school-leaving age
noun/ˌskuːl ˈliːvɪŋ eɪdʒ/
/ˌskuːl ˈliːvɪŋ eɪdʒ/
[singular] (British English)- the age at which a school student is legally allowed to leave school permanently
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school-leaving age
Definition of school-leaving age noun from the Oxford Advanced Learner's Dictionary