From Longman Dictionary of Contemporary Englishschoolboyschool‧boy /ˈskuːlbɔɪ/ noun [countable] especially British English 1 SESa boy attending school► see thesaurus at student2 → schoolboy humour
Examples from the Corpus
schoolboy• As a schoolboy prank he leaned forward to staple the boy in front's jacket to his chair.• He was only a schoolboy, after all: we all tended to forget that.• Every schoolboy knows what the surface of Mars looks like and now he must see Uranus.• They also robbed two schoolboys of their £250 mountain bikes. 