Mar Vista Senior High

Mar Vista Senior High is a 9-12 campus of medium-sized scale in Imperial Beach, California, run under Sweetwater Union High, instructing 1,216 students in grades 9 through 12. That puts it 45% above the typical public school in California, which averages around 838 students.

Mar Vista Senior High is one of 28 schools operated by Sweetwater Union High, a district that instructs 33,517 students overall.

On demographics, Mar Vista Senior High reports that Hispanic students make up the majority at 72%; the rest consists of 16% White, 6% Asian, 3% multiracial, 2% Black. By comparison, San Diego County as a whole is about 35% Hispanic, so the school skews meaningfully more Hispanic than its surroundings.

On the resource side, Mar Vista Senior High logs 55 full-time-equivalent teachers, putting the student-to-teacher ratio at about 22.2:1. The state averages around 18.2:1, so this campus is higher than the state norm typical. An estimated 77% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is above San Diego County's rate of about 54%.

On a residual basis (actual vs predicted given the student mix), Mar Vista Senior High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 33.7%; this one delivers 37.0%.

Zooming out to the county, community-level numbers for San Diego County indicate median household income runs about $106,268, 43% of adults hold a bachelor's degree or higher, and roughly 7% of residents live below the federal poverty line. In all, San Diego County runs 766 public schools (combined enrollment of about 467,437 students), of which Mar Vista Senior High is one.

Imperial Beach Charter is the nearest neighboring public school, about 0.1 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Mar Vista Senior High ranks 2nd on composite proficiency, above the local average of 26.0%.

Mar Vista Senior High operates from a residential location.

Five-year trend. Mar Vista Senior High's enrollment has ticked down 26% since 2018, when it stood at 1,649 (now 1,216). The White share of enrollment climbed from 11% to 16% over that span. Class-load math has narrowed: from 24.8:1 in 2018 to 22.2:1 in 2025.

Inside the community feed, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.