Enrollment
613
California · 2024-25 NCES data
Elementary school (grades K-5) · Castro Valley, CA
Proctor Elementary
Federal NCES profile for Proctor Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060780000749
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 64
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Proctor Elementary earns 23/100 on the Resource Investment Index, with class sizes larger than 82% of California schools. It is also more racially and ethnically mixed than most California schools.
- #6 of 9
- elementary schools in Castro Valley · Resource Index
- 23
- Resource Index · Lower
- 25.5:1
- large classes for California
- 13.7%
- free-lunch eligible
Proctor Elementary has class sizes larger than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Proctor Elementary ranks #6 of 9 elementary schools in Castro Valley, CA.
School address
District: Castro Valley Unified · California
NCES ID 060780000749 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
25.5:1
vs 21.5:1 California avg
+19% vs state
Free-lunch eligible
13.7%
vs 55.5% California avg
-75% vs state
Student-teacher ratio in context
How Proctor Elementary compares with California and U.S. medians
What stands out at Proctor Elementary
Proctor Elementary is a lower-poverty, mid-sized elementary school in Castro Valley, California, enrolling 613 students.
Class loads run somewhat heavier than typical: 25.5:1 puts it in the larger third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 13.7% free-meal eligibility runs 75% below the California average.
Enrollment of 613 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.
Among 1,096 similarly sized, similarly resourced-need California schools statewide, it ranks #982, in the lower tier once campus size and economic need are matched.
Its student body is led by Asian (40%) and White (22%), more mixed than most schools in the state (diversity index 73/100).
Counselor access is stretched at roughly 557 students per counselor, well above the ASCA-recommended 250:1 ceiling.
14.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Castro Valley Unified spends $13,179 per pupil, 20% below the California average, a leaner-resourced district than most.
Among Castro Valley's elementary schools, it stands alongside Independent Elementary (662 students): Proctor Elementary is smaller than that campus by headcount and runs heavier classes (25.5:1 vs 24.5:1).
Castro Valley Unified also operates Castro Valley High (2,874 students) and Canyon Middle (1,418 students) alongside Proctor 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 Proctor Elementary compares
Proctor 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 | 25.5:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 13.7% | ▼ 75% | 55.5% | 51.7% |
| Enrollment | 613 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.5:1
Leaner classes than 4% of US schools, heavier class loads than most.
613
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
13.7%
free-lunch eligible
- 75% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
25.5:1
students per teacher
- 19% above state mean
Top 82% in California - lower ratio than 18% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
14.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$13,179
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
Counselors1.1 FTE
Per 557 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 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
Asian 39.6%
White 21.9%
Two or More 19.7%
Hispanic or Latino 16.3%
African American 2.0%
Native Hawaiian / Pacific Islander 0.5%
Largest group: Asian at 39.6% of enrollment.
Student-body diversity index 72.9/100
Simpson diversity index - at 72.9, Proctor Elementary is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Castro Valley Unified, which includes Proctor Elementary.
$13,179
Per student
-20%
vs California
Avg $16,509
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 26.6%
State 62.3%
Federal 11.1%
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 Proctor Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Castro Valley High | Larger | Similar economic need | Similar S:T ratio |
| Canyon Middle | Larger | Higher economic need | Lower S:T ratio |
| Creekside Middle | Similar size | Similar economic need | Lower S:T ratio |
| Independent Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Vannoy Elementary | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Proctor Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,874
- Students per teacher
- 24.2:1
- Resource Index
- 29/100
- Enrollment
- 1,418
- Students per teacher
- 23.2:1
- Resource Index
- 23/100
- Enrollment
- 754
- Students per teacher
- 22.2:1
- Resource Index
- 31/100
- Enrollment
- 662
- Students per teacher
- 24.5:1
- Resource Index
- 28/100
- Enrollment
- 536
- Students per teacher
- 29.8:1
- Resource Index
- 32/100
Similar elementary schools in Castro Valley
6 comparable elementary schools (grades K-5) serving the same city.
Independent Elementary
Standard public school
662 students 24.5:1 students per teacher
Vannoy Elementary
Standard public school
536 students 29.8:1 students per teacher
Marshall Elementary
Standard public school
515 students 25.8:1 students per teacher
Stanton Elementary
Standard public school
515 students 24.5:1 students per teacher
Castro Valley Elementary
Standard public school
502 students 26.4:1 students per teacher
Chabot Elementary
Standard public school
496 students 26.1:1 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 (~613 students)
Similar student-teacher ratio (~25.5:1)
Next steps
Verify locally before acting on Proctor Elementary's federal record.
- Compare Proctor Elementary against another school. Compare schools
- Castro Valley Unified'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 Proctor Elementary
How many students attend Proctor Elementary?
Proctor Elementary has 613 students enrolled. It is an elementary school in Castro Valley, CA.
What is the student-teacher ratio at Proctor Elementary?
The student-teacher ratio at Proctor Elementary is 25.5:1, which is 19% higher than the California average of 21.5:1 and 62% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Proctor Elementary?
13.7% of students at Proctor Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Proctor Elementary?
The largest demographic group at Proctor Elementary is Asian at 39.6% of enrollment, in Castro Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.9/100.
What is the Resource Investment Index for Proctor Elementary?
Proctor Elementary has a Resource Investment Index of 23/100 (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 Proctor Elementary rank among elementary schools in Castro Valley?
By Resource Investment Index, Proctor Elementary ranks #6 of 9 elementary schools in Castro Valley, 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 Castro Valley on the city page.
Is Proctor Elementary a good school?
Proctor Elementary earns 23/100 on the Resource Investment Index, with class sizes larger than 82% 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 Castro Valley Unified?
Besides Proctor Elementary, Castro Valley Unified also operates Castro Valley High (2,874 students), Canyon Middle (1,418 students), and Creekside Middle (754 students). See the Castro Valley Unified 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.