diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/StudentMapper.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/StudentMapper.kt
index 65ce472..de4fd39 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/StudentMapper.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/StudentMapper.kt
@@ -16,8 +16,8 @@ interface StudentMapper {
 
     @Mappings(
         value = [
-            Mapping(source = "user.profileImg", target = "profileImg"),
-            Mapping(source = "user.nickname", target = "nickname"),
+            Mapping(source = "user.image.value", target = "profileImg"),
+            Mapping(source = "user.nickname.value", target = "nickname"),
             Mapping(source = "grade.value", target = "grade"),
             Mapping(source = "classroom.value", target = "classroom"),
             Mapping(source = "number.value", target = "number"),
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/domain/Student.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/domain/Student.kt
index 310f9df..9608612 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/domain/Student.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/student/domain/Student.kt
@@ -9,10 +9,10 @@ import javax.persistence.*
 @Entity
 @Table(name = "tbl_student")
 class Student(
-    @Embedded val grade: Grade,
-    @Embedded val classroom: Classroom,
-    @Embedded val number: Number,
-    @Embedded val age: Age,
+    @Embedded private val grade: Grade,
+    @Embedded private val classroom: Classroom,
+    @Embedded private val number: Number,
+    @Embedded private val age: Age,
 ) : BaseTimeEntity() {
 
     @Enumerated(EnumType.STRING)
@@ -62,4 +62,6 @@ fun Student.waiting() {
 
 fun Student.engaged() {
     status = Status.ENGAGED
-}
\ No newline at end of file
+}
+
+fun Student.isAttendSchool() = school != null
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherCommand.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherCommand.kt
index 047cf17..156623d 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherCommand.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherCommand.kt
@@ -8,4 +8,11 @@ class TeacherCommand {
         val nickname: String,
         val bio: String,
     )
+
+    data class Update(
+        val image: String,
+        val name: String,
+        val nickname: String,
+        val bio: String,
+    )
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherEntityMapper.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherEntityMapper.kt
deleted file mode 100644
index d719f43..0000000
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherEntityMapper.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.sexysisters.tojserverv2.domain.teacher
-
-import com.sexysisters.tojserverv2.domain.teacher.domain.*
-import org.springframework.stereotype.Component
-
-@Component
-class TeacherEntityMapper {
-    fun of(command: TeacherCommand.Create) = Teacher(
-        Image.of(command.image),
-        Name.of(command.name),
-        Nickname.of(command.nickname),
-        Bio.of(command.bio),
-    )
-}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherReader.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherReader.kt
new file mode 100644
index 0000000..1476901
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherReader.kt
@@ -0,0 +1,10 @@
+package com.sexysisters.tojserverv2.domain.teacher
+
+import com.sexysisters.tojserverv2.domain.school.domain.School
+import com.sexysisters.tojserverv2.domain.teacher.domain.Teacher
+
+interface TeacherReader {
+    fun search(schoolCode: String): List<Teacher>
+    fun getTeacher(id: Long): Teacher
+    fun getTeacher(id: Long, school: School): Teacher
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherResponseMapper.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherResponseMapper.kt
new file mode 100644
index 0000000..8b17178
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherResponseMapper.kt
@@ -0,0 +1,10 @@
+package com.sexysisters.tojserverv2.domain.teacher
+
+import org.mapstruct.*
+
+@Mapper(
+    componentModel = "spring",
+    injectionStrategy = InjectionStrategy.CONSTRUCTOR,
+    unmappedTargetPolicy = ReportingPolicy.ERROR,
+)
+interface TeacherResponseMapper
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherStore.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherStore.kt
index 6b75b9e..09a8ff1 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherStore.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/TeacherStore.kt
@@ -4,4 +4,5 @@ import com.sexysisters.tojserverv2.domain.teacher.domain.Teacher
 
 interface TeacherStore {
     fun store(teacher: Teacher): Teacher
+    fun delete(teacher: Teacher)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Bio.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Bio.kt
index 5202356..93ca016 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Bio.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Bio.kt
@@ -6,21 +6,14 @@ import javax.persistence.Embeddable
 import javax.validation.constraints.NotNull
 
