grammar school

noun3

1. •
   (UK) A secondary school that stresses academic over practical or vocational education, until recent times open to those pupils who had passed the 11-plus examination.

   • The largest building at one end, now used as a church hall, was originally the village's one-roomed grammar school, also endowed by the Lumleys. — 1980
2. •
   (US, rare) Elementary school.
3. •
   (no longer used) A school that teaches its pupils the grammar system of a European language, especially Latin and Greek.