diff --git a/tests/api/test_api_formsemestre.py b/tests/api/test_api_formsemestre.py
index 99df59455f..ed6d2791d6 100644
--- a/tests/api/test_api_formsemestre.py
+++ b/tests/api/test_api_formsemestre.py
@@ -26,6 +26,7 @@ from tests.api.tools_test_api import (
     verify_fields,
     EVAL_FIELDS,
     SAISIE_NOTES_FIELDS,
+    FORMSEMESTRE_ETUS_FIELDS,
 )
 from tests.api.tools_test_api import FSEM_FIELDS, UE_FIELDS, MODULE_FIELDS
 
@@ -81,30 +82,135 @@ def test_bulletins(api_headers):
 #     assert r.status_code == 200
 
 
-# def test_formsemestre_etudiants(api_headers):
-#     """
-#     Route:  /formsemestre/<int:formsemestre_id>/etudiants, /formsemestre/<int:formsemestre_id>/etudiants/demissionnaires, /formsemestre/<int:formsemestre_id>/etudiants/defaillants
-#     """
-#     r = requests.get(
-#         API_URL + "/formsemestre/<int:formsemestre_id>/etudiants",
-#         headers=api_headers,
-#         verify=CHECK_CERTIFICATE,
-#     )
-#     assert r.status_code == 200
-#
-#     r = requests.get(
-#         API_URL + "/formsemestre/<int:formsemestre_id>/etudiants/demissionnaires",
-#         headers=api_headers,
-#         verify=CHECK_CERTIFICATE,
-#     )
-#     assert r.status_code == 200
-#
-#     r = requests.get(
-#         API_URL + "/formsemestre/<int:formsemestre_id>/etudiants/defaillants",
-#         headers=api_headers,
-#         verify=CHECK_CERTIFICATE,
-#     )
-#     assert r.status_code == 200
+def test_formsemestre_etudiants(api_headers):
+    """
+    Route:  /formsemestre/<int:formsemestre_id>/etudiants,
+            /formsemestre/<int:formsemestre_id>/etudiants/demissionnaires,
+            /formsemestre/<int:formsemestre_id>/etudiants/defaillants
+    """
+    r = requests.get(
+        API_URL + "/formsemestre/1/etudiants",
+        headers=api_headers,
+        verify=CHECK_CERTIFICATE,
+    )
+    assert r.status_code == 200
+    formsemestre_etus = r.json()
+    assert isinstance(formsemestre_etus, list)
+    assert verify_fields(formsemestre_etus, FORMSEMESTRE_ETUS_FIELDS) is True
+    for etu in formsemestre_etus:
+        assert isinstance(etu["id"], int)
+        assert isinstance(etu["nip"], str)
+        assert isinstance(etu["ine"], str)
+        assert isinstance(etu["nom"], str)
+        assert etu["nom_usuel"] is None or isinstance(etu["nom_usuel"], str)
+        assert isinstance(etu["prenom"], str)
+        assert isinstance(etu["civilite"], str)
+        assert isinstance(etu["groups"], list)
+        etu_groups = etu["groups"]
+        for group in etu_groups:
+            assert isinstance(group["partition_id"], int)
+            assert isinstance(group["id"], int)
+            assert isinstance(group["formsemestre_id"], int)
+            assert group["partition_name"] is None or isinstance(
+                group["partition_name"], str
+            )
+            assert isinstance(group["numero"], int)
+            assert isinstance(group["bul_show_rank"], bool)
+            assert isinstance(group["show_in_lists"], bool)
+            assert isinstance(group["group_id"], int)
+            assert group["group_name"] is None or isinstance(group["group_name"], int)
+
+    ### demissionnaires ###
+    r_demissionnaires = requests.get(
+        API_URL + "/formsemestre/<int:formsemestre_id>/etudiants/demissionnaires",
+        headers=api_headers,
+        verify=CHECK_CERTIFICATE,
+    )
+    assert r_demissionnaires.status_code == 200
+    formsemestre_etus = r_demissionnaires.json()
+    assert isinstance(formsemestre_etus, list)
+    assert verify_fields(formsemestre_etus, FORMSEMESTRE_ETUS_FIELDS) is True
+    for etu in formsemestre_etus:
+        assert isinstance(etu["id"], int)
+        assert isinstance(etu["nip"], str)
+        assert isinstance(etu["ine"], str)
+        assert isinstance(etu["nom"], str)
+        assert etu["nom_usuel"] is None or isinstance(etu["nom_usuel"], str)