 @Embeddable
-class Bio private constructor(
+class Bio(
     @field:NotNull
     @Column(name = "bio")
     val value: String
 ) {
-    companion object {
-        private val REGEX = Regex("^{1,500}$")
-
-        fun of(value: String): Bio {
-            validate(value)
-            return Bio(value)
-        }
-
-        private fun validate(value: String) {
-            if (REGEX.matches(value)) throw TeacherException.TeacherNotValid()
-        }
+    init {
+        val MIN_LENGTH = 1
+        val MAX_LENGTH = 500
+        if (value.length !in MIN_LENGTH..MAX_LENGTH) throw TeacherException.TeacherNotValid()
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Image.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Image.kt
index 72f2f52..89c09a5 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Image.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Image.kt
@@ -7,20 +7,13 @@ import javax.persistence.Embeddable
 import javax.validation.constraints.NotNull
 
 @Embeddable
-class Image private constructor (
+class Image(
     @URL
     @field:NotNull
     @Column(name = "image")
     val value: String
 ) {
-    companion object {
-        fun of(value: String): Image {
-            validate(value)
-            return Image(value)
-        }
-
-        private fun validate(value: String) {
-            if (value.isBlank()) throw TeacherException.TeacherNotValid()
-        }
+    init {
+        if (value.isBlank()) throw TeacherException.TeacherNotValid()
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Name.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Name.kt
index 466a37e..1f183b2 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Name.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Name.kt
@@ -6,21 +6,14 @@ import javax.persistence.Embeddable
 import javax.validation.constraints.NotNull
 
 @Embeddable
-class Name private constructor (
+class Name(
     @field:NotNull
     @Column(name = "name", unique = true)
     val value: String
 ) {
-    companion object {
-        private val REGEX = Regex("^{1,100}$")
-
-        fun of(value: String): Name {
-            validate(value)
-            return Name(value)
-        }
-
-        private fun validate(value: String) {
-            if (REGEX.matches(value)) throw TeacherException.TeacherNotValid()
-        }
+    init {
+        val MIN_LENGTH = 1
+        val MAX_LENGTH = 50
+        if (value.length !in MIN_LENGTH..MAX_LENGTH) throw TeacherException.TeacherNotValid()
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Nickname.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Nickname.kt
index 01001b3..175030c 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Nickname.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Nickname.kt
@@ -6,21 +6,14 @@ import javax.persistence.Embeddable
 import javax.validation.constraints.NotNull
 
 @Embeddable
-class Nickname private constructor(
+class Nickname(
     @field:NotNull
     @Column(name = "nickname")
     val value: String
 ) {
-    companion object {
-        private val REGEX = Regex("^{1,100}$")
-
-        fun of(value: String): Nickname {
-            validate(value)
-            return Nickname(value)
-        }
-
-        private fun validate(value: String) {
-            if (REGEX.matches(value)) throw TeacherException.TeacherNotValid()
-        }
+    init {
+        val MIN_LENGTH = 1
+        val MAX_LENGTH = 50
+        if (value.length !in MIN_LENGTH..MAX_LENGTH) throw TeacherException.TeacherNotValid()
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Teacher.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Teacher.kt
index 3d87f52..9e0719f 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Teacher.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/domain/Teacher.kt
@@ -8,13 +8,13 @@ import javax.persistence.*
 @Table(name = "tbl_teacher")
 class Teacher(
     @Embedded
-    val image: Image,
+    var image: Image,
     @Embedded
-    val name: Name,
+    var name: Name,
     @Embedded
-    val nickname: Nickname,
+    var nickname: Nickname,
     @Embedded
-    val bio: Bio,
+    var bio: Bio,
 ) : BaseTimeEntity() {
 
