Enrollment
595
California · 2024-25 NCES data
Elementary school (grades K-5) · Oakley, CA
Summer Lake Elementary
Federal NCES profile for Summer Lake Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062808014374
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Summer Lake Elementary earns 25/100 on the Resource Investment Index, with class sizes larger than 93% of California schools. It is also more racially and ethnically mixed than most California schools.
- #5 of 8
- elementary schools in Oakley · Resource Index
- 25
- Resource Index · Lower
- 28.3:1
- large classes for California
- 34.1%
- free-lunch eligible
Summer Lake Elementary has class sizes larger than 93% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Summer Lake Elementary ranks #5 of 8 elementary schools in Oakley, CA.
School address
District: Oakley Union Elementary · California
NCES ID 062808014374 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
28.3:1
vs 21.5:1 California avg
+32% vs state
Free-lunch eligible
34.1%
vs 55.5% California avg
-39% vs state
Student-teacher ratio in context
How Summer Lake Elementary compares with California and U.S. medians
What stands out at Summer Lake Elementary
Summer Lake Elementary is a mid-sized elementary school in Oakley, California, enrolling 595 students.
Class loads run heavy: 28.3:1 is larger than about 93% of California schools and 32% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 34.1% of students eligible for free meals.
Enrollment of 595 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,410 statewide peers matched on enrollment and economic need, it ranks mid-pack at #974.
Its student body is led by Hispanic or Latino (39%) and White (22%), more mixed than most schools in the state (diversity index 75/100).
Counselor access is stretched at roughly 1488 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Oakley Union Elementary spends $13,078 per pupil, 21% below the California average, a leaner-resourced district than most.
Among Oakley's elementary schools, it stands alongside Orchard Park (751 students): Summer Lake Elementary is smaller than that campus by headcount and runs heavier classes (28.3:1 vs 24.2:1).
Oakley Union Elementary also operates Delta Vista Middle (873 students) and O'hara Park Middle (856 students) alongside Summer Lake 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 Summer Lake Elementary compares
Summer Lake 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 | 28.3:1 | ▲ 32% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 34.1% | ▼ 39% | 55.5% | 51.7% |
| Enrollment | 595 | top 33% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
28.3:1
Leaner classes than 2% of US schools, heavier class loads than most.
595
Bigger than 72% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
34.1%
free-lunch eligible
- 39% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
28.3:1
students per teacher
- 32% above state mean
Top 93% in California - lower ratio than 7% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
27.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,078
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.4 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.3 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
Hispanic or Latino 38.5%
White 22.2%
Asian 16.5%
African American 11.9%
Two or More 10.1%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 38.5% of enrollment.
Student-body diversity index 75.1/100
Simpson diversity index - at 75.1, Summer Lake Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Oakley Union Elementary, which includes Summer Lake Elementary.
$13,078
Per student
-21%
vs California
Avg $16,509
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 35.8%
State 56.0%
Federal 8.1%
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 Summer Lake Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Delta Vista Middle | Larger | Similar economic need | Lower S:T ratio |
| O'hara Park Middle | Larger | Similar economic need | Lower S:T ratio |
| Gehringer Elementary | Similar size | Similar economic need | Lower S:T ratio |
| Iron House Elementary | Similar size | Similar economic need | Lower S:T ratio |
| Vintage Parkway Elementary | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Summer Lake Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 873
- Students per teacher
- 20.8:1
- Resource Index
- 24/100
- Enrollment
- 856
- Students per teacher
- 23.8:1
- Resource Index
- 28/100
- Enrollment
- 663
- Students per teacher
- 25.5:1
- Resource Index
- 7/100
- Enrollment
- 503
- Students per teacher
- 24:1
- Resource Index
- 24/100
- Enrollment
- 481
- Students per teacher
- 26.7:1
- Resource Index
- 28/100
Similar elementary schools in Oakley
6 comparable elementary schools (grades K-5) serving the same city.
Orchard Park
Standard public school
751 students 24.2:1 students per teacher
Gehringer Elementary
Standard public school
663 students 25.5:1 students per teacher
Iron House Elementary
Standard public school
503 students 24:1 students per teacher
Vintage Parkway Elementary
Standard public school
481 students 26.7:1 students per teacher
Almond Grove Elementary
Standard public school
427 students 21.4:1 students per teacher
Oakley Elementary
Standard public school
379 students 23.7:1 students per teacher
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.
Similar enrollment (~595 students)
Similar student-teacher ratio (~28.3:1)
Next steps
Verify locally before acting on Summer Lake Elementary's federal record.
- Compare Summer Lake Elementary against another school. Compare schools
- Oakley Union Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Summer Lake Elementary
How many students attend Summer Lake Elementary?
Summer Lake Elementary has 595 students enrolled. It is an elementary school in Oakley, CA.
What is the student-teacher ratio at Summer Lake Elementary?
The student-teacher ratio at Summer Lake Elementary is 28.3:1, which is 32% higher than the California average of 21.5:1 and 80% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Summer Lake Elementary?
34.1% of students at Summer Lake Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Summer Lake Elementary?
The largest demographic group at Summer Lake Elementary is Hispanic or Latino at 38.5% of enrollment, in Oakley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.1/100.
What is the Resource Investment Index for Summer Lake Elementary?
Summer Lake Elementary has a Resource Investment Index of 25/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Summer Lake Elementary rank among elementary schools in Oakley?
By Resource Investment Index, Summer Lake Elementary ranks #5 of 8 elementary schools in Oakley, 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 Oakley on the city page.
Is Summer Lake Elementary a good school?
Summer Lake Elementary earns 25/100 on the Resource Investment Index, with class sizes larger than 93% of California schools. It is also more racially and ethnically mixed than most California schools. 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 Oakley Union Elementary?
Besides Summer Lake Elementary, Oakley Union Elementary also operates Delta Vista Middle (873 students), O'hara Park Middle (856 students), and Gehringer Elementary (663 students). See the Oakley Union Elementary district page for the complete list.
Related tools
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.