Question: what age is secondary school in usa?
Answer: Secondary education in the United States is the last seven years of statutory formal education grade 6 (age 11–12) through grade 12 (age 17–18). It occurs in two phases. The first is the ISCED lower secondary phase, a junior high school or middle school for students grade 6 (age 11–12) through grade 8 (age 13–14).