     @ManyToOne(fetch = FetchType.LAZY)
@@ -23,4 +23,11 @@ class Teacher(
 
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
     val id: Long = 0L
+
+    fun update(image: String, name: String, nickname: String, bio: String) {
+        this.image = Image(image)
+        this.name = Name(name)
+        this.nickname = Nickname(nickname)
+        this.bio = Bio(bio)
+    }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherErrorCode.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherErrorCode.kt
index f9a0d77..4b3781d 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherErrorCode.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherErrorCode.kt
@@ -8,4 +8,5 @@ enum class TeacherErrorCode(
     TEACHER_NOT_VALID("Teacher domain is not valid"),
     DUPLICATE_NAME("Teacher name is duplicate"),
     DUPLICATE_NICKNAME("Teacher nickname is duplicate"),
+    TEACHER_NOT_FOUND("Teacher not found"),
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherException.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherException.kt
index 2384342..34221bd 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherException.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/exception/TeacherException.kt
@@ -6,4 +6,5 @@ class TeacherException {
     class TeacherNotValid : BaseException(TeacherErrorCode.TEACHER_NOT_VALID)
     class DuplicateTeacherName : BaseException(TeacherErrorCode.DUPLICATE_NAME)
     class DuplicateTeacherNickname : BaseException(TeacherErrorCode.DUPLICATE_NICKNAME)
+    class TeacherNotFound : BaseException(TeacherErrorCode.TEACHER_NOT_FOUND)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherService.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherService.kt
index fdcf278..91aab04 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherService.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherService.kt
@@ -1,7 +1,12 @@
 package com.sexysisters.tojserverv2.domain.teacher.service
 
 import com.sexysisters.tojserverv2.domain.teacher.TeacherCommand
+import com.sexysisters.tojserverv2.interfaces.teacher.dto.TeacherResponse
 
 interface TeacherService {
-    fun createTeacher(command: TeacherCommand.Create)
+    fun create(command: TeacherCommand.Create)
+    fun getTeachers(schoolCode: String): List<TeacherResponse.Main>
+    fun getTeacher(id: Long): TeacherResponse.Main
+    fun update(id: Long, request: TeacherCommand.Update)
+    fun delete(id: Long)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherServiceImpl.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherServiceImpl.kt
index d30d9d8..9a5f491 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherServiceImpl.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/teacher/service/TeacherServiceImpl.kt
@@ -1,24 +1,69 @@
 package com.sexysisters.tojserverv2.domain.teacher.service
 
+import com.sexysisters.tojserverv2.domain.school.exception.SchoolException
+import com.sexysisters.tojserverv2.domain.student.domain.Student
+import com.sexysisters.tojserverv2.domain.student.domain.isAttendSchool
 import com.sexysisters.tojserverv2.domain.student.exception.StudentException
 import com.sexysisters.tojserverv2.domain.teacher.*
+import com.sexysisters.tojserverv2.domain.teacher.domain.*
 import com.sexysisters.tojserverv2.domain.user.UserReader
 import com.sexysisters.tojserverv2.domain.user.hasStudent
+import com.sexysisters.tojserverv2.interfaces.teacher.dto.TeacherDtoMapper
+import com.sexysisters.tojserverv2.interfaces.teacher.dto.TeacherResponse
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 
 @Service
+@Transactional
 class TeacherServiceImpl(
     private val userReader: UserReader,
     private val teacherStore: TeacherStore,
-    private val teacherEntityMapper: TeacherEntityMapper,
+    private val teacherReader: TeacherReader,
+    private val teacherDtoMapper: TeacherDtoMapper,
 ) : TeacherService {
 
