diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentService.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentService.kt
index 08132180e..894b6379a 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentService.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentService.kt
@@ -38,8 +38,6 @@ interface GetStudentService {
 
     fun getStudentsBySchoolId(schoolId: UUID): List<Student>
 
-    fun getAllStudentWithMinusPoint(): List<Pair<UUID, Int>>
-
     fun getAllStudentsByIdsIn(studentIds: List<UUID>): List<Student>
 
     fun getGcnUpdatedStudent(
@@ -53,7 +51,7 @@ interface GetStudentService {
         studentVOs: List<ExcelStudentVO>,
     ): List<Student>
 
-    fun getAllStudentsByName(name: String?): List<AllStudentsVO>
+    fun getAllStudentsByName(name: String?, schoolId: UUID): List<AllStudentsVO>
 
     fun isApplicant(studentId: UUID): Boolean
 }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentServiceImpl.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentServiceImpl.kt
index 5dcb5b49e..d9e66f4c8 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentServiceImpl.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/service/GetStudentServiceImpl.kt
@@ -20,7 +20,6 @@ import java.util.function.Function
 class GetStudentServiceImpl(
     private val securityPort: SecurityPort,
     private val queryStudentPort: QueryStudentPort,
-    private val queryPointHistoryPort: QueryPointHistoryPort,
     private val queryOutingApplicationPort: QueryOutingApplicationPort,
 ) : GetStudentService {
 
@@ -69,15 +68,6 @@ class GetStudentServiceImpl(
     override fun getStudentsBySchoolId(schoolId: UUID) =
         queryStudentPort.queryStudentsBySchoolId(schoolId)
 
-    override fun getAllStudentWithMinusPoint(): List<Pair<UUID, Int>> =
-        queryStudentPort.queryAllStudentsByName("").map { student ->
-            val minusTotalPoint = queryPointHistoryPort.queryBonusAndMinusTotalPointByStudentGcnAndName(
-                gcn = student.gcn,
-                studentName = student.name
-            ).second
-            Pair(student.id, minusTotalPoint)
-        }
-
     override fun getAllStudentsByIdsIn(studentIds: List<UUID>) =
         queryStudentPort.queryAllStudentsByIdsIn(studentIds)
             .also { students ->
@@ -105,8 +95,8 @@ class GetStudentServiceImpl(
             )
         }
 
-    override fun getAllStudentsByName(name: String?) =
-        queryStudentPort.queryAllStudentsByName(name)
+    override fun getAllStudentsByName(name: String?, schoolId: UUID) =
+        queryStudentPort.queryAllStudentsByName(name, schoolId)
 
     override fun getGcnUpdatedStudent(
         studentMap: Map<Pair<String, String>, Student>,
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/spi/QueryStudentPort.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/spi/QueryStudentPort.kt
index 1683aff89..07c6afd3f 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/spi/QueryStudentPort.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/spi/QueryStudentPort.kt
@@ -40,5 +40,5 @@ interface QueryStudentPort {
 
     fun queryAllStudentsByIdsIn(studentIds: List<UUID>): List<Student>
 
-    fun queryAllStudentsByName(name: String?): List<AllStudentsVO>
+    fun queryAllStudentsByName(name: String?, schoolId: UUID): List<AllStudentsVO>
 }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/usecase/StudentGetAllStudentsUseCase.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/usecase/StudentGetAllStudentsUseCase.kt
index dc8859def..ae0b31ae3 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/student/usecase/StudentGetAllStudentsUseCase.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/student/usecase/StudentGetAllStudentsUseCase.kt
@@ -3,14 +3,17 @@ package team.aliens.dms.domain.student.usecase
 import team.aliens.dms.common.annotation.ReadOnlyUseCase
 import team.aliens.dms.domain.student.dto.StudentsResponse
 import team.aliens.dms.domain.student.service.StudentService
+import team.aliens.dms.domain.user.service.UserService
 
 @ReadOnlyUseCase
 class StudentGetAllStudentsUseCase(
-    private val studentService: StudentService
+    private val studentService: StudentService,
+    private val userService: UserService
 ) {
 
     fun execute(name: String?): StudentsResponse {
-        val students = studentService.getAllStudentsByName(name)
+        val user = userService.getCurrentUser()
+        val students = studentService.getAllStudentsByName(name, user.schoolId)
 
         return StudentsResponse.of(students)
     }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagService.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagService.kt
index b39a77554..8fd7463a5 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagService.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagService.kt
@@ -14,7 +14,5 @@ interface CommandTagService {
 
     fun saveTag(tag: Tag): Tag
 
-    fun saveStudentTag(studentTag: StudentTag): StudentTag
-
     fun saveAllStudentTags(studentTags: List<StudentTag>)
 }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagServiceImpl.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagServiceImpl.kt
index 96b0c49d7..e0d8be719 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagServiceImpl.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/CommandTagServiceImpl.kt
@@ -30,9 +30,6 @@ class CommandTagServiceImpl(
         return commandTagPort.saveTag(tag)
     }
 
