marinare la scuola significa in inglese

play hooky▼(to stay away from school, work, etc. without suitable permission or excuse)
verb
[UK: ˈpleɪ ˈhʊk.i] [US: ˈpleɪ ˈhʊk.i]

wag [wagged, wagging, wags]▼(to not go to school)
verb
[UK: wæɡ] [US: ˈwæɡ]