-    @Transactional
-    override fun createTeacher(command: TeacherCommand.Create) {
+    override fun create(command: TeacherCommand.Create) {
+        checkStudentIdentity()
+        val teacher = createTeacherEntity(command)
+        teacherStore.store(teacher)
+    }
+
+    @Transactional(readOnly = true)
+    override fun getTeachers(schoolCode: String): List<TeacherResponse.Main> {
+        val teachers = teacherReader.search(schoolCode)
+        return teachers.map { teacherDtoMapper.of(it) }
+    }
+
+    @Transactional(readOnly = true)
+    override fun getTeacher(id: Long): TeacherResponse.Main {
+        val teacher = teacherReader.getTeacher(id)
+        return teacherDtoMapper.of(teacher)
+    }
+
+    override fun update(id: Long, request: TeacherCommand.Update) {
+        val student = checkStudentIdentity()
+        if (!student.isAttendSchool()) throw SchoolException.SchoolNotFound()
+        val teacher = teacherReader.getTeacher(id, student.school!!)
+        teacher.update(request.image, request.name, request.nickname, request.bio)
+    }
+
+    override fun delete(id: Long) {
+        val student = checkStudentIdentity()
+        if (!student.isAttendSchool()) throw SchoolException.SchoolNotFound()
+        val teacher = teacherReader.getTeacher(id, student.school!!)
+        teacherStore.delete(teacher)
+    }
+
+    private fun createTeacherEntity(command: TeacherCommand.Create) = Teacher(
+        Image(command.image),
+        Name(command.name),
+        Nickname(command.nickname),
+        Bio(command.bio),
+    )
+
+    private fun checkStudentIdentity(): Student {
         val user = userReader.getCurrentUser()
         if (!user.hasStudent()) throw StudentException.StudentNotFound()
-        val teacher = teacherEntityMapper.of(command)
-        teacherStore.store(teacher)
+        return user.student!!
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Email.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Email.kt
new file mode 100644
index 0000000..b422942
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Email.kt
@@ -0,0 +1,19 @@
+package com.sexysisters.tojserverv2.domain.user
+
+import com.sexysisters.tojserverv2.domain.user.exception.UserException
+import javax.persistence.Column
+import javax.persistence.Embeddable
+import javax.validation.constraints.NotNull
+
+@Embeddable
+class Email(
+    @field:NotNull
+    @Column(name = "email")
+    private val value: String,
+) {
+    init {
+        val EMAIL_FORMAT = "@"
+        if (value.isBlank()) throw UserException.UserNotValid()
+        if (!value.contains(EMAIL_FORMAT)) throw UserException.UserNotValid()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Image.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Image.kt
new file mode 100644
index 0000000..8ebdb5a
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Image.kt
@@ -0,0 +1,17 @@
+package com.sexysisters.tojserverv2.domain.user
+
+import com.sexysisters.tojserverv2.domain.user.exception.UserException
+import javax.persistence.Column
+import javax.persistence.Embeddable
+import javax.validation.constraints.NotNull
+
+@Embeddable
+class Image(
+    @field:NotNull
+    @Column(name = "image")
+    private val value: String,
+) {
+    init {
+        if (value.isBlank()) throw UserException.UserNotValid()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Name.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Name.kt
new file mode 100644
index 0000000..3795108
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Name.kt
@@ -0,0 +1,19 @@
+package com.sexysisters.tojserverv2.domain.user
+
+import com.sexysisters.tojserverv2.domain.user.exception.UserException
+import javax.persistence.Column
+import javax.persistence.Embeddable
+import javax.validation.constraints.NotNull
+
+@Embeddable
+class Name(
+    @field:NotNull
+    @Column(name = "name")
+    private val value: String,
+) {
+    init {
+        val MAX_LENGTH = 20
+        if (value.isBlank()) throw UserException.UserNotValid()
+        if (value.length > MAX_LENGTH) throw UserException.UserNotValid()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Password.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Password.kt
new file mode 100644
index 0000000..7278913
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/Password.kt
@@ -0,0 +1,19 @@
+package com.sexysisters.tojserverv2.domain.user
+
+import com.sexysisters.tojserverv2.domain.user.exception.UserException
+import javax.persistence.Column
+import javax.persistence.Embeddable
+import javax.validation.constraints.NotNull
+
+@Embeddable
+class Password(
+    @field:NotNull
+    @Column(name = "password")
+    private val value: String
+) {
+    init {
+        val MAX_LENGTH = 20
+        if (value.isBlank()) throw UserException.UserNotValid()
+        if (value.length > MAX_LENGTH) throw UserException.UserNotValid()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/User.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/User.kt
index 2ea9c49..e325dce 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/User.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/User.kt
@@ -2,49 +2,42 @@ package com.sexysisters.tojserverv2.domain.user
 
 import com.sexysisters.tojserverv2.domain.BaseTimeEntity
 import com.sexysisters.tojserverv2.domain.student.domain.Student
-import com.sexysisters.tojserverv2.domain.user.exception.UserException
 import com.sexysisters.tojserverv2.domain.user.type.Authority
+import com.sexysisters.tojserverv2.domain.user.type.Nickname
 import javax.persistence.*
 
