diff --git a/src/main/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreController.java b/src/main/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreController.java
index 285a6d6..e3174c3 100644
--- a/src/main/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreController.java
+++ b/src/main/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreController.java
@@ -33,6 +33,7 @@ import java.math.BigDecimal;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -72,6 +73,16 @@ public class TeaScoreController {
         }
     }
 
+    @GetMapping("/accessibleTeachingClasses")
+    @ApiOperation("成绩中心可查看的教学班列表")
+    public ResultEntity<List<SchoolClass>> accessibleTeachingClasses(HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "查询成功", teacherScoreService.listAccessibleClasses(currentUser(request)));
+        } catch (com.sztzjy.linkCommerce.config.exception.handler.ServiceException e) {
+            return new ResultEntity<>(e.getCode(), e.getMessage());
+        }
+    }
+
     @PostMapping("/selectTeachingClassWeight")
     @ApiOperation("查询本人教学班六模块权重")
     public ResultEntity<TeachingClassScoreWeight> selectTeachingClassWeight(@RequestParam String teachingClassId,
@@ -121,13 +132,12 @@ public class TeaScoreController {
                                                                  @RequestParam Integer index, @RequestParam Integer size,
                                                                  HttpServletRequest request) {
         JwtUser teacher = currentUser(request);
-        PageHelper.startPage(index, size);
         StuRankExample stuRankExample = new StuRankExample();
         StuRankExample.Criteria criteria = stuRankExample.createCriteria();
         criteria.andSchoolIdEqualTo(teacher.getSchoolId());
         String nowDate = scoreRankService.getNowDate();
         criteria.andUpdateTimeEqualTo(nowDate);
-        applyOwnedTeacherClassCriteria(criteria, teacher, classId);
+        applyAccessibleTeacherClassCriteria(criteria, teacher, classId);
         if(StringUtil.isNotEmpty(userName)){
             criteria.andUsernameEqualTo(userName);
         }
@@ -135,6 +145,7 @@ public class TeaScoreController {
             criteria.andNameEqualTo(name);
         }
         stuRankExample.setOrderByClause("stu_rank asc");
+        PageHelper.startPage(index, size);
         List<StuRank> stuRankList = stuRankMapper.selectByExample(stuRankExample);
         enrichTrainingProgress(stuRankList, classId);
         PageInfo<StuRank> rankPageInfo = new PageInfo<>(stuRankList);
@@ -144,7 +155,6 @@ public class TeaScoreController {
     // Retained for existing direct controller tests; HTTP requests always use the JWT-scoped overload above.
     public ResultEntity<PageInfo<StuRank>> selectStuRankAndScore(String classId, String userName, String name,
                                                                    String schoolId, Integer index, Integer size) {
-        PageHelper.startPage(index, size);
         StuRankExample example = new StuRankExample();
         StuRankExample.Criteria criteria = example.createCriteria();
         criteria.andSchoolIdEqualTo(schoolId);
@@ -157,6 +167,7 @@ public class TeaScoreController {
             criteria.andNameEqualTo(name);
         }
         example.setOrderByClause("stu_rank asc");
+        PageHelper.startPage(index, size);
         List<StuRank> rows = stuRankMapper.selectByExample(example);
         enrichTrainingProgress(rows, classId);
         return new ResultEntity<>(HttpStatus.OK, "查询学生成绩和排名成功", new PageInfo<>(rows));
@@ -170,7 +181,7 @@ public class TeaScoreController {
                                                              @RequestParam(required = false) String classId,
                                                              HttpServletRequest request) {
         JwtUser teacher = currentUser(request);
-        SchoolClass teachingClass = teacherScoreService.requireOwnedClass(teacher, classId);
+        SchoolClass teachingClass = teacherScoreService.requireAccessibleClass(teacher, classId);
         if (teachingClassStudentMapper.countByStudentUserIdAndTeachingClassId(userId, teachingClass.getSchoolClassId()) == 0) {
             return new ResultEntity<>(HttpStatus.FORBIDDEN, "无权查看该学生成绩");
         }
@@ -299,7 +310,7 @@ public class TeaScoreController {
             criteria.andSchoolIdEqualTo(teacher.getSchoolId());
             String nowDate = scoreRankService.getNowDate();
             criteria.andUpdateTimeEqualTo(nowDate);
-            applyOwnedTeacherClassCriteria(criteria, teacher, classId);
+            applyAccessibleTeacherClassCriteria(criteria, teacher, classId);
             if(StringUtil.isNotEmpty(userName)){
                 criteria.andUsernameEqualTo(userName);
             }
@@ -312,10 +323,10 @@ public class TeaScoreController {
             //导出的表名
             String title = "学生成绩";
             //表中第一行表头字段
-            String[] headers = {"学号", "学生姓名", "班级名称", "排名", "参考成绩", "实训进度"};
+            String[] headers = {"学号", "学生姓名", "班级名称", "排名", "参考成绩", "老师评分", "实训进度"};
 
