[
    {
        "HOD": “hod1”,
        "HOD_Email": “hod1@gmail.com"
    },
    {
        "classTeacher": “classteacher1”,
        "classTeacherEmail": “classteacher1@gmail.com”
    },
    [
        {
            "t_name": “teacher1”,
            "t_subject": “subject1”,
            "t_email": “teacher1@gmail.com”
        },
        {
             "t_name": “teacher2”,
            "t_subject": “subject2”,
            "t_email": “teacher2@gmail.com”
        },
        {
             "t_name": “teacher3”,
            "t_subject": “subject3”,
            "t_email": “teacher3@gmail.com”
        }
    ]
]