 @Entity
 @Table(name = "tbl_user")
 class User(
-    val email: String,
-    var password: String,
-    var nickname: String,
-    var profileImg: String,
-    var name: String,
+    @Embedded val email: Email,
+    @Embedded var password: Password,
+    @Embedded var nickname: Nickname,
+    @Embedded var image: Image,
+    @Embedded var name: Name,
 ) : BaseTimeEntity() {
 
     @Enumerated(EnumType.STRING)
     var authority: Authority = Authority.USER
 
-    @OneToOne(mappedBy = "user")
+    @OneToOne(mappedBy = "user", fetch = FetchType.LAZY)
     var student: Student? = null
 
-    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     val id: Long = 0L
-
-    init {
-        if (email.isBlank()) throw UserException.UserNotValid()
-        if (password.isBlank()) throw UserException.UserNotValid()
-        if (nickname.isBlank()) throw UserException.UserNotValid()
-        if (profileImg.isBlank()) throw UserException.UserNotValid()
-        if (name.isBlank()) throw UserException.UserNotValid()
-    }
 }
 
 fun User.updateInfo(
     nickname: String,
     name: String,
 ): User {
-    this.nickname = nickname
-    this.name = name
+    this.nickname = Nickname(nickname)
+    this.name = Name(name)
     return this
 }
 
-fun User.updateProfileImg(profileImg: String) {
-    this.profileImg = profileImg
+fun User.updateProfileImg(image: String) {
+    this.image = Image(image)
 }
 
 fun User.hasStudent() = student != null
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/UserCommand.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/UserCommand.kt
index be29373..3a9199a 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/UserCommand.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/UserCommand.kt
@@ -1,10 +1,10 @@
 package com.sexysisters.tojserverv2.domain.user
 
 import com.sexysisters.tojserverv2.config.properties.S3Properties
+import com.sexysisters.tojserverv2.domain.user.type.Nickname
 import org.springframework.security.crypto.password.PasswordEncoder
 
 class UserCommand {
-
     class CreateRequest(
         val email: String,
         var password: String,
@@ -21,12 +21,14 @@ class UserCommand {
     )
 }
 
+private val DEFAULT_NAME = "이름"
+
 fun UserCommand.CreateRequest.toEntity() = User(
-    email = email,
-    password = password,
-    nickname = nickname,
-    profileImg = S3Properties.defaultProfileImg,
-    name = "이름",
+    email = Email(email),
+    password = Password(password),
+    nickname = Nickname(nickname),
+    image = Image(S3Properties.defaultProfileImg),
+    name = Name(DEFAULT_NAME),
 )
 
