Elementary school (grades K-5) · San Anselmo, CA

Hidden Valley Elementary

Federal NCES profile for Hidden Valley Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.

2024-25 NCES dataElementary school (grades K-5)NCES 060000612911
0/100100/10040/100
👥 S:T ratio
9
🌟 Gifted program
30
📋 Attendance
82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Hidden Valley Elementary earns 40/100 on the Resource Investment Index, with class sizes near the California median.

#1 of 3
elementary schools in San Anselmo · Resource Index
40
Resource Index · Typical
22.8:1
students per teacher
7.5%
free-lunch eligible

Hidden Valley Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Hidden Valley Elementary ranks #1 of 3 elementary schools in San Anselmo, CA.

Enrollment

274

California · 2024-25 NCES data

Teachers (FTE)

12.0

Federal CCD staff survey

Students per teacher

22.8:1

vs 21.5:1 California avg

+6% vs state

Free-lunch eligible

7.5%

vs 55.5% California avg

-86% vs state

Student-teacher ratio in context

How Hidden Valley Elementary compares with California and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Hidden Valley Elementary

Hidden Valley Elementary is a lower-poverty, mid-sized elementary school in San Anselmo, California, enrolling 274 students.

Class loads run somewhat heavier than typical: 22.8:1 puts it in the larger third of California schools by student-teacher ratio.

Comparatively few students face economic hardship here, 7.5% free-meal eligibility runs 86% below the California average.

Enrollment of 274 puts it in the smaller third of California schools by headcount.

Its Resource Investment Index lands in the upper third of 9,998 scored California schools.

Against 217 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #79.

Its student body is led by White (71%) and Two or More (17%) (diversity index 45/100).

Attendance holds up well here: only 7.3% of students were chronically absent, below the typical post-pandemic national figure.

Among San Anselmo's elementary schools, it stands alongside Wade Thomas Elementary (292 students): Hidden Valley Elementary is smaller than that campus by headcount and runs heavier classes (22.8:1 vs 22.5:1).

Ross Valley Elementary also operates White Hill Middle (601 students) and Wade Thomas Elementary (292 students) alongside Hidden Valley Elementary.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Hidden Valley Elementary compares

Hidden Valley Elementary on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 22.8:1 ▲ 6% 21.5:1 15.7:1
Free-lunch eligible 7.5% ▼ 86% 55.5% 51.7%
Enrollment 274 top 77% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

22.8:1
Leaner classes than 9% of US schools, heavier class loads than most.
274
Bigger than 29% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
7.5%
free-lunch eligible - 86% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
22.8:1
students per teacher - 6% above state mean
Top 61% in California - lower ratio than 39% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
7.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$14,466
per pupil, district-wide - below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

White 71.1%
Two or More 16.5%
Hispanic or Latino 11.7%
Asian 0.7%

Largest group: White at 71.1% of enrollment.

Student-body diversity index 45.4/100

Simpson diversity index - at 45.4, Hidden Valley Elementary is about as mixed as the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Ross Valley Elementary, which includes Hidden Valley Elementary.

$14,466
Per student
-12%
vs California
Avg $16,509
-13%
vs U.S.
Avg $16,593
Revenue mix
Local 62.5%
State 35.2%
Federal 2.2%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Hidden Valley Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
White Hill Middle Larger Similar economic need Lower S:T ratio
Wade Thomas Elementary Similar size Similar economic need Similar S:T ratio
Brookside Elementary Similar size Similar economic need Similar S:T ratio
Manor Elementary Similar size Similar economic need Similar S:T ratio

Comparisons are relative to Hidden Valley Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Ross Valley Elementary · 4 sibling schools

View district profile

Similar elementary schools in San Anselmo

2 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Hidden Valley Elementary's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Hidden Valley Elementary

How many students attend Hidden Valley Elementary?

Hidden Valley Elementary has 274 students enrolled. It is an elementary school in San Anselmo, CA.

What is the student-teacher ratio at Hidden Valley Elementary?

The student-teacher ratio at Hidden Valley Elementary is 22.8:1, which is 6% higher than the California average of 21.5:1 and 45% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Hidden Valley Elementary?

7.5% of students at Hidden Valley Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Hidden Valley Elementary?

The largest demographic group at Hidden Valley Elementary is White at 71.1% of enrollment, in San Anselmo, CA.

What is the Resource Investment Index for Hidden Valley Elementary?

Hidden Valley Elementary has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Hidden Valley Elementary rank among elementary schools in San Anselmo?

By Resource Investment Index, Hidden Valley Elementary ranks #1 of 3 elementary schools in San Anselmo, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in San Anselmo on the city page.

Is Hidden Valley Elementary a good school?

Hidden Valley Elementary earns 40/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Ross Valley Elementary?

Besides Hidden Valley Elementary, Ross Valley Elementary also operates White Hill Middle (601 students), Wade Thomas Elementary (292 students), and Brookside Elementary (278 students). See the Ross Valley Elementary district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.