secondary school noun3 •(UK, Ireland) A state school attended between the ages of 11 and 16 or 18 between primary school and university.One of the key roles played by the Whitby line is the transport of children from rural spots along the branch to secondary school in the coastal town. — 2019 •(US, Canada) The federally designated, graduation-separated classification of grades 9–12 (approximately ages 14–18), regardless of whether they are compiled together in one school or separate from the other grades. •(Singapore) Middle school; junior high school; a school that one attends between the ages of 12-17 (equivalent of grades 7-10 in North America, and years 7-10 in Australia). formssecondary schools