-    override fun saveStudentTag(studentTag: StudentTag): StudentTag =
-        commandStudentTagPort.saveStudentTag(studentTag)
-
     override fun saveAllStudentTags(studentTags: List<StudentTag>) {
         commandStudentTagPort.saveAllStudentTags(studentTags)
     }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagService.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagService.kt
index 45419ab76..04ec3c138 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagService.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagService.kt
@@ -1,22 +1,15 @@
 package team.aliens.dms.domain.tag.service
 
-import team.aliens.dms.domain.tag.model.StudentTag
 import team.aliens.dms.domain.tag.model.Tag
 import team.aliens.dms.domain.tag.spi.vo.StudentTagDetailVO
 import java.util.UUID
 
 interface GetTagService {
 
-    fun getStudentTagsByTagNameIn(names: List<String>): List<StudentTag>
-
-    fun getStudentTagsByStudentId(studentId: UUID): List<StudentTag>
-
     fun getAllStudentTagDetails(): List<StudentTagDetailVO>
 
     fun getTagsByTagNameIn(names: List<String>): List<Tag>
 
-    fun getTagByName(name: String): Tag
-
     fun getTagById(tagId: UUID): Tag
 
     fun getTagsBySchoolId(schoolId: UUID): List<Tag>
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagServiceImpl.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagServiceImpl.kt
index d6fd5ba5f..e35ef24ee 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagServiceImpl.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/service/GetTagServiceImpl.kt
@@ -2,7 +2,6 @@ package team.aliens.dms.domain.tag.service
 
 import team.aliens.dms.common.annotation.Service
 import team.aliens.dms.domain.tag.exception.TagNotFoundException
-import team.aliens.dms.domain.tag.model.StudentTag
 import team.aliens.dms.domain.tag.model.Tag
 import team.aliens.dms.domain.tag.spi.QueryStudentTagPort
 import team.aliens.dms.domain.tag.spi.QueryTagPort
@@ -15,21 +14,12 @@ class GetTagServiceImpl(
     private val queryStudentTagPort: QueryStudentTagPort
 ) : GetTagService {
 
-    override fun getStudentTagsByTagNameIn(names: List<String>): List<StudentTag> =
-        queryStudentTagPort.queryStudentTagsByTagNameIn(names)
-
-    override fun getStudentTagsByStudentId(studentId: UUID): List<StudentTag> =
-        queryStudentTagPort.queryStudentTagsByStudentId(studentId)
-
     override fun getAllStudentTagDetails(): List<StudentTagDetailVO> =
         queryStudentTagPort.queryAllStudentTagDetails()
 
     override fun getTagsByTagNameIn(names: List<String>): List<Tag> =
         queryTagPort.queryTagsByTagNameIn(names)
 
-    override fun getTagByName(name: String) =
-        queryTagPort.queryTagByName(name) ?: throw TagNotFoundException
-
     override fun getTagById(tagId: UUID) =
         queryTagPort.queryTagById(tagId) ?: throw TagNotFoundException
 
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/CommandStudentTagPort.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/CommandStudentTagPort.kt
index 1233c4344..1df8d3623 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/CommandStudentTagPort.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/CommandStudentTagPort.kt
@@ -11,7 +11,5 @@ interface CommandStudentTagPort {
 
     fun deleteStudentTagByTagId(tagId: UUID)
 
-    fun saveStudentTag(studentTag: StudentTag): StudentTag
-
     fun saveAllStudentTags(studentTags: List<StudentTag>)
 }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryStudentTagPort.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryStudentTagPort.kt
index 1c5807a99..7d0b4763b 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryStudentTagPort.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryStudentTagPort.kt
@@ -1,14 +1,8 @@
 package team.aliens.dms.domain.tag.spi
 
-import team.aliens.dms.domain.tag.model.StudentTag
 import team.aliens.dms.domain.tag.spi.vo.StudentTagDetailVO
-import java.util.UUID
 
 interface QueryStudentTagPort {
 
-    fun queryStudentTagsByTagNameIn(names: List<String>): List<StudentTag>
-
-    fun queryStudentTagsByStudentId(studentId: UUID): List<StudentTag>
-
     fun queryAllStudentTagDetails(): List<StudentTagDetailVO>
 }
diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryTagPort.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryTagPort.kt
index 4e27f62b0..8d5d9ca68 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryTagPort.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/tag/spi/QueryTagPort.kt
@@ -11,8 +11,6 @@ interface QueryTagPort {
 
     fun queryTagById(tagId: UUID): Tag?
 
