San Geronimo Valley Elementary

San Geronimo Valley Elementary is an elementary-level community of very small scale in San Geronimo, California, overseen by Lagunitas Elementary, serveing 93 students in grades K through 6. By comparison, California's public schools average about 465 students each, so San Geronimo Valley Elementary sits 80% smaller than that benchmark.

San Geronimo Valley Elementary is one of 2 schools operated by Lagunitas Elementary, a district that instructs 161 students overall.

In terms of who attends, San Geronimo Valley Elementary shows that the largest single group is White, at 66% of enrollment. Other groups include 18% Hispanic, 15% multiracial. That mix tracks the wider county fairly closely.

In terms of school funding signals, San Geronimo Valley Elementary logs 5 full-time-equivalent teachers, putting the student-to-teacher ratio at about 18.6:1. The state averages around 22.3:1, so this campus is tighter than the state norm typical. An estimated 18% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Marin County runs at roughly 35%, so the school's eligibility rate is meaningfully below the surrounding baseline.

After controlling for student poverty, San Geronimo Valley Elementary falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 68.6%; this one comes in at 45.2%, -23.4 points off the demographic line.

In the broader community, ACS estimates for Marin County put the typical household earns roughly $149,091 per year, about 61% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 4%. San Geronimo Valley Elementary is one of 75 public schools in Marin County (combined enrollment of about 29,867 students).

Lagunitas Elementary is the nearest neighboring public school, about 0.0 miles from this campus. Within five miles, there are 5 other public schools. On composite proficiency, San Geronimo Valley Elementary comes 7th of 7 in the immediate cluster, below the nearby-schools average of 69.7%.

San Geronimo Valley Elementary operates from a low-density location.

Over the past 7-year window. San Geronimo Valley Elementary's enrollment has expanded 9% since 2018, when it stood at 85 (now 93). The White share of enrollment declined from 84% to 66% over that span. Class-load math has fell: from 21.3:1 in 2018 to 18.6:1 in 2025.

Inside the community feed, members of the San Geronimo Valley Elementary community share and discuss pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.