+        assert isinstance(etu["prenom"], str)
+        assert isinstance(etu["civilite"], str)
+        assert isinstance(etu["groups"], list)
+        etu_groups = etu["groups"]
+        for group in etu_groups:
+            assert isinstance(group["partition_id"], int)
+            assert isinstance(group["id"], int)
+            assert isinstance(group["formsemestre_id"], int)
+            assert group["partition_name"] is None or isinstance(
+                group["partition_name"], str
+            )
+            assert isinstance(group["numero"], int)
+            assert isinstance(group["bul_show_rank"], bool)
+            assert isinstance(group["show_in_lists"], bool)
+            assert isinstance(group["group_id"], int)
+            assert group["group_name"] is None or isinstance(group["group_name"], int)
+
+    ### defaillants ###
+    r_defaillants = requests.get(
+        API_URL + "/formsemestre/<int:formsemestre_id>/etudiants/defaillants",
+        headers=api_headers,
+        verify=CHECK_CERTIFICATE,
+    )
+    assert r_defaillants.status_code == 200
+
+    formsemestre_etus = r_defaillants.json()
+    assert isinstance(formsemestre_etus, list)
+    assert verify_fields(formsemestre_etus, FORMSEMESTRE_ETUS_FIELDS) is True
+    for etu in formsemestre_etus:
+        assert isinstance(etu["id"], int)
+        assert isinstance(etu["nip"], str)
+        assert isinstance(etu["ine"], str)
+        assert isinstance(etu["nom"], str)
+        assert etu["nom_usuel"] is None or isinstance(etu["nom_usuel"], str)
+        assert isinstance(etu["prenom"], str)
+        assert isinstance(etu["civilite"], str)
+        assert isinstance(etu["groups"], list)
+        etu_groups = etu["groups"]
+        for group in etu_groups:
+            assert isinstance(group["partition_id"], int)
+            assert isinstance(group["id"], int)
+            assert isinstance(group["formsemestre_id"], int)
+            assert group["partition_name"] is None or isinstance(
+                group["partition_name"], str
+            )
+            assert isinstance(group["numero"], int)
+            assert isinstance(group["bul_show_rank"], bool)
+            assert isinstance(group["show_in_lists"], bool)
+            assert isinstance(group["group_id"], int)
+            assert group["group_name"] is None or isinstance(group["group_name"], int)
+
+    assert r != r_demissionnaires != r_defaillants is True
+
+    ### ERROR ###
+    id_formsemestre_inexistant = 265165689619851621685
+    r_error = requests.get(
+        f"{API_URL}/formsemestre/{id_formsemestre_inexistant}/etudiants",
+        headers=api_headers,
+        verify=CHECK_CERTIFICATE,
+    )
+    assert r_error.status_code == 404
+
+    r_error_demissionnaires = requests.get(
+        f"{API_URL}/formsemestre/{id_formsemestre_inexistant}/etudiants/demissionnaires",
+        headers=api_headers,
+        verify=CHECK_CERTIFICATE,
+    )
+    assert r_error_demissionnaires.status_code == 404
+
+    r_error_defaillants = requests.get(
+        f"{API_URL}/formsemestre/{id_formsemestre_inexistant}/etudiants/defaillants",
+        headers=api_headers,
+        verify=CHECK_CERTIFICATE,
+    )
+    assert r_error_defaillants.status_code == 404
 
 
 def test_formsemestre_programme(api_headers):
diff --git a/tests/api/tools_test_api.py b/tests/api/tools_test_api.py
index 7d5f03b6a4..41147cf526 100644
--- a/tests/api/tools_test_api.py
+++ b/tests/api/tools_test_api.py
@@ -534,3 +534,27 @@ ABSENCES_FIELDS = {
 }
 
 ABSENCES_GROUP_ETAT_FIELDS = {"etudid", "list_abs"}
+
+
+FORMSEMESTRE_ETUS_FIELDS = {
+    "id",
+    "nip",
+    "ine",
+    "nom",
+    "nom_usuel",
+    "prenom",
+    "cvilite",
+    "groups",
+}
+
+FORMSEMESTRE_ETUS_GROUPS_FIELDS = {
+    "partition_id",
+    "id",
+    "formsemestre_id",
+    "partition_name",
+    "numero",
+    "bul_show_rank",
+    "show_in_lists",
+    "group_id",
+    "group_name",
+}