             //具体需要写入excel需要哪些字段，这些字段取自UserReward类，也就是上面的实际数据结果集的泛型
-            List<String> listColumn = Arrays.asList("username", "name", "className", "stuRank", "score", "trainingProgress");
+            List<String> listColumn = Arrays.asList("username", "name", "className", "stuRank", "score", "teacherScore", "trainingProgress");
             try {
                 FilePortUtil.exportExcel(response, title, headers, stuRankList, listColumn);
             } catch (Exception e) {
@@ -346,9 +357,22 @@ public class TeaScoreController {
         if (ranks == null || ranks.isEmpty()) {
             return;
         }
+        Map<String, BigDecimal> classTeacherScores = Collections.emptyMap();
+        if (teacherScoreService != null && StringUtils.isNotBlank(requestedClassId)) {
+            Map<String, BigDecimal> loadedScores = teacherScoreService.getTeacherScores(requestedClassId, ranks.stream()
+                    .map(StuRank::getUserId)
+                    .filter(StringUtils::isNotBlank)
+                    .distinct()
+                    .collect(Collectors.toList()));
+            if (loadedScores != null) {
+                classTeacherScores = loadedScores;
+            }
+        }
         for (StuRank rank : ranks) {
             String classId = StringUtils.isNotBlank(requestedClassId) ? requestedClassId : rank.getSchoolClassId();
-            rank.setTeacherScore(teacherScoreService.getTeacherScore(classId, rank.getUserId()));
+            rank.setTeacherScore(StringUtils.isNotBlank(requestedClassId)
+                    ? classTeacherScores.get(rank.getUserId())
+                    : teacherScoreService == null ? null : teacherScoreService.getTeacherScore(classId, rank.getUserId()));
             Set<String> enabledModules = resolveEnabledTaskModules(classId);
             int totalTaskCount = enabledModules.size();
             rank.setTotalTaskCount(totalTaskCount);
@@ -429,14 +453,14 @@ public class TeaScoreController {
         }
     }
 
-    private void applyOwnedTeacherClassCriteria(StuRankExample.Criteria criteria, JwtUser teacher, String classId) {
-        List<SchoolClass> ownedClasses;
+    private void applyAccessibleTeacherClassCriteria(StuRankExample.Criteria criteria, JwtUser teacher, String classId) {
+        List<SchoolClass> accessibleClasses;
         if (StringUtils.isNotBlank(classId)) {
-            ownedClasses = Collections.singletonList(teacherScoreService.requireOwnedClass(teacher, classId));
+            accessibleClasses = Collections.singletonList(teacherScoreService.requireAccessibleClass(teacher, classId));
         } else {
-            ownedClasses = teacherScoreService.listOwnedClasses(teacher);
+            accessibleClasses = teacherScoreService.listAccessibleClasses(teacher);
         }
-        List<String> studentIds = ownedClasses.stream()
+        List<String> studentIds = accessibleClasses.stream()
                 .flatMap(schoolClass -> teachingClassStudentMapper.selectByTeachingClassId(schoolClass.getSchoolClassId()).stream())
                 .map(TeachingClassStudent::getStudentUserId)
                 .filter(StringUtils::isNotBlank)
diff --git a/src/main/java/com/sztzjy/linkCommerce/mapper/TeachingClassTeacherScoreMapper.java b/src/main/java/com/sztzjy/linkCommerce/mapper/TeachingClassTeacherScoreMapper.java
index 1d26b85..2c4bcd0 100644
--- a/src/main/java/com/sztzjy/linkCommerce/mapper/TeachingClassTeacherScoreMapper.java
+++ b/src/main/java/com/sztzjy/linkCommerce/mapper/TeachingClassTeacherScoreMapper.java
@@ -4,9 +4,13 @@ import com.sztzjy.linkCommerce.entity.TeachingClassTeacherScore;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
+import java.util.List;
+
 @Mapper
 public interface TeachingClassTeacherScoreMapper {
     TeachingClassTeacherScore selectByClassAndStudent(@Param("teachingClassId") String teachingClassId,
                                                        @Param("studentUserId") String studentUserId);
+    List<TeachingClassTeacherScore> selectByClassAndStudents(@Param("teachingClassId") String teachingClassId,
+                                                             @Param("studentUserIds") List<String> studentUserIds);
     int upsert(TeachingClassTeacherScore record);
 }
diff --git a/src/main/java/com/sztzjy/linkCommerce/service/TeacherScoreService.java b/src/main/java/com/sztzjy/linkCommerce/service/TeacherScoreService.java
index e3b5acd..b16ae7d 100644
--- a/src/main/java/com/sztzjy/linkCommerce/service/TeacherScoreService.java
+++ b/src/main/java/com/sztzjy/linkCommerce/service/TeacherScoreService.java
@@ -7,13 +7,17 @@ import com.sztzjy.linkCommerce.entity.TeachingClassTeacherScore;
 
