Legal basis: The Notice on Doing a Good Job in Summer Learning and Living Arrangements for Primary and Secondary Schools should guide schools to strictly implement holiday management regulations and arrange holiday time, and it is strictly forbidden to increase or decrease the duration of holidays at will. During holidays, education administrative departments and schools at all levels shall not organize students to go to school collectively or take classes through the internet, make up lessons or organize self-study in a unified way for any reason, and shall not participate in or organize students to participate in various counseling training courses in any form. It is forbidden for schools to unite or rent school buildings to social forces to hold remedial classes and training courses. Municipalities should set up supervision and reporting telephone numbers and make them public on government websites, and take the initiative to accept social supervision. To intensify the investigation, in accordance with the relevant provisions of the "measures for the accountability of ordinary primary and secondary schools in Shandong Province" (DecreeNo. 255th of the provincial government), the schools that violate the rules will be dealt with severely.