The entrance to a modern high school building.
The definition of high school is an academic institution providing education more advanced than elementary school or middle school but less advanced than college, typically grades 9, 10, 11 and 12.
An example of high school is the local public school where 15 year olds attend.
a secondary school that usually includes grades 10, 11, and 12, and sometimes grade 9 (and occasionally, esp. formerly, grades 7 and 8), and that offers academic or vocational subjects
A secondary school that usually includes grades 9 or 10 through 12.
- high school′er
(plural high schools)
- (education) An institution which provides all or part of secondary education.
- secondary school (used in this way in parts of Australia and Canada)