Enrollment
507
California · 2024-25 NCES data
Elementary school (grades K-5) · Riverside, CA
Federal NCES profile for Allan Orrenmaa Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
The verdict
Allan Orrenmaa Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 72% of California schools.
Allan Orrenmaa Elementary has class sizes larger than 72% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Allan Orrenmaa Elementary ranks #15 of 43 elementary schools in Riverside, CA.
NCES ID 060243000138 Verify on NCES CCD record →
Enrollment
507
California · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
24.1:1
vs 21.5:1 California avg
+12% vs state
Free-lunch eligible
67.2%
vs 55.5% California avg
+21% vs state
How Allan Orrenmaa Elementary compares with California and U.S. medians
Slightly above state median
24.1:1 - 2.6 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Allan Orrenmaa Elementary is a higher-need, mid-sized elementary school in Riverside, California, enrolling 507 students.
Class loads run somewhat heavier than typical: 24.1:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 67.2% of students eligible for free meals.
With 507 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 2,105 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,054.
Its student body is led by Hispanic or Latino (79%) and White (10%) (diversity index 37/100).
Counselor access is stretched at roughly 507 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 30.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Riverside's elementary schools, it stands alongside Mark Twain Elementary (1,033 students): Allan Orrenmaa Elementary is smaller than that campus by headcount and runs leaner classes (24.1:1 vs 26.5:1).
Alvord Unified also operates Norte Vista High (1,804 students) and Hillcrest High (1,780 students) alongside Allan Orrenmaa 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
Allan Orrenmaa 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 | 24.1:1 | ▲ 12% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 67.2% | ▲ 21% | 55.5% | 51.7% |
| Enrollment | 507 | top 44% | - | - |
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: Hispanic or Latino at 78.7% of enrollment.
Simpson diversity index - at 36.6, Allan Orrenmaa Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Alvord Unified, which includes Allan Orrenmaa Elementary.
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 |
|---|---|---|---|
| Norte Vista High | Larger | Higher economic need | Lower S:T ratio |
| Hillcrest High | Larger | Lower economic need | Lower S:T ratio |
| La Sierra High | Larger | Similar economic need | Lower S:T ratio |
| Ysmael Villegas Middle | Larger | Lower economic need | Lower S:T ratio |
| Loma Vista Middle | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Allan Orrenmaa Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) 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 Allan Orrenmaa Elementary'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.
Allan Orrenmaa Elementary has 507 students enrolled. It is an elementary school in Riverside, CA.
The student-teacher ratio at Allan Orrenmaa Elementary is 24.1:1, which is 12% higher than the California average of 21.5:1 and 54% higher than the national average of 15.7:1.
67.2% of students at Allan Orrenmaa Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Allan Orrenmaa Elementary is Hispanic or Latino at 78.7% of enrollment, in Riverside, CA.
Allan Orrenmaa Elementary has a Resource Investment Index of 24/100 (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).
By Resource Investment Index, Allan Orrenmaa Elementary ranks #15 of 43 elementary schools in Riverside, 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 Riverside on the city page.
Allan Orrenmaa Elementary earns 24/100 on the Resource Investment Index, with class sizes larger than 72% 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.
Besides Allan Orrenmaa Elementary, Alvord Unified also operates Norte Vista High (1,804 students), Hillcrest High (1,780 students), and La Sierra High (1,514 students). See the Alvord 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, “Allan Orrenmaa Elementary, Riverside 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/allan-orrenmaa-elementary-ca
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