Enrollment
274
Elementary
DISTRICT 270 · STATE 465
SCHOOL COMMUNITY·ROSS VALLEY ELEMENTARY·NCES 060000612911
Hidden Valley Elementary
46 Green Valley Ct., San Anselmo, CA 94960 · (415) 454-7683 · Marin County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL274 STUDENTS
A-
allk12 Grade
Scored higher than 81% of California public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C-Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public elementary schools
Student : Teacher
22.8:1
12 FTE teachers
DISTRICT 21.5:1 · STATE 22.3:1
Free / Reduced Lunch
8%
23 students
DISTRICT 10% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 63 | 23% |
| Grade 1 | 47 | 17% |
| Grade 2 | 41 | 15% |
| Grade 3 | 39 | 14% |
| Grade 4 | 36 | 13% |
| Grade 5 | 48 | 18% |
This year's kindergarten class (63) is 31% larger than its 5th grade class (48).
Student demographics
45%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 46% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Hidden Valley Elementary→White Hill Middle
Based on grade levels within Ross Valley Elementary. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
77.6%
CA avg 49.1% . +9.6pp since 2014
Math
77.0%
CA avg 37.7% . +8.0pp since 2014
What this means: On the CAASPP, California's statewide test, about 78 of every 100 students at this school read and write at grade level and about 77 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 10 points since 2014, while math scores are up about 8 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 53.6% | 24.0% | 15.2% | 7.2% |
| Math | 47.6% | 29.4% | 17.5% | 5.6% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 77.6% | 77.0% |
| 2023-24 | 84.3% | 83.7% |
| 2022-23 | 74.5% | 80.1% |
| 2021-22 | 76.6% | 87.4% |
| 2020-21 | 80.2% | 76.2% |
| 2018-19 | 76.2% | 80.5% |
| 2017-18 | 71.7% | 73.2% |
| 2016-17 | 67.7% | 74.7% |
| 2015-16 | 72.0% | 64.0% |
| 2014-15 | 68.0% | 69.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
80.8%
composite math + reading, all grades
Predicted
74.6%
based on CA schools with similar FRL share
Beats by
+6.2pp
above demographic expectation
What this means: About 81% 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%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Hidden Valley Elementary
Hidden Valley Elementary's state test result (80.8% proficient) is higher than 1 of the 3 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Hidden Valley Elementary this school | 274 | 8.4% | 80.8% |
| Brookside Elementary San Anselmo | 278 | 10.4% | 71.7% |
| Wade Thomas Elementary San Anselmo | 292 | 7.2% | 82.2% |
| Cardiff Elementary Cardiff-by-the-Sea | 259 | 11.2% | N/A |
| Old Mill Elementary Mill Valley | 261 | 3.8% | 85.4% |
| Creekside Charter Olympic Valley | 233 | 6.9% | N/A |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Hidden Valley Elementary ranks
Among elementary schools| Measure | This school | In California | In Marin County |
|---|---|---|---|
| State test proficiency ranked highest first | 80.8% | #192 of 5,151 | #7 of 34 |
| Math proficiency ranked highest first | 77.0% | #343 of 5,172 ▼ 221 | #11 of 35 ▼ 6 |
| Reading proficiency ranked highest first | 77.6% | #374 of 5,172 ▼ 268 | #10 of 35 ▼ 7 |
| 3-year test score change ranked biggest drop first | -4.7pp | #609 of 5,116 | #3 of 35 |
| Enrollment ranked largest first | 274 | #4,961 of 5,915 | #29 of 44 |
| Students per teacher ranked fewest first | 22.8:1 | #2,849 of 5,352 | #29 of 35 |
| Diversity index ranked most diverse first | 45.4% | #3,114 of 5,354 | #24 of 35 |
| Free and reduced lunch ranked highest share first | 8.4% | #5,510 of 5,625 | #27 of 37 |
| Enrollment change since 2017-18 ranked steepest decline first | -14.4% | #2,104 of 3,837 | #14 of 26 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
274
+19 (+7%) vs 2020
Student : Teacher
22.8:1
was 21.3:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 274 | 12 | 22.8:1 | 8% (23) |
| 2023-24 | 283 | 13 | 21.8:1 | 10% (27) |
| 2022-23 | 279 | 12.4 | 22.5:1 | 8% (21) |
| 2020-21 | 255 | 12 | 21.3:1 | 8% (20) |
| 2017-18 | 320 | 14 | 22.9:1 | 10% (32) |
| 2015-16 | 365 | 17 | 21.5:1 | 8% (30) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Hidden Valley Elementary.
