Castillero Middle

Set in San Jose, California, Castillero Middle is an average-sized middle school, one of the schools within San Jose Unified. It serves 865 students across grades 6 through 8. By comparison, California's public schools average about 659 students each, so Castillero Middle sits 31% larger than that benchmark.

Within San Jose Unified, which oversees 41 schools and 24,322 students, Castillero Middle is one campus in the system.

Demographically, Castillero Middle lists that the largest single group is Hispanic at 40%, but no single group is in the majority. Other groups include 32% White, 17% Asian, 10% multiracial. By comparison, Santa Clara County as a whole is about 25% Hispanic, so the school skews visibly more Hispanic than its surroundings.

Looking at the economic backdrop, Staff filings list 38 full-time-equivalent teachers, which works out to roughly 22.8:1 students per teacher. The state averages around 20.7:1, so this campus is higher than the state norm typical. Around 32% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment.

On a demographically-adjusted basis, Castillero Middle performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 60.4%, the actual is 53.5%, a residual of -6.9 points.

Zooming out to the county, community-level numbers for Santa Clara County indicate the typical household earns roughly $164,281 per year, 57% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. Across Santa Clara County's 412 public schools (combined enrollment of about 230,059 students), Castillero Middle is one campus in the mix.

The closest other public school is Simonds Elementary, roughly 0.6 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Castillero Middle comes 9th of 9 in the immediate cluster, beneath the nearby-schools average of 73.5%.

Geographically, the school is in an urban area.

Over the past 7-year window. Looking back 7 years, enrollment at Castillero Middle has ticked down 26%, going from 1,167 students in 2018 to 865 in 2025. The White share of enrollment fell from 37% to 32% over that span. Class-load math has rose: from 21.7:1 in 2018 to 22.8:1 in 2025.

On the community side, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.