 fun UserCommand.CreateRequest.setEncodedPassword(encoder: PasswordEncoder) {
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/type/Nickname.kt b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/type/Nickname.kt
new file mode 100644
index 0000000..b22e1c2
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/domain/user/type/Nickname.kt
@@ -0,0 +1,19 @@
+package com.sexysisters.tojserverv2.domain.user.type
+
+import com.sexysisters.tojserverv2.domain.user.exception.UserException
+import javax.persistence.Column
+import javax.persistence.Embeddable
+import javax.validation.constraints.NotNull
+
+@Embeddable
+class Nickname(
+    @field:NotNull
+    @Column(name = "nickname", unique = true)
+    private val value: String,
+) {
+    init {
+        val MAX_LENGTH = 21
+        if (value.isBlank()) throw UserException.UserNotValid()
+        if (value.length > MAX_LENGTH) throw UserException.UserNotValid()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherCustomRepository.kt b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherCustomRepository.kt
new file mode 100644
index 0000000..8ff0798
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherCustomRepository.kt
@@ -0,0 +1,8 @@
+package com.sexysisters.tojserverv2.infrastructure.teacher
+
+import com.sexysisters.tojserverv2.domain.teacher.domain.Teacher
+
+interface TeacherCustomRepository {
+    fun getTeachersBySchoolCode(schoolCode: String): List<Teacher>
+    fun findByIdAndSchoolCode(id: Long, schoolCode: String): Teacher?
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherCustomRepositoryImpl.kt b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherCustomRepositoryImpl.kt
new file mode 100644
index 0000000..1ad5296
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherCustomRepositoryImpl.kt
@@ -0,0 +1,30 @@
+package com.sexysisters.tojserverv2.infrastructure.teacher
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import com.sexysisters.tojserverv2.domain.teacher.domain.Teacher
+import com.sexysisters.tojserverv2.domain.teacher.domain.QTeacher.teacher
+import org.springframework.stereotype.Component
+
+@Component
+class TeacherCustomRepositoryImpl(
+    private val query: JPAQueryFactory
+) : TeacherCustomRepository {
+    override fun getTeachersBySchoolCode(schoolCode: String): List<Teacher> {
+        return query
+            .selectFrom(teacher)
+            .where(
+                teacher.school.code.value.eq(schoolCode),
+            )
+            .fetch()
+    }
+
+    override fun findByIdAndSchoolCode(id: Long, schoolCode: String): Teacher? {
+        return query
+            .selectFrom(teacher)
+            .where(
+                teacher.id.eq(id),
+                teacher.school.code.value.eq(schoolCode)
+            )
+            .fetchOne()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherReaderImpl.kt b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherReaderImpl.kt
new file mode 100644
index 0000000..f7dc65c
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherReaderImpl.kt
@@ -0,0 +1,21 @@
+package com.sexysisters.tojserverv2.infrastructure.teacher
+
+import com.sexysisters.tojserverv2.domain.school.domain.School
+import com.sexysisters.tojserverv2.domain.teacher.TeacherReader
+import com.sexysisters.tojserverv2.domain.teacher.exception.TeacherException
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Component
+
+@Component
+class TeacherReaderImpl(
+    private val teacherCustomRepository: TeacherCustomRepository,
+    private val teacherRepository: TeacherRepository,
+) : TeacherReader {
+    override fun search(schoolCode: String) = teacherCustomRepository.getTeachersBySchoolCode(schoolCode)
+
+    override fun getTeacher(id: Long) = teacherRepository.findByIdOrNull(id)
+        ?: throw TeacherException.TeacherNotFound()
+
+    override fun getTeacher(id: Long, school: School) = teacherCustomRepository.findByIdAndSchoolCode(id, school.codeValue())
+        ?: throw TeacherException.TeacherNotFound()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherStoreImpl.kt b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherStoreImpl.kt
index e92e406..6506ec9 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherStoreImpl.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/infrastructure/teacher/TeacherStoreImpl.kt
@@ -14,6 +14,8 @@ class TeacherStoreImpl(
         return teacherRepository.save(teacher)
     }
 
+    override fun delete(teacher: Teacher) = teacherRepository.delete(teacher)
+
     private fun validate(teacher: Teacher) {
         checkDuplicateName(teacher)
         checkDuplicateNickname(teacher)
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/TeacherApiController.kt b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/TeacherApiController.kt
index 92faff1..1aa35a6 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/TeacherApiController.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/TeacherApiController.kt
@@ -1,14 +1,21 @@
 package com.sexysisters.tojserverv2.interfaces.teacher
 
