[
  {
    "student_id": "ST900",
    "name_raw": "홍OO(영문)",
    "student_key": null,
    "course": "웹개발",
    "progress": null,
    "last_active": null,
    "assignments_done": null
  },
  {
    "student_id": "ST901",
    "student_key": "st0",
    "name_raw": "수강생0",
    "course": "데이터",
    "progress": 0,
    "last_active": "2026-04-01",
    "assignments_done": 0
  },
  {
    "student_id": "ST902",
    "name_raw": "완주생",
    "student_key": "st2",
    "course": "앱",
    "progress": 1,
    "last_active": "2026-05-23",
    "assignments_done": 10
  },
  {
    "student_id": "ST903",
    "name_raw": "미등록수강생",
    "student_key": null,
    "course": "웹개발",
    "progress": 0.5,
    "last_active": "2026-05-10",
    "assignments_done": null
  },
  {
    "student_id": "ST000",
    "name_raw": "수강생0",
    "student_key": "st0",
    "course": "웹개발",
    "progress": 0.1,
    "last_active": "2026-05-22",
    "assignments_done": 0
  },
  {
    "student_id": "ST001",
    "name_raw": "수강생1",
    "student_key": "st1",
    "course": "데이터",
    "progress": 0.2,
    "last_active": "2026-05-22",
    "assignments_done": 1
  },
  {
    "student_id": "ST002",
    "name_raw": "수강생2",
    "student_key": "st2",
    "course": "앱",
    "progress": 0.3,
    "last_active": "2026-05-22",
    "assignments_done": 2
  },
  {
    "student_id": "ST003",
    "name_raw": "수강생3",
    "student_key": "st3",
    "course": "웹개발",
    "progress": 0.4,
    "last_active": "2026-05-22",
    "assignments_done": 3
  },
  {
    "student_id": "ST004",
    "name_raw": "수강생4",
    "student_key": "st4",
    "course": "데이터",
    "progress": 0.5,
    "last_active": "2026-05-22",
    "assignments_done": 4
  },
  {
    "student_id": "ST005",
    "name_raw": "수강생5",
    "student_key": "st5",
    "course": "앱",
    "progress": 0.6,
    "last_active": "2026-05-22",
    "assignments_done": 0
  },
  {
    "student_id": "ST006",
    "name_raw": "수강생0",
    "student_key": "st0",
    "course": "웹개발",
    "progress": 0.7,
    "last_active": "2026-05-22",
    "assignments_done": 1
  },
  {
    "student_id": "ST007",
    "name_raw": "수강생1",
    "student_key": "st1",
    "course": "데이터",
    "progress": 0.8,
    "last_active": "2026-05-22",
    "assignments_done": 2
  }
]