(SCHOOL) [adjective] - used to refer to one of several stages of education(UK) Junior refers to a stage of education in England and Wales for children aged 7 to 11 years.My children go to (a) junior school.a junior teacher(US) They met in their junior year (= third of four years) at college and married soon after they graduated.(US) A junior high (school) is a school in the US for children who are 12 to 15 years old.I used to write for the school newspaper in junior high.
JUNIOR
Meaning of JUNIOR in English
Cambridge English vocab. Кембриджский английский словарь. 2012