Hazelwood East High School is located at 11300 Dunn Road in Spanish Lake, Missouri. It is one of three high schools in Hazelwood School District (HSD) in St. Louis County, Missouri, alongside Hazelwood Central High School and Hazelwood West High School.

Hazelwood Central High School is located at 15875 New Halls Ferry Road in unincorporated St. Louis County, Missouri, adjacent to the current northeast boundary of Florissant. The school is one of three high schools in Hazelwood School District (HSD), the others being Hazelwood East High School and Hazelwood West High School.