Missing Controller

Error: KoranSchoolController could not be found.

Error: Create the class KoranSchoolController below in file: app/controllers/koran_school_controller.php

<?php
class KoranSchoolController extends AppController {

	var $name = 'KoranSchool';
}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_controller.ctp