text: 
  var mongoose = require("mongoose");
  
  var Schema = mongoose.Schema;
  
  var Class = new Schema({
      name: {
          type: String,
          trim: true,
      },
      classTeacher: {
          type: String,
          trim: true,
      },
      classType:{
          type: String,
          trim: true,
      },
      student:[]
  });
  
  module.exports = mongoose.model('Class', Class);