play truant
From Longman Dictionary of Contemporary Englishplay truantplay truantBritish EnglishSESGO TO/ATTEND to stay away from school without permission SYN skive British English, play hooky American English → truantExamples from the Corpusplay truant• He'd played hooky again and ridden the train out to Brooklyn.• Billy was caught playing truant and has been given extra homework for a month.