SVHS
- S-VHS
- Saint Viator High School
- Scotts Valley High School
- Seneca Valley High School
- Shades Valley High School
- Shelby Valley High School
- Shepaug Valley High School
- Simi Valley High School
- Sky View High School
- Smithson Valley High School
- Sonoma Valley High School
- South View High School
- Spring Valley High School (disambiguation)
- Springvale House
- St. Vincent de Paul High School (Petaluma, California)
- Star Valley High School
- Susquehanna Valley High School
- Symmes Valley High School