Enrollment
319
Elementary
DISTRICT 397 · STATE 465
SCHOOL COMMUNITY·WEST CONTRA COSTA UNIFIED·NCES 063255005026
Ellerhorst Elementary
3501 Pinole Valley Rd., Pinole, CA 94564 · (510) 231-1426 · Contra Costa County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL319 STUDENTS
B
allk12 Grade
Scored higher than 59% of California public elementary schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- A+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
19.9:1
16 FTE teachers
DISTRICT 22.0:1 · STATE 22.3:1
Free / Reduced Lunch
59%
187 students
DISTRICT 66% · 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 | 50 | 16% |
| Grade 1 | 46 | 14% |
| Grade 2 | 43 | 13% |
| Grade 3 | 46 | 14% |
| Grade 4 | 47 | 15% |
| Grade 5 | 44 | 14% |
| Grade 6 | 43 | 13% |
This year's kindergarten class (50) is 16% larger than its 6th grade class (43).
Student demographics
73%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · 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
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
50.3%
CA avg 49.1% . +10.3pp since 2014
Math
44.1%
CA avg 37.7% . +8.1pp since 2014
What this means: On the CAASPP, California's statewide test, about 50 of every 100 students at this school read and write at grade level and about 44 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 | 20.9% | 29.4% | 20.9% | 28.8% |
| Math | 16.4% | 27.7% | 26.6% | 29.4% |
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 | 50.3% | 44.1% |
| 2023-24 | 43.1% | 37.1% |
| 2022-23 | 36.0% | 35.5% |
| 2021-22 | 37.8% | 24.7% |
| 2018-19 | 38.9% | 29.9% |
| 2017-18 | 45.3% | 33.2% |
| 2016-17 | 36.0% | 23.7% |
| 2015-16 | 46.0% | 40.0% |
| 2014-15 | 40.0% | 36.0% |
% 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
43.6%
composite math + reading, all grades
Predicted
45.2%
based on CA schools with similar FRL share
Beats by
-1.6pp
below demographic expectation
What this means: About 44% of students here test proficient in math and reading, compared with the roughly 45% 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 Ellerhorst Elementary
Ellerhorst Elementary's state test result (43.6% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Ellerhorst Elementary this school | 319 | 58.6% | 43.6% |
| Franklin Elementary San Diego | 380 | 64.5% | 36.3% |
| Wanda Hirsch Elementary Tracy | 359 | 64.6% | 33.0% |
| Nipaquay Elementary San Diego | 378 | 61.1% | 41.8% |
| Alta Loma Elementary Alta Loma | 328 | 61.6% | 42.3% |
| Sally Buselt Elementary Menifee | 374 | 50.0% | 53.6% |
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 Ellerhorst Elementary ranks
Among elementary schools| Measure | This school | In California | In Contra Costa County |
|---|---|---|---|
| State test proficiency ranked highest first | 43.6% | #2,187 of 5,151 | #73 of 149 |
| Math proficiency ranked highest first | 44.1% | #1,993 of 5,172 ▲ 421 | #72 of 153 ▲ 9 |
| Reading proficiency ranked highest first | 50.3% | #2,009 of 5,172 ▲ 409 | #71 of 153 ▲ 9 |
| 3-year test score change ranked biggest gain first | +15.9pp | #151 of 5,116 | #2 of 150 |
| Enrollment ranked largest first | 319 | #4,595 of 5,915 | #148 of 164 |
| Students per teacher ranked fewest first | 19.9:1 | #905 of 5,352 | #13 of 162 |
| Diversity index ranked most diverse first | 73.0% | #295 of 5,354 | #27 of 162 |
| Free and reduced lunch ranked highest share first | 58.6% | #3,540 of 5,625 | #68 of 158 |
| Enrollment change since 2017-18 ranked steepest decline first | -13.1% | #2,283 of 3,837 | #55 of 107 |
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
319
-56 (-15%) vs 2020
-28% since 1990-91, when it was 446
Student : Teacher
19.9:1
was 22.1:1
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 | 319 | 16 | 19.9:1 | 59% (187) |
| 2023-24 | 303 | 16 | 18.9:1 | 48% (145) |
| 2022-23 | 312 | 17 | 18.3:1 | 36% (112) |
| 2020-21 | 375 | 17 | 22.1:1 | 44% (164) |
| 2017-18 | 367 | 16 | 22.9:1 | 43% (156) |
| 2015-16 | 357 | 16 | 22.3:1 | 38% (135) |
| 2010-11 | 463 | N/A | N/A | 36% (165) |
| 2000-01 | 462 | 24 | 19.3:1 | 18% (84) |
| 1990-91 | 446 | 20 | 22.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Ellerhorst Elementary.
