| Grace Brethren Jr./Sr. High School | |
|---|---|
| Address | |
 | |
1350 Cherry Avenue United States | |
| Coordinates | 34°15′49″N 118°45′2″W / 34.26361°N 118.75056°W |
| Information | |
| Type | Private, Coeducational |
| Religious affiliation(s) | Nondenominational Christianity |
| Established | 1989 (first high school students enrolled) |
| Grades | 7—12 |
| Color(s) | Red and black |
| Athletics conference | CIF Southern Section Tri-County Athletic Association |
| Nickname | Lancers |
| Accreditation | ACSI |
| Website | www |
Grace Brethren Jr./Sr. High School (GBHS) is a co-educational, college-preparatory Christian school in Simi Valley, California serving grades 7–12. The school is one of three campuses in Simi Valley comprising the Grace Brethren Schools, the others being an elementary school (grades K—6) and a preschool.