Enrollment
469
California · 2024-25 NCES data
Elementary school (grades K-5) · Concord, CA
Cambridge Elementary
Federal NCES profile for Cambridge Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 12/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062637002932
👥 S:T ratio 1
🌟 Gifted program 30
🎓 Counselors 6
📋 Attendance 13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cambridge Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 77% of California schools.
- #10 of 16
- elementary schools in Concord · Resource Index
- 12
- Resource Index · Lower
- 24.7:1
- large classes for California
- 66.2%
- free-lunch eligible
Cambridge Elementary has class sizes larger than 77% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Cambridge Elementary ranks #10 of 16 elementary schools in Concord, CA.
School address
District: Mt. Diablo Unified · California
NCES ID 062637002932 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
24.7:1
vs 21.5:1 California avg
+15% vs state
Free-lunch eligible
66.2%
vs 55.5% California avg
+19% vs state
Student-teacher ratio in context
How Cambridge Elementary compares with California and U.S. medians
What stands out at Cambridge Elementary
Cambridge Elementary is a higher-need, mid-sized elementary school in Concord, California, enrolling 469 students.
Class loads run somewhat heavier than typical: 24.7:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 66.2% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 469 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index trails 95% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 2,018 similarly sized, similarly resourced-need California schools statewide, it ranks #1,793, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (81% of enrollment) (diversity index 33/100).
Counselor access is stretched at roughly 469 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 35.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Concord's elementary schools, it stands alongside Meadow Homes Elementary (732 students): Cambridge Elementary is smaller than that campus by headcount and runs leaner classes (24.7:1 vs 28.2:1).
Mt. Diablo Unified also operates College Park High (1,948 students) and Northgate High (1,546 students) alongside Cambridge 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 Cambridge Elementary compares
Cambridge 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 | 24.7:1 | ▲ 15% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 66.2% | ▲ 19% | 55.5% | 51.7% |
| Enrollment | 469 | top 50% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.7:1
Leaner classes than 5% of US schools, heavier class loads than most.
469
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
66.2%
free-lunch eligible
- 19% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.7:1
students per teacher
- 15% above state mean
Top 77% in California - lower ratio than 23% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
35.0%
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
$13,649
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 469 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
Hispanic or Latino 81.0%
Asian 7.9%
Two or More 4.3%
White 4.1%
African American 1.9%
Native Hawaiian / Pacific Islander 0.6%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 81.0% of enrollment.
Student-body diversity index 33.4/100
Simpson diversity index - at 33.4, Cambridge Elementary is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Mt. Diablo Unified, which includes Cambridge Elementary.
$13,649
Per student
-17%
vs California
Avg $16,509
-18%
vs U.S.
Avg $16,593
Revenue mix
Local 46.6%
State 43.9%
Federal 9.4%
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 Cambridge Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| College Park High | Larger | Lower economic need | Similar S:T ratio |
| Northgate High | Larger | Lower economic need | Similar S:T ratio |
| Mt. Diablo High | Larger | Lower economic need | Lower S:T ratio |
| Concord High | Larger | Lower economic need | Lower S:T ratio |
| Ygnacio Valley High | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Cambridge Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,948
- Students per teacher
- 25:1
- Resource Index
- 21/100
- Enrollment
- 1,546
- Students per teacher
- 24.9:1
- Resource Index
- 23/100
- Enrollment
- 1,397
- Students per teacher
- 17.7:1
- Resource Index
- 22/100
- Enrollment
- 1,137
- Students per teacher
- 18.6:1
- Resource Index
- 27/100
- Enrollment
- 1,059
- Students per teacher
- 17.4:1
- Resource Index
- 26/100
Similar elementary schools in Concord
6 comparable elementary schools (grades K-5) serving the same city.
Meadow Homes Elementary
Standard public school
732 students 28.2:1 students per teacher
Rocketship Futuro Academy
Standard public school
669 students 33.5:1 students per teacher
Monte Gardens Elementary
Standard public school
562 students 29.6:1 students per teacher
Silverwood Elementary
Standard public school
530 students 26.5:1 students per teacher
Highlands Elementary
Standard public school
512 students 28.4:1 students per teacher
Holbrook Language Academy
Standard public school
501 students 29.5:1 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 (~469 students)
Next steps
Verify locally before acting on Cambridge Elementary's federal record.
- Compare Cambridge Elementary against another school. Compare schools
- Mt. Diablo 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 Cambridge Elementary
How many students attend Cambridge Elementary?
Cambridge Elementary has 469 students enrolled. It is an elementary school in Concord, CA.
What is the student-teacher ratio at Cambridge Elementary?
The student-teacher ratio at Cambridge Elementary is 24.7:1, which is 15% higher than the California average of 21.5:1 and 57% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Cambridge Elementary?
66.2% of students at Cambridge Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Cambridge Elementary?
The largest demographic group at Cambridge Elementary is Hispanic or Latino at 81.0% of enrollment, in Concord, CA.
What is the Resource Investment Index for Cambridge Elementary?
Cambridge Elementary has a Resource Investment Index of 12/100 (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 Cambridge Elementary rank among elementary schools in Concord?
By Resource Investment Index, Cambridge Elementary ranks #10 of 16 elementary schools in Concord, 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 Concord on the city page.
Is Cambridge Elementary a good school?
Cambridge Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 77% of 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 Mt. Diablo Unified?
Besides Cambridge Elementary, Mt. Diablo Unified also operates College Park High (1,948 students), Northgate High (1,546 students), and Mt. Diablo High (1,397 students). See the Mt. Diablo 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.