school.js

{
  "_id": 1,
  "zipcode": "63109",
  "students": [
    {
      "name": "john",
      "school": 102,
      "age": 10,
      "class": {
        "teacher": "lennon",
        "book": [
          {
            "pages": 32,
            "title": "a"
          },
          {
            "pages": 45,
            "title": "b"
          },
          {
            "pages": 32,
            "title": "c"
            
          }
        ],
        "paper": [
          {
            "color": "white"
          },
          {
            "color": "blue"
          },
          {
            "color": "red"
          }
        ],
        "things": [
          {
            "pencil": "red"
          },
          {
            "pen": "blue"
          },
          {
            "eraser": "white"
          }
        ]
      }
    },
    {
      "name": "jorge",
      "school": 102,
      "age": 10,
      "class": {
        "teacher": "harrison",
        "book": [
          {
            "pages": 32,
            "title": "d"
          },
          {
            "pages": 20,
            "title": "e"
          },
          {
            "pages": 188,
            "title": "f"
          }
        ],
        "paper": [
          {
            "color": "white"
          },
          {
            "color": "blue"
          },
          {
            "color": "red"
          }
        ],
        "things": [
          {
            "pencil": "red"
          },
          {
            "pen": "blue"
          },
          {
            "eraser": "white"
          }
        ]
      }
    },
    {
      "name": "ringo",
      "school": 102,
      "age": 10,
      "class": {
        "teacher": "star",
        "book": [
          {
            "pages": 55,
            "title": "g"
          },
          {
            "pages": 66,
            "title": "h"
          },
          {
            "pages": 321,
            "title": "i"
          }
        ],
        "paper": [
          {
            "color": "white"
          },
          {
            "color": "blue"
          },
          {
            "color": "red"
          }
        ],
        "things": [
          {
            "pencil": "red"
          },
          {
            "pen": "blue"
          },
          {
            "eraser": "white"
          }
        ]
      }
    }
  ]
}