Frontier High School
- Camarillo, California
- Camden, Michigan
- Camden-Frontier High School
- Elizabeth, Colorado
- Fort Collins, Colorado
- Frontier High School (Bakersfield, California)
- Frontier High School (Camarillo, California)
- Frontier High School (Elizabeth, Colorado)
- Frontier High School (Fort Collins, Colorado)
- Frontier High School (New York)
- Frontier High School (Ohio)
- Frontier High School (Oklahoma)
- Frontier High School (Whittier, California)
- Frontier Junior-Senior High School
- Frontier Regional School
- Red Rock, Oklahoma
- Whittier, California