 import java.math.BigDecimal;
 import java.util.List;
+import java.util.Map;
 
 public interface TeacherScoreService {
     List<SchoolClass> listOwnedClasses(JwtUser teacher);
+    List<SchoolClass> listAccessibleClasses(JwtUser teacher);
     SchoolClass requireOwnedClass(JwtUser teacher, String teachingClassId);
+    SchoolClass requireAccessibleClass(JwtUser teacher, String teachingClassId);
     TeachingClassScoreWeight getOrCreateWeight(JwtUser teacher, String teachingClassId);
     TeachingClassScoreWeight saveWeight(JwtUser teacher, String teachingClassId, TeachingClassScoreWeight weight);
     BigDecimal getTeacherScore(String teachingClassId, String studentUserId);
+    Map<String, BigDecimal> getTeacherScores(String teachingClassId, List<String> studentUserIds);
     TeachingClassTeacherScore saveTeacherScore(JwtUser teacher, String teachingClassId,
                                                 String studentUserId, BigDecimal score);
 }
diff --git a/src/main/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImpl.java b/src/main/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImpl.java
index c94d3ae..b2c5280 100644
--- a/src/main/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImpl.java
+++ b/src/main/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImpl.java
@@ -6,10 +6,12 @@ import com.sztzjy.linkCommerce.entity.SchoolClass;
 import com.sztzjy.linkCommerce.entity.SchoolClassExample;
 import com.sztzjy.linkCommerce.entity.TeachingClassScoreWeight;
 import com.sztzjy.linkCommerce.entity.TeachingClassTeacherScore;
+import com.sztzjy.linkCommerce.entity.Userinfo;
 import com.sztzjy.linkCommerce.mapper.SchoolClassMapper;
 import com.sztzjy.linkCommerce.mapper.TeachingClassScoreWeightMapper;
 import com.sztzjy.linkCommerce.mapper.TeachingClassStudentMapper;
 import com.sztzjy.linkCommerce.mapper.TeachingClassTeacherScoreMapper;
+import com.sztzjy.linkCommerce.mapper.UserinfoMapper;
 import com.sztzjy.linkCommerce.service.TeacherScoreService;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -19,7 +21,9 @@ import org.springframework.stereotype.Service;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.util.Collections;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 @Service
 public class TeacherScoreServiceImpl implements TeacherScoreService {
@@ -31,6 +35,8 @@ public class TeacherScoreServiceImpl implements TeacherScoreService {
     TeachingClassTeacherScoreMapper teacherScoreMapper;
     @Autowired
     TeachingClassStudentMapper teachingClassStudentMapper;
+    @Autowired
+    UserinfoMapper userinfoMapper;
 
     @Override
     public List<SchoolClass> listOwnedClasses(JwtUser teacher) {
@@ -38,6 +44,20 @@ public class TeacherScoreServiceImpl implements TeacherScoreService {
         SchoolClassExample example = new SchoolClassExample();
         example.createCriteria().andSchoolIdEqualTo(teacher.getSchoolId())
                 .andCreatedByEqualTo(teacher.getUserId()).andClassTypeEqualTo("TEACHING");
+        example.setOrderByClause("create_time desc");
+        List<SchoolClass> rows = schoolClassMapper.selectByExample(example);
+        return rows == null ? Collections.emptyList() : rows;
+    }
+
+    @Override
+    public List<SchoolClass> listAccessibleClasses(JwtUser teacher) {
+        requireTeacher(teacher);
+        if (!isTeacherAdmin(teacher)) {
+            return listOwnedClasses(teacher);
+        }
+        SchoolClassExample example = new SchoolClassExample();
+        example.createCriteria().andSchoolIdEqualTo(teacher.getSchoolId()).andClassTypeEqualTo("TEACHING");
+        example.setOrderByClause("create_time desc");
         List<SchoolClass> rows = schoolClassMapper.selectByExample(example);
         return rows == null ? Collections.emptyList() : rows;
     }
@@ -57,6 +77,23 @@ public class TeacherScoreServiceImpl implements TeacherScoreService {
         return schoolClass;
     }
 