-    fun queryTagByName(name: String): Tag?
-
     fun existsByNameAndSchoolId(name: String, schoolId: UUID): Boolean
 
     fun queryTagsByStudentId(studentId: UUID): List<Tag>
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt
index ba0c2a21e..f8497c2cc 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt
@@ -361,7 +361,7 @@ class StudentPersistenceAdapter(
                 studentMapper.toDomain(it)!!
             }
 
-    override fun queryAllStudentsByName(name: String?): List<AllStudentsVO> {
+    override fun queryAllStudentsByName(name: String?, schoolId: UUID): List<AllStudentsVO> {
         return queryFactory
             .select(
                 QQueryAllStudentsVO(
@@ -374,7 +374,10 @@ class StudentPersistenceAdapter(
                 )
             )
             .from(studentJpaEntity)
-            .where(name?.let { studentJpaEntity.name.contains(it) })
+            .where(
+                studentJpaEntity.user.school.id.eq(schoolId)
+                    .and(name?.let { studentJpaEntity.name.contains(it) })
+            )
             .fetch()
     }
 }
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/StudentTagPersistenceAdapter.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/StudentTagPersistenceAdapter.kt
index 408565db9..08896f0bc 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/StudentTagPersistenceAdapter.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/StudentTagPersistenceAdapter.kt
@@ -1,6 +1,5 @@
 package team.aliens.dms.persistence.tag
 
-import com.querydsl.jpa.JPAExpressions.selectFrom
 import com.querydsl.jpa.impl.JPAQueryFactory
 import org.springframework.stereotype.Component
 import team.aliens.dms.domain.tag.model.StudentTag
@@ -22,11 +21,6 @@ class StudentTagPersistenceAdapter(
     private val queryFactory: JPAQueryFactory
 ) : StudentTagPort {
 
-    override fun queryStudentTagsByStudentId(studentId: UUID): List<StudentTag> {
-        return studentTagRepository.findAllByStudentId(studentId)
-            .map { studentTagMapper.toDomain(it)!! }
-    }
-
     override fun queryAllStudentTagDetails(): List<StudentTagDetailVO> {
         return queryFactory.select(
             QQueryStudentTagDetailVO(
@@ -42,16 +36,6 @@ class StudentTagPersistenceAdapter(
             .fetch()
     }
 
-    override fun queryStudentTagsByTagNameIn(names: List<String>): List<StudentTag> {
-        return queryFactory.selectFrom(studentTagJpaEntity)
-            .join(tagJpaEntity).on(tagJpaEntity.id.eq(studentTagJpaEntity.tag.id))
-            .where(tagJpaEntity.name.`in`(names))
-            .fetch()
-            .map {
-                studentTagMapper.toDomain(it)!!
-            }
-    }
-
     override fun deleteAllStudentTagsByStudentIdIn(studentIds: List<UUID>) {
         queryFactory.delete(studentTagJpaEntity)
             .where(studentTagJpaEntity.student.id.`in`(studentIds))
@@ -71,12 +55,6 @@ class StudentTagPersistenceAdapter(
         studentTagRepository.deleteByTagId(tagId)
     }
 
-    override fun saveStudentTag(studentTag: StudentTag) = studentTagMapper.toDomain(
-        studentTagRepository.save(
-            studentTagMapper.toEntity(studentTag)
-        )
-    )!!
-
     override fun saveAllStudentTags(studentTags: List<StudentTag>) {
         studentTagRepository.saveAll(
             studentTags.map {
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/TagPersistenceAdapter.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/TagPersistenceAdapter.kt
index 1bd929d6f..d29415135 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/TagPersistenceAdapter.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/tag/TagPersistenceAdapter.kt
@@ -41,12 +41,6 @@ class TagPersistenceAdapter(
         )
     }
 
-    override fun queryTagByName(name: String): Tag? {
-        return tagMapper.toDomain(
-            tagRepository.findByName(name)
-        )
-    }
-
     override fun deleteTagById(tagId: UUID) {
         tagRepository.deleteById(tagId)
     }