school voucher
noun [ C usually plural ] uk/ˈskuːl ˌvaʊ.tʃər/ us/ˈskuːl ˌvaʊ.tʃɚ/ (also education voucher, voucher)
（美国）学券，教育券，教育代金券（一种奖学金，资助学生上私立学校而不是公立学校）
in the US, a scholarship (= money to pay for studies) that allows a student to attend a private school rather than a state school
Opponents of school vouchers gathered outside the meeting room to protest. 反对教育券的人士聚集在会议室外面抗议。