Keystone High School

Keystone High School may refer to:


 * Keystone Charter School &mdash; Sandy Valley, Nevada
 * Keystone High School (LaGrange, Ohio)
 * Keystone Oaks High School &mdash; Pittsburgh, Pennsylvania
 * Keystone Job Corp High School &mdash; Drums, Pennsylvania
 * Keystone Junior/Senior High School &mdash; Knox, Pennsylvania
 * Keystone Heights Junior-Senior High School &mdash; Keystone Heights, Florida
 * Keystone National High School a correspondence school &mdash; Pennsylvania
 * Keystone School &mdash; San Antonio, Texas