Gradebook

{
    "items": [
        {
            "id": "string",
            "kind": "QUIZ",
            "title": "string",
            "maxScore": 0
        }
    ],
    "rows": [
        {
            "student": {
                "id": "string",
                "name": "string",
                "nisn": "string",
                "image": "string"
            },
            "scores": [
                {
                    "itemId": "string",
                    "score": 0
                }
            ],
            "average": 0
        }
    ]
}