The tutor undertakes to do all preperation prior to lessons and to structure lessions in such a way as to optimize etime to the benefit of the student. The tutor shall keep confidential all information of the student and shall contact other parties involved in the education of the student only if given written permission by the student, or student's guardian, to do so. The tutor shall at no time be required or obliged to execute homework or assignment on behalf of the student.