Since 2017-18: students down 14% (320 to 274); teachers down 14% (14 to 12).
About Hidden Valley Elementary
Hidden Valley Elementary is a low-enrollment elementary school found in San Anselmo, California. The school serves kindergarten through 5. Enrollment is 274 students. It has 41% fewer students than the average for elementary schools in California (about 465).
Hidden Valley Elementary is one of the 5 schools that make up Ross Valley Elementary (1,679 students in total).
About 71% of the student body at Hidden Valley Elementary is White. Other groups include 16% multiracial and 12% Hispanic. Marin County residents are about 68% White, a similar share. A diversity index of 45% means there is a 45% chance two randomly chosen students at Hidden Valley Elementary are from different groups.
The student-to-teacher ratio is 22.8:1. The school has 12 full-time-equivalent teachers. The ratio is within a point of the 22.3:1 average for elementary schools in California. Federal data show 8% of students (23) are eligible for free or reduced-price lunch. Among public schools in Marin County, the average eligibility rate is 35%.
Hidden Valley Elementary earns an A- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 81% of California public elementary schools.
The model predicts 74.6% for a school in California with Hidden Valley Elementary's free or reduced-price lunch share. Hidden Valley Elementary posts 80.8%.
The school is in Marin County, where the median household earns about $149,091 a year, a bachelor's degree or higher is held by about 61% of adults, and the poverty rate is about 4%. Across Marin County, 75 public schools serve about 29,867 students.
Straight-line distance to the nearest public school, Brookside Elementary, is about 1.0 miles. Within five miles are at least 8 other public schools. Ranked by average proficiency, Hidden Valley Elementary places 1st out of 5 schools in its immediate area.
NCES lists the school's locale as Suburb: Large. That means it sits in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Over the 4 years from 2020-21 to 2024-25, enrollment rose 7%. The ratio was 21.3:1 in 2020-21 and 22.8:1 in 2024-25.
People can post here about homework, tutoring, and testing dates and other school topics. Members of the school community can share what they know.
Marin County at a glance
View full county profilePopulation
257,969
Census ACS
Median income
$149,091
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
75
29,867 students
Quick facts
Related schools
Other schools in Ross Valley Elementary
- White Hill MiddleMiddle · 601 students
- Wade Thomas ElementaryElementary · 292 students
- Brookside ElementaryElementary · 278 students
- Manor ElementaryElementary · 234 students
Other schools in San Anselmo
- Archie Williams HighHigh · 1,141 students
- Wade Thomas ElementaryElementary · 292 students
- Brookside ElementaryElementary · 278 students
Other Hidden Valley Elementary schools
5 other US public schools in 4 states are named Hidden Valley Elementary. Hidden Valley Elementary is the 5th largest of the 6.
- Hidden Valley ElementaryMartinez, CA · 831 students
- Hidden Valley ElementarySanta Rosa, CA · 468 students
- Hidden Valley ElementaryCharlotte, NC · 808 students
- Hidden Valley ElementarySAVAGE, MN · 472 students
- Hidden Valley ElementaryRENO, NV · 222 students
Nearby schools
- Brookside Elementary1.0 mi · 278
- Terra Linda High1.1 mi · 1,248
- Vallecito Elementary1.2 mi · 408
- Manor Elementary1.3 mi · 234
- Phoenix Academy1.4 mi · 3
- Marin County Special Education1.4 mi · 215
Frequently asked questions
About Hidden Valley ElementaryWhat is the total enrollment at Hidden Valley Elementary?
Hidden Valley Elementary enrolls approximately 274 students in grades KG-05.
What grades does Hidden Valley Elementary serve?
Hidden Valley Elementary serves grades KG-05.
What is the student-teacher ratio at Hidden Valley Elementary?
The student-to-teacher ratio at Hidden Valley Elementary is approximately 22.8:1 (12 FTE teachers).
What is the racial breakdown of students at Hidden Valley Elementary?
At Hidden Valley Elementary, the student body is approximately 71% White, 12% Hispanic, 1% Asian, 16% Two or more.
Is Hidden Valley Elementary public or private?
Hidden Valley Elementary is a public K-12 school, overseen by Ross Valley Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.