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SCHOOL COMMUNITY·WEST CONTRA COSTA UNIFIED·NCES 063255005049

Olinda Elementary

5855 Olinda Rd., El Sobrante, CA 94803 · (510) 231-1452 · Contra Costa County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL318 STUDENTS
C+
allk12 Grade
Scored higher than 36% 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.
  • CThree-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

Enrollment
318
Elementary
DISTRICT 397 · STATE 465
Student : Teacher
22.7:1
14 FTE teachers
DISTRICT 22.0:1 · STATE 22.3:1
Free / Reduced Lunch
40%
126 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

GradeStudentsShare
Kindergarten6219%
Grade 13812%
Grade 23912%
Grade 34414%
Grade 44414%
Grade 54514%
Grade 64614%

This year's kindergarten class (62) is 35% larger than its 6th grade class (46).

Student demographics
75%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 62% · US 70%
White
3812%
DISTRICT 10% · STATE 20% · US 43%
Hispanic
11035%
DISTRICT 55% · STATE 56% · US 30%
Black
3812%
DISTRICT 11% · STATE 5% · US 15%
Asian
9129%
DISTRICT 16% · STATE 12% · US 6%
Two+
3912%
DISTRICT 7% · STATE 6% · US 5%
Pacific Islander
21%
DISTRICT 1% · STATE 0% · US 0%
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
Male
17254%
Female
14646%

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
47.6%
CA avg 49.1% . -11.4pp since 2014
Math
46.7%
CA avg 37.7% . +1.7pp since 2014

What this means: On the CAASPP, California's statewide test, about 48 of every 100 students at this school read and write at grade level and about 47 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 11 points since 2014, while math scores are up about 2 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts22.4%25.3%24.7%27.6%
Math22.8%23.9%28.1%25.1%
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 yearEnglish Language ArtsMath
2024-2547.6%46.7%
2023-2445.9%43.5%
2022-2344.0%49.1%
2021-2250.9%47.3%
2018-1947.9%43.0%
2017-1852.2%43.5%
2016-1756.2%42.5%
2015-1651.0%42.0%
2014-1559.0%45.0%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
46.2%
composite math + reading, all grades
Predicted
56.3%
based on CA schools with similar FRL share
Beats by
-10.1pp
below demographic expectation

What this means: About 46% of students here test proficient in math and reading, compared with the roughly 56% 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 Olinda Elementary

Olinda Elementary's state test result (46.2% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Olinda Elementary this school31839.6%46.2%
King (Thomas Starr) Elementary
San Francisco
33338.4%63.2%
Matsuyama Elementary
Sacramento
43543.7%59.1%
Sonia Sotomayor Elementary
Chula Vista
48841.8%57.2%
Los Cerritos Elementary
Long Beach
45336.2%65.4%
Hanna Ranch Elementary
Hercules
42139.7%49.5%
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 Olinda Elementary ranks

Among elementary schools
MeasureThis schoolIn CaliforniaIn Contra Costa County
State test proficiency
ranked highest first
46.2%#1,986 of 5,151#69 of 149
Math proficiency
ranked highest first
46.7%#1,808 of 5,172
▲ 120
#66 of 153
▲ 9
Reading proficiency
ranked highest first
47.6%#2,223 of 5,172
▼ 26
#76 of 153
no change
3-year test score change
ranked biggest drop first
-1.9pp#1,255 of 5,116#48 of 150
Enrollment
ranked largest first
318#4,604 of 5,915#149 of 164
Students per teacher
ranked fewest first
22.7:1#2,758 of 5,352#80 of 162
Diversity index
ranked most diverse first
75.5%#91 of 5,354#8 of 162
Free and reduced lunch
ranked highest share first
39.6%#4,351 of 5,625#95 of 158
Enrollment change since 2017-18
ranked steepest decline first
-9.1%#2,809 of 3,837#72 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 2024-25
Enrollment
318
-40 (-11%) vs 2020
-20% since 1990-91, when it was 400
Student : Teacher
22.7:1
was 25.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-253181422.7:140% (126)
2023-243191422.8:134% (109)
2022-233331423.8:128% (93)
2020-213581425.6:132% (113)
2017-1835013.426.1:134% (119)
2015-163231324.9:131% (99)
2010-11343N/AN/A28% (96)
2000-013541720.8:121% (73)
1990-914001428.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Olinda Elementary.

Since 2017-18: students down 9% (350 to 318); teachers up 4% (13.4 to 14).

About Olinda Elementary

As a small elementary school, Olinda Elementary serves students in El Sobrante, California. The school counts 318 students across kindergarten through 6. The school's enrollment is 32% smaller than the 465 average for elementary schools in California.

West Contra Costa Unified counts 52 schools and 25,133 students, including Olinda Elementary.

Hispanic students are the largest group at Olinda Elementary, with 35% of enrollment. Beyond that, enrollment is 29% Asian, 12% multiracial, 12% White, and 12% Black. Olinda Elementary has a diversity index of 75%, compared with 70% for all US public school students.

Olinda Elementary employs 14 full-time-equivalent teachers. That gives a ratio of about 22.7:1. Across elementary schools in California, the average ratio is about 22.3:1. Free or reduced-price lunch eligibility was 40% in 2024-25.

allk12 grades Olinda Elementary a C+. The grade compares the school only with California public elementary schools, because each state gives its own test.

The school's average proficiency rate on state tests is 46.2%. For its free or reduced-price lunch share, the predicted value is 56.3%.

Census estimates describe Contra Costa County this way: median household income is about $127,229, the share of adults with a bachelor's degree or higher is 45%, and roughly 6% of residents are in poverty. The public schools of Contra Costa County number 280 and enroll about 167,423.

Nearby, Valley View Elementary is about 1.2 miles away. Other public schools within five miles number at least 8. Olinda Elementary is 2nd of 9 nearby schools by average proficiency rate.

On the NCES locale scale, the school is Suburb: Large.

Federal counts put enrollment at 358 in 2020-21 and 318 in 2024-25, an 11% decrease. Federal data show the ratio falling from 25.6:1 to 22.7:1.

Families, students, and staff can use this page to discuss science fairs, picture day, and bus routes at Olinda Elementary. Alumni can share how the school prepared them.

Contra Costa County at a glance

View full county profile
Population
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

School name
Olinda Elementary
District
West Contra Costa Unified
Address
5855 Olinda Rd., El Sobrante, CA 94803
Phone
(510) 231-1452
County
Contra Costa County
Level
Elementary
Grade range
KG–06
Total enrollment
318
Teachers (FTE)
14
Student–teacher ratio
22.7:1
Free and reduced lunch
126 (40%)
Locale
21-Suburb: Large
NCES ID
063255005049
Charter school
No
Virtual school
No

Related schools

Other schools in West Contra Costa Unified
Other schools in El Sobrante
Other Olinda Elementary schools

One other US public school is named Olinda Elementary. Olinda Elementary is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About Olinda Elementary
What is the total enrollment at Olinda Elementary?
Olinda Elementary enrolls approximately 318 students in grades KG-06.
What age range does Olinda Elementary serve?
Olinda Elementary serves students from grade KG through grade 06.
How many students per teacher at Olinda Elementary?
Approximately 22.7:1 students per teacher at Olinda Elementary.
How diverse is Olinda Elementary?
Olinda Elementary reports a student body of 12% White, 35% Hispanic, 12% Black, 29% Asian, 12% Two or more.
What district is Olinda Elementary in?
Olinda Elementary is part of West Contra Costa Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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