diff --git a/backend/src/main/java/com/example/Piroin/project/domain/assignment/service/AssignmentService.java b/backend/src/main/java/com/example/Piroin/project/domain/assignment/service/AssignmentService.java
index 54505dd..6a7e818 100644
--- a/backend/src/main/java/com/example/Piroin/project/domain/assignment/service/AssignmentService.java
+++ b/backend/src/main/java/com/example/Piroin/project/domain/assignment/service/AssignmentService.java
@@ -30,6 +30,7 @@
 import java.time.DayOfWeek;
 import java.time.LocalDate;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.List;
 
 @Service
@@ -248,17 +249,21 @@ public StudentWeeklyStatusResponse getStudentWeeklyStatus(
         List<StudySession> sessions =
                 curriculumRepository.findByWeek(week);
 
-        List<DayStatusResponse> dayResponses = new ArrayList<>();
+        List<LocalDate> sessionDates = sessions.stream()
+                .map(StudySession::getSessionDate)
+                .distinct()
+                .sorted()
+                .toList();
 
-        for (StudySession session : sessions) {
+        List<DayStatusResponse> dayResponses = new ArrayList<>();
 
-            LocalDate sessionDate = session.getSessionDate();
+        for (LocalDate sessionDate : sessionDates) {
 
-            String day =
-                    sessionDate.getDayOfWeek().toString();
+            String day = sessionDate.getDayOfWeek().toString();
 
             /*
              * 과제 조회
+             * 과제 date를 요일/sessionDate 기준으로 조회하는 기존 방식 유지
              */
             List<Assignment> assignments =
                     assignmentRepository.findBySessionDate(sessionDate);
@@ -293,12 +298,14 @@ public StudentWeeklyStatusResponse getStudentWeeklyStatus(
 
             /*
              * 출석 조회
+             * attendance는 attendance_code의 날짜 기준으로 계산하는 기존 방식 유지
              */
             List<AttendanceCode> attendanceCodes =
                     attendanceCodeRepository.findByAttendanceDate(sessionDate);
 
             List<AttendanceStatusResponse> attendanceResponses =
                     attendanceCodes.stream()
+                            .sorted(Comparator.comparing(AttendanceCode::getAttendanceOrder))
                             .map(code -> {
 
                                 Attendance attendance =
diff --git a/frontend/src/pages/pirocheck/students/StudentDetail.js b/frontend/src/pages/pirocheck/students/StudentDetail.js
index d3e5c17..9c9e825 100644
--- a/frontend/src/pages/pirocheck/students/StudentDetail.js
+++ b/frontend/src/pages/pirocheck/students/StudentDetail.js
@@ -10,8 +10,8 @@ import Toggle2 from '../../../assets/images/icon_togle2.svg';
 const IS_MOCK = false;
 
 const dayLabel = { TUESDAY: 'TUE', THURSDAY: 'THU', SATURDAY: 'SAT' };
-const statusOptions = ['SUBMITTED', 'LATE', 'NOT_SUBMITTED'];
-const statusLabel = { SUBMITTED: '성공', LATE: '미달', NOT_SUBMITTED: '실패' };
+const statusOptions = ['PENDING', 'SUCCESS', 'INSUFFICIENT', 'FAILURE'];
+const statusLabel = { PENDING: '대기', SUCCESS: '성공', INSUFFICIENT: '미달', FAILURE: '실패' };
 
 function WeekBlock({ weekData, onChange }) {
     const [isOpen, setIsOpen] = useState(false);
@@ -134,6 +134,20 @@ function StudentDetail() {
                     [1, 2, 3, 4, 5].map(w =>
                         authFetch(`/api/admin/admin/student/${userId}/status/${w}`)
                             .then(r => r.json())
+                            .then(res => {
+                                const weekData = res.data ?? { week: w, days: [] };
+
+                                const uniqueDays = Array.from(
+                                    new Map(
+                                        (weekData.days || []).map(day => [day.sessionDate, day])
+                                    ).values()
+                                ).sort((a, b) => new Date(a.sessionDate) - new Date(b.sessionDate));
+
+                                return {
+                                    ...weekData,
+                                    days: uniqueDays,
+                                };
+                            })
                             .catch(() => ({ week: w, days: [] }))
                     )
                 );