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SCHOOL COMMUNITY·SAN LORENZO UNIFIED·NCES 063471005850

Del Rey Elementary

1510 Via Sonya, San Lorenzo, CA 94580 · (510) 317-5000 · Alameda County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL373 STUDENTS
C
allk12 Grade
Scored higher than 31% of California public elementary schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B-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

Enrollment
373
Elementary
DISTRICT 395 · STATE 465
Student : Teacher
23.3:1
16 FTE teachers
DISTRICT 22.5:1 · STATE 22.3:1
Free / Reduced Lunch
69%
258 students
DISTRICT 75% · 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
Kindergarten9726%
Grade 15114%
Grade 24913%
Grade 35414%
Grade 46317%
Grade 55916%

This year's kindergarten class (97) is 64% larger than its 5th grade class (59).

Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 58% · STATE 62% · US 70%
White
308%
DISTRICT 5% · STATE 20% · US 43%
Hispanic
23162%
DISTRICT 60% · STATE 56% · US 30%
Black
82%
DISTRICT 7% · STATE 5% · US 15%
Asian
6919%
DISTRICT 21% · STATE 12% · US 6%
Two+
246%
DISTRICT 4% · STATE 6% · US 5%
Pacific Islander
103%
DISTRICT 2% · 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
18449%
Female
18850%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
31.3%
CA avg 49.1% . +7.3pp since 2014
Math
32.2%
CA avg 37.7% . +11.2pp since 2014

What this means: On the CAASPP, California's statewide test, about 31 of every 100 students at this school read and write at grade level and about 32 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 7 points since 2014, while math scores are up about 11 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts12.5%18.8%29.6%39.2%
Math15.5%16.7%30.5%37.4%
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 yearEnglish Language ArtsMath
2024-2531.3%32.2%
2023-2432.8%36.8%
2022-2333.9%32.5%
2021-2230.9%26.7%
2018-1929.1%26.6%
2017-1825.6%25.9%
2016-1725.5%19.3%
2015-1624.0%21.0%
2014-1524.0%21.0%
% 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
33.0%
composite math + reading, all grades
Predicted
39.0%
based on CA schools with similar FRL share
Beats by
-6.0pp
below demographic expectation

What this means: About 33% of students here test proficient in math and reading, compared with the roughly 39% 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 Del Rey Elementary

Del Rey Elementary's state test result (33.0% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Del Rey Elementary this school37369.2%33.0%
Golden Springs Elementary
Diamond Bar
38872.2%47.5%
Hillview Crest Elementary
Hayward
42072.6%30.7%
Arthur F. Corey Elementary
Buena Park
34173.9%53.5%
Allen (Decima M.) Elementary
San Bruno
39664.9%43.5%
Willow Elementary
Glendora
38870.6%56.5%
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 Del Rey Elementary ranks

Among elementary schools
MeasureThis schoolIn CaliforniaIn Alameda County
State test proficiency
ranked highest first
33.0%#3,166 of 5,151#124 of 189
Math proficiency
ranked highest first
32.2%#2,999 of 5,172
▼ 558
#128 of 192
▼ 10
Reading proficiency
ranked highest first
31.3%#3,850 of 5,172
▼ 384
#141 of 192
▼ 2
3-year test score change
ranked biggest gain first
+2.9pp#2,328 of 5,116#54 of 187
Enrollment
ranked largest first
373#4,022 of 5,915#151 of 216
Students per teacher
ranked fewest first
23.3:1#3,232 of 5,352#100 of 201
Diversity index
ranked most diverse first
56.8%#2,146 of 5,354#116 of 201
Free and reduced lunch
ranked highest share first
69.2%#3,003 of 5,625#80 of 211
Enrollment change since 2017-18
ranked steepest decline first
-29.1%#598 of 3,837#26 of 138
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
373
-93 (-20%) vs 2020
-47% since 1990-91, when it was 701
Student : Teacher
23.3:1
was 23.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-253731623.3:169% (258)
2023-243611524.1:165% (236)
2022-2339416.324.2:170% (275)
2020-214662023.3:154% (252)
2017-185262322.9:162% (326)
2015-165242421.8:167% (351)
2010-11542N/AN/A48% (262)
2000-016343319.2:124% (154)
1990-917012726.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Del Rey Elementary.

Since 2017-18: students down 29% (526 to 373); teachers down 30% (23 to 16).

About Del Rey Elementary

Del Rey Elementary is a small elementary school serving families in San Lorenzo, California. It educates 373 students in kindergarten through 5.

Enrollment across the 16 schools in San Lorenzo Unified totals 7,936 students.

At 62%, Hispanic students outnumber all other groups at Del Rey Elementary combined. Smaller groups are 19% Asian, 8% White, 6% multiracial, and 3% Pacific Islander. County-wide, 23% of Alameda County residents are Hispanic. By the diversity index, Del Rey Elementary comes in at 57%.

The count of teachers at Del Rey Elementary is 16 full-time equivalents, for a ratio of 23.3:1. The average ratio among elementary schools in California is 22.3:1, lower than at this school. Around 69% of the school's students qualify for free or reduced-price meals. On average, public schools in Alameda County report 49%.

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

Test results at Del Rey Elementary are 6.0 points below what its free or reduced-price lunch share predicts (33.0% actual, 39.0% predicted).

County data help place the school in context: in Alameda County, median household income is about $129,367, about 52% of adults have at least a bachelor's degree, and the poverty rate is about 6%. Del Rey Elementary is among the 394 public schools in Alameda County.

Bay Elementary is the closest public school, about 0.6 miles away in a straight line. There are at least 8 more public schools inside five miles. On average proficiency, Del Rey Elementary is 4th of 6 nearby schools with test data.

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.

The number of students declined from 466 to 373 over 4 years.

The allk12 site hosts a discussion page for Del Rey Elementary covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.

Alameda County at a glance

View full county profile
Population
1,649,473
Census ACS
Median income
$129,367
Household, ACS
Bachelor's+
52%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
394
210,511 students

Quick facts

School name
Del Rey Elementary
District
San Lorenzo Unified
Address
1510 Via Sonya, San Lorenzo, CA 94580
Phone
(510) 317-5000
County
Alameda County
Level
Elementary
Grade range
KG–05
Total enrollment
373
Teachers (FTE)
16
Student–teacher ratio
23.3:1
Free and reduced lunch
258 (69%)
Locale
21-Suburb: Large
NCES ID
063471005850
Charter school
No
Virtual school
No

Related schools

Other schools in San Lorenzo Unified
Other schools in San Lorenzo
Other Del Rey Elementary schools

4 other US public schools in 1 state are named Del Rey Elementary. Del Rey Elementary is the 4th largest of the 5.

Nearby schools

Frequently asked questions

About Del Rey Elementary
What is the total enrollment at Del Rey Elementary?
Del Rey Elementary enrolls approximately 373 students in grades KG-05.
Is Del Rey Elementary an elementary, middle, or high school?
Del Rey Elementary is an elementary school covering grades KG-05.
How many teachers does Del Rey Elementary have?
Del Rey Elementary employs 16 FTE teachers, for a student-to-teacher ratio of 23.3:1.
What is the student diversity at Del Rey Elementary?
Student demographics at Del Rey Elementary are roughly 8% White, 62% Hispanic, 2% Black, 19% Asian, 6% Two or more.
What district is Del Rey Elementary in?
Del Rey Elementary is part of San Lorenzo Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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