Hidden Valley Elementary
School pathway
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 84 of every 100 students at this school read and write at grade level and about 84 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 16 points since 2014, while math scores are up about 15 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 84% of students here test proficient in math and reading, compared with the roughly 75% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Hidden Valley Elementary
Hidden Valley Elementary is a primary school of small scale in San Anselmo, California, overseen by Ross Valley Elementary, caters to 274 students in grades K through 5. By comparison, California's public schools average about 465 students each, so Hidden Valley Elementary sits 41% leaner than that benchmark.
Ross Valley Elementary comprises 5 schools with combined enrollment of 1,679 students; Hidden Valley Elementary is among them.
Looking at the student body, Hidden Valley Elementary lists that White students make up the majority at 71%; the rest looks like 16% multiracial, 12% Hispanic. Compared to Marin County overall, the school's racial mix sits in roughly the same range.
Looking at school resources, The school employs 12 full-time-equivalent teachers, for a student-teacher ratio near 22.8:1. The state averages about 22.3:1, putting this campus right in line with peers. Around 8% of the student body qualifies for free or reduced-price meals, 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 lower than the surrounding baseline.
After controlling for student poverty, Hidden Valley Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 74.5%, the actual is 84.1%, a residual of +9.6 points.
In the surrounding community, the surrounding county (Marin County) shows that median household earnings sit near $149,091, about 61% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 4%. Hidden Valley Elementary is one of 75 public schools in Marin County (combined enrollment of about 29,867 students).
Nearest neighbor: Brookside Elementary, around 1.0 miles off. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Hidden Valley Elementary at 1st of 5; the average score across the group is 64.4%.
Hidden Valley Elementary operates from a suburban location.
Over the past 7-year window. Hidden Valley Elementary's enrollment has shrank 14% since 2018, when it stood at 320 (now 274). Over the same period, the White share fell from 77% to 71%.
Within the allk12 community for this school, the feed for Hidden Valley Elementary typically covers fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.
Marin County at a glance
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- Marin's Community1.4 mi · 64