noun
[ U ] ( especially BrE ) education for children between the ages of 11 and 18 :
primary and secondary education
noun
[ U ] ( especially BrE ) education for children between the ages of 11 and 18 :
primary and secondary education
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005