text: Teachers = new Mongo.Collection("teachers");
  
  Teachers.allow({
  	insert: function(userId, doc) {
  		return !!userId;
  	}
  });
  
  Teachers.attachSchema(new SimpleSchema({
  	name: {
  		type: String,
  		label: "Nombre"
  	},
  	lastname: {
  		type: String,
  		label: "Apellido"
  	},
  	grade: {
  		type: String,
  		label: "Educación"
  	},
  	university: {
  		type: String,
  		label: "Universidad"
  	},
  	email: {
  		type: String,
  		label: "Email"
  	},
  	createdBy: {
  	    type: String,
  	    autoValue: function() {
  	    	return this.userId;
  	 	},
  	 	autoform: {
  	 		type: "hidden"
  	 	}
  	},
  	craetedAt: {
  		type: Date,
  		label: "Creado",
  		autoValue: function() {
  			return new Date();
  		},
  		autoform: {
  	 		type: "hidden"
  	 	}
  	}
  }));