skive/ skive off/ bunk off: British informal to deliberately not go to school, work, etc when you should be there
Have you been skiving off again? You'll get caught one of these days.
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play truant British /play hooky American if a child plays truant or plays hooky from school, they deliberately stay away from school without their parent's permission‧
Billy was caught playing truant and has been given extra homework for a month.
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cut especially American, informal if a student cuts classes, school etc, they deliberately do not go to the classes that they should go to
Kids cut class and ran down the street to watch the fire.
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get out of something
phrasal verb