Enrollment
1,338
California · 2024-25 NCES data
Other / mixed grade configuration · Porterville, CA
Federal NCES profile for Monarch River Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Monarch River Academy earns 31/100 on the Resource Investment Index, with class sizes larger than 99% of California schools.
Monarch River Academy has class sizes larger than 99% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Monarch River Academy ranks #3 of 5 schools in Porterville, CA.
NCES ID 060250814423 Verify on NCES CCD record →
Enrollment
1,338
California · 2024-25 NCES data
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
39.4:1
vs 21.5:1 California avg
+83% vs state
Free-lunch eligible
38.1%
vs 55.5% California avg
-31% vs state
How Monarch River Academy compares with California and U.S. medians
Monarch River Academy is a large charter combined-grade school in Porterville, California, enrolling 1,338 students.
Class loads run heavy: 39.4:1 is larger than about 99% of California schools and 83% 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 38.1% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 93% of state schools at 1,338 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 507 statewide peers matched on enrollment and economic need, it ranks mid-pack at #254.
Its student body is led by White (47%) and Hispanic or Latino (38%) (diversity index 62/100).
Counselor access is stretched at roughly 1338 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 2.0% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Monarch River Academy District spends $10,316 per pupil, 38% below the California average, a leaner-resourced district than most.
Among Porterville's public schools, it stands alongside Summit Charter Academy (2,423 students): Monarch River Academy is smaller than that campus by headcount and runs heavier classes (39.4:1 vs 23.3:1).
Monarch River Academy District is a single-school charter district, so Monarch River Academy operates independently rather than alongside district-mates.
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
Monarch River Academy on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 39.4:1 | ▲ 83% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 38.1% | ▼ 31% | 55.5% | 51.7% |
| Enrollment | 1,338 | top 7% | - | - |
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: White at 47.4% of enrollment.
Simpson diversity index - at 61.8, Monarch River Academy is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Monarch River Academy District, which includes Monarch River Academy.
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.
4 comparable other schools (grades Mixed) 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 Monarch River Academy'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.
Monarch River Academy has 1,338 students enrolled. It is a public school in Porterville, CA.
The student-teacher ratio at Monarch River Academy is 39.4:1, which is 83% higher than the California average of 21.5:1 and 151% higher than the national average of 15.7:1.
38.1% of students at Monarch River Academy are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Monarch River Academy is White at 47.4% of enrollment, in Porterville, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.8/100.
Monarch River Academy has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Monarch River Academy ranks #3 of 5 schools in Porterville, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Porterville on the city page.
Monarch River Academy earns 31/100 on the Resource Investment Index, with class sizes larger than 99% 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.
None; Monarch River Academy District is a single-school charter district, and Monarch River Academy is its only campus.
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.