Sierra Vista Junior High

Sierra Vista Junior High is a mid-tier middle school in Canyon Country, California, overseen by William S. Hart Union High. The school caters to 946 students in grades 7 through 8. Enrollment runs roughly 44% larger than the state mean of about 659.

William S. Hart Union High comprises 16 schools with combined enrollment of 20,465 students; Sierra Vista Junior High is among them.

Demographically, Sierra Vista Junior High shows that the largest single group is Hispanic, at 69% of enrollment. Other groups include 22% White, 4% Asian, 2% Black, 2% multiracial. That is meaningfully more Hispanic than the county at large, where the share is closer to 48%.

Looking at the economic backdrop, The school currently runs with 46 full-time-equivalent teachers, for a student-teacher ratio near 20.4:1. That tracks the state average closely. Around 43% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, Los Angeles County runs at roughly 70%, so the school's eligibility rate is somewhat below the surrounding baseline.

With demographic context factored in, Sierra Vista Junior High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 53.6%, the actual is 41.3%, a residual of -12.3 points.

In the surrounding community, ACS estimates for Los Angeles County put the typical household earns roughly $90,112 per year, about 36% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), Sierra Vista Junior High is one campus in the mix.

The closest other public school is Canyon Springs Community Elementary, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Sierra Vista Junior High. Among the 9 schools in that immediate cluster with test data (this one included), Sierra Vista Junior High ranks 8th on composite proficiency, beneath the local average of 45.5%.

The school occupies a bedroom-community site.

Trend over the last 7 years. Sierra Vista Junior High's enrollment has declined 10% since 2018, when it stood at 1,050 (now 946). Hispanic enrollment moved from 56% to 69% across the same window. Class-load math has pulled in: from 22.1:1 in 2018 to 20.4:1 in 2025.

On allk12, members of the Sierra Vista Junior High community share and discuss science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.