+    @Override
+    public SchoolClass requireAccessibleClass(JwtUser teacher, String teachingClassId) {
+        requireTeacher(teacher);
+        if (StringUtils.isBlank(teachingClassId)) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "请选择教学班");
+        }
+        SchoolClass schoolClass = schoolClassMapper.selectByPrimaryKey(teachingClassId);
+        boolean sameSchoolTeachingClass = schoolClass != null
+                && "TEACHING".equals(schoolClass.getClassType())
+                && StringUtils.equals(teacher.getSchoolId(), schoolClass.getSchoolId());
+        if (!sameSchoolTeachingClass || (!isTeacherAdmin(teacher)
+                && !StringUtils.equals(teacher.getUserId(), schoolClass.getCreatedBy()))) {
+            throw new ServiceException(HttpStatus.FORBIDDEN, "无权访问该教学班成绩");
+        }
+        return schoolClass;
+    }
+
     @Override
     public TeachingClassScoreWeight getOrCreateWeight(JwtUser teacher, String teachingClassId) {
         requireOwnedClass(teacher, teachingClassId);
@@ -98,6 +135,21 @@ public class TeacherScoreServiceImpl implements TeacherScoreService {
         return stored == null ? null : stored.getTeacherScore();
     }
 
+    @Override
+    public Map<String, BigDecimal> getTeacherScores(String teachingClassId, List<String> studentUserIds) {
+        if (StringUtils.isBlank(teachingClassId) || studentUserIds == null || studentUserIds.isEmpty()) {
+            return Collections.emptyMap();
+        }
+        List<TeachingClassTeacherScore> rows = teacherScoreMapper
+                .selectByClassAndStudents(teachingClassId, studentUserIds);
+        Map<String, BigDecimal> scores = new LinkedHashMap<>();
+        for (TeachingClassTeacherScore row : rows == null
+                ? Collections.<TeachingClassTeacherScore>emptyList() : rows) {
+            scores.put(row.getStudentUserId(), row.getTeacherScore());
+        }
+        return scores;
+    }
+
     @Override
     public TeachingClassTeacherScore saveTeacherScore(JwtUser teacher, String teachingClassId,
                                                        String studentUserId, BigDecimal score) {
@@ -145,4 +197,13 @@ public class TeacherScoreServiceImpl implements TeacherScoreService {
             throw new ServiceException(HttpStatus.FORBIDDEN, "仅教师可访问成绩中心");
         }
     }
+
+    private boolean isTeacherAdmin(JwtUser teacher) {
+        if (teacher == null || userinfoMapper == null) {
+            return false;
+        }
+        Userinfo userinfo = userinfoMapper.selectByPrimaryKey(teacher.getUserId());
+        return userinfo != null && Boolean.TRUE.equals(userinfo.getTeacherAdmin())
+                && StringUtils.equals(teacher.getSchoolId(), userinfo.getSchoolId());
+    }
 }
diff --git a/src/main/resources/mappers/TeachingClassTeacherScoreMapper.xml b/src/main/resources/mappers/TeachingClassTeacherScoreMapper.xml
index 041d1fc..531ac49 100644
--- a/src/main/resources/mappers/TeachingClassTeacherScoreMapper.xml
+++ b/src/main/resources/mappers/TeachingClassTeacherScoreMapper.xml
@@ -16,6 +16,16 @@
       and student_user_id = #{studentUserId}
   </select>
 