+import com.sexysisters.tojserverv2.common.response.CommonResponse
 import com.sexysisters.tojserverv2.domain.teacher.service.TeacherService
 import com.sexysisters.tojserverv2.interfaces.teacher.dto.TeacherDtoMapper
 import com.sexysisters.tojserverv2.interfaces.teacher.dto.TeacherRequest
+import com.sexysisters.tojserverv2.interfaces.teacher.dto.TeacherResponse
 import io.swagger.annotations.Api
 import io.swagger.annotations.ApiOperation
 import org.springframework.http.HttpStatus
+import org.springframework.web.bind.annotation.DeleteMapping
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.PutMapping
 import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestController
 import javax.validation.Valid
@@ -24,10 +31,38 @@ class TeacherApiController(
     @ApiOperation(value = "선생님 생성")
     @ResponseStatus(HttpStatus.CREATED)
     @PostMapping
-    fun createTeacher(
-        @RequestBody @Valid request: TeacherRequest.Create
+    fun create(@RequestBody @Valid request: TeacherRequest.Create) {
+        val teacherCommand = teacherDtoMapper.of(request)
+        teacherService.create(teacherCommand)
+    }
+
+    @ApiOperation(value = "학교 코드로 선생님 목록 조회")
+    @GetMapping
+    fun getAll(@RequestParam("code") schoolCode: String): CommonResponse<List<TeacherResponse.Main>> {
+        val response = teacherService.getTeachers(schoolCode)
+        return CommonResponse.success(response)
+    }
+
+    @ApiOperation(value = "선생님 단건 조회")
+    @GetMapping("/{id}")
+    fun getDetail(@PathVariable("id") id: Long): CommonResponse<TeacherResponse.Main> {
+        val response = teacherService.getTeacher(id)
+        return CommonResponse.success(response)
+    }
+
+    @ApiOperation(value = "학교의 학생만 학교의 선생님 수정")
+    @PutMapping("/{id}")
+    fun update(
+        @PathVariable("id") id: Long,
+        @RequestBody request: TeacherRequest.Update
     ) {
         val teacherCommand = teacherDtoMapper.of(request)
-        teacherService.createTeacher(teacherCommand)
+        teacherService.update(id, teacherCommand)
+    }
+
+    @ApiOperation(value = "학교의 학생만 학교의 선생님 삭제")
+    @DeleteMapping("/{id}")
+    fun delete(@PathVariable("id") id: Long) {
+        teacherService.delete(id)
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherDtoMapper.kt b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherDtoMapper.kt
index 5ff8a08..f6e7c36 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherDtoMapper.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherDtoMapper.kt
@@ -1,9 +1,8 @@
 package com.sexysisters.tojserverv2.interfaces.teacher.dto
 
 import com.sexysisters.tojserverv2.domain.teacher.TeacherCommand
-import org.mapstruct.InjectionStrategy
-import org.mapstruct.Mapper
-import org.mapstruct.ReportingPolicy
+import com.sexysisters.tojserverv2.domain.teacher.domain.Teacher
+import org.mapstruct.*
 
 @Mapper(
     componentModel = "spring",
@@ -13,4 +12,15 @@ import org.mapstruct.ReportingPolicy
 interface TeacherDtoMapper {
 
     fun of(request: TeacherRequest.Create): TeacherCommand.Create
+    fun of(request: TeacherRequest.Update): TeacherCommand.Update
+
+    @Mappings(
+        value = [
+            Mapping(source = "image.value", target = "image"),
+            Mapping(source = "name.value", target = "name"),
+            Mapping(source = "nickname.value", target = "nickname"),
+            Mapping(source = "bio.value", target = "bio"),
+        ]
+    )
+    fun of(teacher: Teacher): TeacherResponse.Main
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherRequest.kt b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherRequest.kt
index 4fcb10f..a1200c5 100644
--- a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherRequest.kt
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherRequest.kt
@@ -8,4 +8,11 @@ class TeacherRequest {
         val nickname: String,
         val bio: String
     )
+
+    data class Update(
+        val image: String,
+        val name: String,
+        val nickname: String,
+        val bio: String
+    )
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherResponse.kt b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherResponse.kt
new file mode 100644
index 0000000..1c512af
--- /dev/null
+++ b/src/main/kotlin/com/sexysisters/tojserverv2/interfaces/teacher/dto/TeacherResponse.kt
@@ -0,0 +1,10 @@
+package com.sexysisters.tojserverv2.interfaces.teacher.dto
+
+class TeacherResponse {
+    data class Main(
+        val image: String,
+        val name: String,
+        val nickname: String,
+        val bio: String,
+    )
+}
\ No newline at end of file