Since 2017-18: students down 13% (367 to 319); teachers unchanged (16 to 16).
About Ellerhorst Elementary
Ellerhorst Elementary is a small elementary school located in Pinole, California. It offers kindergarten through 6 and has 319 students enrolled. That is 31% below the average of about 465 students for elementary schools in California.
Federal data list 52 schools in West Contra Costa Unified, with 25,133 students enrolled.
The student body at Ellerhorst Elementary has no majority group. Hispanic students lead at 42%. Enrollment also includes 20% White, 16% Asian, 14% multiracial, and 8% Black. The school's Hispanic share is 15 points above the 28% share among Contra Costa County residents. A diversity index of 73% means there is a 73% chance two randomly chosen students at Ellerhorst Elementary are from different groups.
Ellerhorst Elementary has 16 full-time-equivalent teachers, for a student-to-teacher ratio of about 19.9:1. Elementary schools in California have an average ratio of 22.3:1. Eligibility for free or reduced-price lunch, often used to gauge student poverty, is 59%. For comparison, public schools in Contra Costa County average 45%.
Ellerhorst Elementary holds a B allk12 Grade, placing it above 59% of California public elementary schools.
A school with Ellerhorst Elementary's lunch-eligibility share in California is predicted to score 45.2%. Ellerhorst Elementary scores 43.6%, 1.6 points below that line.
American Community Survey estimates for Contra Costa County show that the median household earns about $127,229 a year, the share of adults with a bachelor's degree or higher is 45%, and roughly 6% of residents are in poverty. Across Contra Costa County, 280 public schools serve about 167,423 students.
A public school about 0.9 miles away, Valley View Elementary, is the closest to Ellerhorst Elementary. Ellerhorst Elementary has at least 8 other public schools within five miles. Ellerhorst Elementary comes in 2nd of 9 nearby schools on average proficiency.
Locale: Suburb: Large. In NCES terms, the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
From 375 students in 2020-21, enrollment decreased to 319 by 2024-25. The school's ratio dropped from 22.1:1 to 19.9:1 between 2020-21 and 2024-25.
This page collects posts and questions about Ellerhorst Elementary, such as athletics, class schedules, and weather closures. Members of the school community can share what they know.
Contra Costa County at a glance
View full county profilePopulation
1,165,012
Census ACS
Median income
$127,229
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
280
167,423 students
Quick facts
Related schools
Other schools in West Contra Costa Unified
- El Cerrito HighHigh · 1,460 students
- Richmond HighHigh · 1,280 students
- Pinole Valley HighHigh · 1,245 students
- De Anza HighHigh · 1,047 students
- Hercules HighHigh · 767 students
- John F. Kennedy HighHigh · 740 students
Other schools in Pinole
- Pinole Valley HighHigh · 1,245 students
- West County MandarinElementary · 528 students
- Pinole MiddleMiddle · 381 students
- Stewart ElementaryElementary · 379 students
- Shannon ElementaryElementary · 355 students
- Collins ElementaryElementary · 311 students
Nearby schools
- Valley View Elementary0.9 mi · 220
- Pinole Valley High1.0 mi · 1,245
- Murphy Elementary1.1 mi · 460
- Stewart Elementary1.1 mi · 379
- De Anza High1.2 mi · 1,047
- Collins Elementary1.6 mi · 311
Frequently asked questions
About Ellerhorst ElementaryWhat is the total enrollment at Ellerhorst Elementary?
Ellerhorst Elementary enrolls approximately 319 students in grades KG-06.
Is Ellerhorst Elementary an elementary, middle, or high school?
Ellerhorst Elementary is an elementary school covering grades KG-06.
How many teachers does Ellerhorst Elementary have?
Ellerhorst Elementary employs 16 FTE teachers, for a student-to-teacher ratio of 19.9:1.
What is the racial breakdown of students at Ellerhorst Elementary?
At Ellerhorst Elementary, the student body is approximately 20% White, 42% Hispanic, 8% Black, 16% Asian, 14% Two or more.
Is Ellerhorst Elementary public or private?
Ellerhorst Elementary is a public K-12 school, overseen by West Contra Costa Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.