Sartorette Charter

Sartorette Charter, a cozy elementary-level community in San Jose, California, overseen by Cambrian, educates 278 students, covering grades K through 5. That puts it 40% below the typical public school in California, which averages around 465 students.

Within Cambrian, which oversees 6 schools and 3,111 students, Sartorette Charter is one campus in the system.

In terms of who attends, Sartorette Charter records that the most-represented group is Hispanic (39%), with the rest of the student body spread across multiple groups; the rest is composed of 28% Asian, 23% White, 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 15 full-time-equivalent teachers, which works out to roughly 18.5:1 students per teacher. That figure is tighter than the state norm's 22.3:1 average. An estimated 21% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Santa Clara County (around 37%), the school's rate is meaningfully below typical.

On a demographically-adjusted basis, On a poverty-adjusted basis, Sartorette Charter sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 67.3%; actual is 52.5%, a gap of -14.8 points.

In the broader community, community-level numbers for Santa Clara County indicate median household earnings sit near $164,281, 57% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. In all, Santa Clara County runs 412 public schools (combined enrollment of about 230,059 students), of which Sartorette Charter is one.

Oster Elementary is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Sartorette Charter at 8th of 9; the average score across the group is 65.8%.

Geographically, the school is in a city-core area. Sartorette Charter is a charter school, which puts it inside the public-school system but outside the standard district-managed model.

Five-year trend. Looking back 7 years, enrollment at Sartorette Charter has contracted 39%, going from 459 students in 2018 to 278 in 2025. The White share of enrollment edged down from 34% to 23% over that span. Class-load math has fell: from 21.9:1 in 2018 to 18.5:1 in 2025.

Inside the community feed, members of the Sartorette Charter community share and discuss enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.