Synonyms for Truant (same or very similar meaning)
WordNet sense 1 (one who is absent from school without permission):
hooky playerWordNet sense 2 (someone who shirks duty):
no-show, nonattenderWordNet sense 3 (absent without permission):
AWOLWordNet sense 4 (not in a specified place physically or mentally):
absentFrom the ODE community, based on WordNetadd/edit