+  <select id="selectByClassAndStudents" resultMap="BaseResultMap">
+    select teaching_class_id, student_user_id, teacher_score, scored_by, update_time
+    from teaching_class_teacher_score
+    where teaching_class_id = #{teachingClassId}
+      and student_user_id in
+      <foreach collection="studentUserIds" item="studentUserId" open="(" separator="," close=")">
+        #{studentUserId}
+      </foreach>
+  </select>
+
   <insert id="upsert" parameterType="com.sztzjy.linkCommerce.entity.TeachingClassTeacherScore">
     insert into teaching_class_teacher_score
       (teaching_class_id, student_user_id, teacher_score, scored_by, update_time)
diff --git a/src/test/java/com/sztzjy/linkCommerce/config/TeachingClassTeacherScoreSchemaInitializerTest.java b/src/test/java/com/sztzjy/linkCommerce/config/TeachingClassTeacherScoreSchemaInitializerTest.java
new file mode 100644
index 0000000..c0ff713
--- /dev/null
+++ b/src/test/java/com/sztzjy/linkCommerce/config/TeachingClassTeacherScoreSchemaInitializerTest.java
@@ -0,0 +1,27 @@
+package com.sztzjy.linkCommerce.config;
+
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+class TeachingClassTeacherScoreSchemaInitializerTest {
+    @Test
+    void createsClassStudentTeacherScoreTable() {
+        JdbcTemplate jdbcTemplate = mock(JdbcTemplate.class);
+        TeachingClassTeacherScoreSchemaInitializer initializer =
+                new TeachingClassTeacherScoreSchemaInitializer(jdbcTemplate);
+
+        initializer.initialize();
+
+        ArgumentCaptor<String> statement = ArgumentCaptor.forClass(String.class);
+        verify(jdbcTemplate).execute(statement.capture());
+        String ddl = statement.getValue();
+        assertTrue(ddl.startsWith("CREATE TABLE IF NOT EXISTS teaching_class_teacher_score"));
+        assertTrue(ddl.contains("teacher_score decimal(5,2) NOT NULL"));
+        assertTrue(ddl.contains("PRIMARY KEY (teaching_class_id, student_user_id)"));
+    }
+}
diff --git a/src/test/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreControllerScopeTest.java b/src/test/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreControllerScopeTest.java
index 346b913..23e91cc 100644
--- a/src/test/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreControllerScopeTest.java
+++ b/src/test/java/com/sztzjy/linkCommerce/controller/stu/TeaScoreControllerScopeTest.java
@@ -13,8 +13,7 @@ import java.util.Collections;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.*;
 
 class TeaScoreControllerScopeTest {
     @Test
@@ -38,5 +37,32 @@ class TeaScoreControllerScopeTest {
         ResultEntity<?> result = controller.ownedTeachingClasses(new MockHttpServletRequest());
 
         assertEquals(HttpStatus.OK, result.getStatusCode());
+        verify(service).listOwnedClasses(any());
+    }
+
+    @Test
+    void accessibleTeachingClassesUsesAuthenticatedTeacherScope() {
+        TeaScoreController controller = controllerForTeacher();
+        TeacherScoreService service = mock(TeacherScoreService.class);
+        ReflectionTestUtils.setField(controller, "teacherScoreService", service);
+        when(service.listAccessibleClasses(any())).thenReturn(Collections.emptyList());
+
+        ResultEntity<?> result = controller.accessibleTeachingClasses(new MockHttpServletRequest());
+
+        assertEquals(HttpStatus.OK, result.getStatusCode());
+        verify(service).listAccessibleClasses(any());
+    }
+
+    private TeaScoreController controllerForTeacher() {
+        return new TeaScoreController() {
+            @Override
+            protected JwtUser currentUser(javax.servlet.http.HttpServletRequest request) {
+                JwtUser teacher = new JwtUser();
+                teacher.setUserId("teacher-1");
+                teacher.setSchoolId("school-1");
+                teacher.setRoleId(3);
+                return teacher;
+            }
+        };
     }
 }
diff --git a/src/test/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImplTest.java b/src/test/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImplTest.java
index a500be4..e9ad581 100644
--- a/src/test/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImplTest.java
+++ b/src/test/java/com/sztzjy/linkCommerce/service/impl/TeacherScoreServiceImplTest.java
@@ -5,10 +5,12 @@ import com.sztzjy.linkCommerce.config.security.JwtUser;
 import com.sztzjy.linkCommerce.entity.SchoolClass;
 import com.sztzjy.linkCommerce.entity.TeachingClassScoreWeight;
 import com.sztzjy.linkCommerce.entity.TeachingClassTeacherScore;
+import com.sztzjy.linkCommerce.entity.Userinfo;
 import com.sztzjy.linkCommerce.mapper.SchoolClassMapper;
 import com.sztzjy.linkCommerce.mapper.TeachingClassScoreWeightMapper;
 import com.sztzjy.linkCommerce.mapper.TeachingClassStudentMapper;
 import com.sztzjy.linkCommerce.mapper.TeachingClassTeacherScoreMapper;
+import com.sztzjy.linkCommerce.mapper.UserinfoMapper;
 import org.junit.jupiter.api.Test;
 import org.springframework.http.HttpStatus;
 import org.springframework.test.util.ReflectionTestUtils;
@@ -16,6 +18,7 @@ import org.springframework.test.util.ReflectionTestUtils;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -55,15 +58,39 @@ class TeacherScoreServiceImplTest {
     }
 
