curl -X GET "https://api.athena-erp.com/api/enrollments?page=1&page_size=20&status=active" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"

{
  "total": 156,
  "page": 1,
  "page_size": 20,
  "items": [
    {
      "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "school_id": "550e8400-e29b-41d4-a716-446655440000",
      "student_id": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
      "school_year_id": "c3d4e5f6-a7b8-9012-cdef-123456789012",
      "grade_level": "10°",
      "group_code": "A",
      "shift": "morning",
      "status": "active",
      "status_history": [
        {
          "status": "pending_documents",
          "changed_at": "2024-01-15T10:30:00Z",
          "changed_by": "d4e5f6a7-b8c9-0123-def1-234567890123"
        },
        {
          "status": "active",
          "changed_at": "2024-01-20T14:25:00Z",
          "changed_by": "d4e5f6a7-b8c9-0123-def1-234567890123"
        }
      ],
      "simat_status": {},
      "extra_data": {},
      "student_name": "Juan Pérez García",
      "school_year_name": "2024",
      "documents": [],
      "created_at": "2024-01-15T10:30:00Z",
      "updated_at": "2024-01-20T14:25:00Z"
    }
  ]
}