Santa Susana High

Santa Susana High operates as a medium-sized four-year high school in Simi Valley, California, one of the schools within Simi Valley Unified. Current enrollment sits at 1,033 students spanning grades 9 through 12. That puts it 23% bigger than the typical public school in California, which averages around 838 students.

Santa Susana High is one of 27 schools operated by Simi Valley Unified, a district that serves 15,418 students overall.

Looking at the student body, Santa Susana High logs that the largest single group is White at 37%, but no single group is in the majority. Beyond that, the school records 33% Hispanic, 23% Asian, 5% multiracial. By comparison, Ventura County as a whole is about 52% White, so the school skews noticeably less White than its surroundings.

Looking at school resources, On paper, Santa Susana High has 51 full-time-equivalent teachers, translating to a class-load average of around 20.4:1. The state averages around 18.2:1, so this campus is higher than the state norm typical. Roughly 30% of students at Santa Susana High qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Ventura County runs at roughly 59%, so the school's eligibility rate is lower than the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Santa Susana High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 61.3%; this one delivers 59.4%.

In the broader community, Ventura County reports that median household income runs about $109,797, about 36% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. Santa Susana High is one of 238 public schools in Ventura County (combined enrollment of about 147,841 students).

Nearest neighbor: Garden Grove Elementary, around 0.3 miles off. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Santa Susana High ranks 2nd on composite proficiency, higher than the local average of 43.9%.

Geographically, the school is in an outer-ring area.

Five-year trend. Santa Susana High's enrollment has contracted 10% since 2018, when it stood at 1,154 (now 1,033). White enrollment moved from 47% to 37% across the same window. Class-load math has pulled in: from 23.3:1 in 2018 to 20.4:1 in 2025.

On the community side, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.