grade.json

{
    "Student ID":{
      "0":123,
      "1":246,
      "2":578,
      "3":469,
      "4":324,
      "5":313,
      "6":145,
      "7":167,
      "8":235,
      "9":"nil",
      "10":469,
      "11":456
    },
    "Year in School":{
      "0":12,
      "1":10,
      "2":12,
      "3":11,
      "4":"Junior",
      "5":20,
      "6":12,
      "7":10,
      "8":"9th Grade",
      "9":9,
      "10":11,
      "11":10
    },
    "GPA":{
      "0":3.57,
      "1":4,
      "2":2.78,
      "3":3.45,
      "4":4.75,
      "5":3.33,
      "6":2.95,
      "7":3.9,
      "8":3.15,
      "9":2.8,
      "10":3.45,
      "11":2.75
    }
}