A method of controlling a user terminal is provided. The method includes displaying a graphic user interface (GUI) which includes items showing a plurality of class courses which are taught based on a lesson content, and items showing a plurality of activities or materials; selecting one of the displayed items corresponding to the plurality of activities or materials in accordance with a user's input; designating the item of the selected activity or material to one of the items corresponding to the plurality of class courses; and generating the lesson content by storing the class course and lesson plan configuration information corresponding to the activity or material designated to the class course.