From Longman Dictionary of Contemporary Englishcut class/schoolcut class/schoolAmerican English informal to deliberately not go to a class that you should go to She started cutting classes. → cut
Examples from the Corpus
cut class/school• She started cutting classes and fighting with her teachers and parents.• But Democratic legislators say the tax cut would cut school funding by more than $ 3 billion.• The conference also approved resolutions to cut class sizes and protect teachers from undue stress. 