     @Test
-    void savesTeacherScoreForStudentInOwnedTeachingClass() {
+    void teacherAdminListsAndCanReadAllTeachingClassesInSameSchool() {
+        TeacherScoreServiceImpl service = new TeacherScoreServiceImpl();
+        SchoolClassMapper classMapper = mock(SchoolClassMapper.class);
+        UserinfoMapper userinfoMapper = mock(UserinfoMapper.class);
+        ReflectionTestUtils.setField(service, "schoolClassMapper", classMapper);
+        ReflectionTestUtils.setField(service, "userinfoMapper", userinfoMapper);
+        JwtUser manager = teacher("teacher-admin", "school-1");
+        Userinfo managerInfo = new Userinfo();
+        managerInfo.setUserId("teacher-admin");
+        managerInfo.setSchoolId("school-1");
+        managerInfo.setTeacherAdmin(true);
+        SchoolClass otherTeacherClass = classRow("class-2", "teacher-2", "school-1");
+        when(userinfoMapper.selectByPrimaryKey("teacher-admin")).thenReturn(managerInfo);
+        when(classMapper.selectByExample(any())).thenReturn(java.util.Collections.singletonList(otherTeacherClass));
+        when(classMapper.selectByPrimaryKey("class-2")).thenReturn(otherTeacherClass);
+
+        assertEquals(1, service.listAccessibleClasses(manager).size());
+        assertEquals("class-2", service.requireAccessibleClass(manager, "class-2").getSchoolClassId());
+    }
+
+    @Test
+    void classOwnerCanSaveTeacherScoreButManagerCannotScoreAnotherTeachersClass() {
         TeacherScoreServiceImpl service = new TeacherScoreServiceImpl();
         SchoolClassMapper classMapper = mock(SchoolClassMapper.class);
         TeachingClassStudentMapper memberMapper = mock(TeachingClassStudentMapper.class);
         TeachingClassTeacherScoreMapper scoreMapper = mock(TeachingClassTeacherScoreMapper.class);
+        UserinfoMapper userinfoMapper = mock(UserinfoMapper.class);
         ReflectionTestUtils.setField(service, "schoolClassMapper", classMapper);
         ReflectionTestUtils.setField(service, "teachingClassStudentMapper", memberMapper);
         ReflectionTestUtils.setField(service, "teacherScoreMapper", scoreMapper);
-        when(classMapper.selectByPrimaryKey("class-1")).thenReturn(classRow("class-1", "teacher-1", "school-1"));
+        ReflectionTestUtils.setField(service, "userinfoMapper", userinfoMapper);
+        SchoolClass ownerClass = classRow("class-1", "teacher-1", "school-1");
+        when(classMapper.selectByPrimaryKey("class-1")).thenReturn(ownerClass);
         when(memberMapper.countByStudentUserIdAndTeachingClassId("student-1", "class-1")).thenReturn(1L);
 
         TeachingClassTeacherScore saved = service.saveTeacherScore(
@@ -72,6 +99,15 @@ class TeacherScoreServiceImplTest {
         assertEquals(new java.math.BigDecimal("88.13"), saved.getTeacherScore());
         assertEquals("teacher-1", saved.getScoredBy());
         verify(scoreMapper).upsert(saved);
+
+        Userinfo managerInfo = new Userinfo();
+        managerInfo.setUserId("teacher-admin");
+        managerInfo.setSchoolId("school-1");
+        managerInfo.setTeacherAdmin(true);
+        when(userinfoMapper.selectByPrimaryKey("teacher-admin")).thenReturn(managerInfo);
+        ServiceException error = assertThrows(ServiceException.class, () -> service.saveTeacherScore(
+                teacher("teacher-admin", "school-1"), "class-1", "student-1", new java.math.BigDecimal("90")));
+        assertEquals(HttpStatus.FORBIDDEN, error.getCode());
     }
 
     @Test