Enrollment
860
California · 2024-25 NCES data
Middle school (grades 6-8) · Irvine, CA
Federal NCES profile for Rancho San Joaquin Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Rancho San Joaquin Middle earns 38/100 on the Resource Investment Index, with class sizes larger than 89% of California schools. It is also more racially and ethnically mixed than most California schools.
Rancho San Joaquin Middle has class sizes larger than 89% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rancho San Joaquin Middle ranks #6 of 6 middle schools in Irvine, CA.
NCES ID 068450007062 Verify on NCES CCD record →
Enrollment
860
California · 2024-25 NCES data
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
26.9:1
vs 21.5:1 California avg
+25% vs state
Free-lunch eligible
18.8%
vs 55.5% California avg
-66% vs state
How Rancho San Joaquin Middle compares with California and U.S. medians
Larger classes than state median
26.9:1 - 5.4 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Rancho San Joaquin Middle is a lower-poverty, large middle school in Irvine, California, enrolling 860 students.
Class loads run heavy: 26.9:1 is larger than about 89% of California schools and 25% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 18.8% free-meal eligibility runs 66% below the California average.
Enrollment of 860 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 983 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #373.
Its student body is led by Asian (50%) and White (26%), more mixed than most schools in the state (diversity index 66/100).
Counselor access is stretched at roughly 478 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 8.8% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Irvine Unified spends $13,289 per pupil, 20% below the California average, a leaner-resourced district than most.
Among Irvine's middle schools, it stands alongside Sierra Vista Middle (1,282 students): Rancho San Joaquin Middle is smaller than that campus by headcount and runs leaner classes (26.9:1 vs 31.3:1).
Irvine Unified also operates Portola High (2,693 students) and University High (2,307 students) alongside Rancho San Joaquin Middle.
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
Rancho San Joaquin Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 26.9:1 | ▲ 25% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 18.8% | ▼ 66% | 55.5% | 51.7% |
| Enrollment | 860 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Asian at 49.8% of enrollment.
Simpson diversity index - at 66.1, Rancho San Joaquin Middle is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Irvine Unified, which includes Rancho San Joaquin Middle.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Portola High | Larger | Similar economic need | Higher S:T ratio |
| University High | Larger | Similar economic need | Higher S:T ratio |
| Northwood High | Larger | Similar economic need | Similar S:T ratio |
| Woodbridge High | Larger | Similar economic need | Lower S:T ratio |
| Irvine High | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Rancho San Joaquin Middle's own figures; each column derives from NCES Common Core of Data.
5 comparable middle schools (grades 6-8) serving the same city.
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.
Next steps
Verify locally before acting on Rancho San Joaquin Middle's federal record.
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.
Rancho San Joaquin Middle has 860 students enrolled. It is a middle school in Irvine, CA.
The student-teacher ratio at Rancho San Joaquin Middle is 26.9:1, which is 25% higher than the California average of 21.5:1 and 71% higher than the national average of 15.7:1.
18.8% of students at Rancho San Joaquin Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Rancho San Joaquin Middle is Asian at 49.8% of enrollment, in Irvine, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.1/100.
Rancho San Joaquin Middle has a Resource Investment Index of 38/100 (typical 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).
By Resource Investment Index, Rancho San Joaquin Middle ranks #6 of 6 middle schools in Irvine, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Irvine on the city page.
Rancho San Joaquin Middle earns 38/100 on the Resource Investment Index, with class sizes larger than 89% 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.
Besides Rancho San Joaquin Middle, Irvine Unified also operates Portola High (2,693 students), University High (2,307 students), and Northwood High (2,244 students). See the Irvine Unified district page for the complete list.
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.
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PlainSchools, “Rancho San Joaquin Middle, Irvine CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/rancho-san-joaquin-middle-ca
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