Enrollment
259
California · 2024-25 NCES data
Other / mixed grade configuration · Phelan, CA
Federal NCES profile for Mojave River Academy - Marble City, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
Mojave River Academy - Marble City earns 36/100 on the Resource Investment Index, with class sizes larger than 97% of California schools.
Mojave River Academy - Marble City has class sizes larger than 97% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mojave River Academy - Marble City ranks #3 of 3 schools in Phelan, CA.
NCES ID 060175114291 Verify on NCES CCD record →
Enrollment
259
California · 2024-25 NCES data
Teachers (FTE)
8.0
Federal CCD staff survey
Students per teacher
32.4:1
vs 21.5:1 California avg
+51% vs state
Free-lunch eligible
77.0%
vs 55.5% California avg
+39% vs state
How Mojave River Academy - Marble City compares with California and U.S. medians
Mojave River Academy - Marble City is a high-poverty, mid-sized charter combined-grade school in Phelan, California, enrolling 259 students.
Class loads run heavy: 32.4:1 is larger than about 97% of California schools and 51% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 77.0% of students eligible for free meals.
Enrollment of 259 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 911 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #251.
Its student body is led by Hispanic or Latino (55%) and White (38%) (diversity index 56/100).
Counselor coverage is strong, about 130 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.6% of students chronically absent per the 2021-22 civil-rights collection.
Among Phelan's public schools, it stands alongside Snowline Academy (85 students): Mojave River Academy - Marble City is larger than that campus by headcount and runs heavier classes (32.4:1 vs 10.6:1).
Mojave River Academy - Marble City District is a single-school charter district, so Mojave River Academy - Marble City 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
Mojave River Academy - Marble City on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 32.4:1 | ▲ 51% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 77.0% | ▲ 39% | 55.5% | 51.7% |
| Enrollment | 259 | top 78% | - | - |
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 54.7% of enrollment.
Simpson diversity index - at 55.5, Mojave River Academy - Marble City is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Mojave River Academy - Marble City District, which includes Mojave River Academy - Marble City.
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.
2 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 Mojave River Academy - Marble City'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.
Mojave River Academy - Marble City has 259 students enrolled. It is a public school in Phelan, CA.
The student-teacher ratio at Mojave River Academy - Marble City is 32.4:1, which is 51% higher than the California average of 21.5:1 and 106% higher than the national average of 15.7:1.
77.0% of students at Mojave River Academy - Marble City are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mojave River Academy - Marble City is Hispanic or Latino at 54.7% of enrollment, in Phelan, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.5/100.
Mojave River Academy - Marble City has a Resource Investment Index of 36/100 (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, Mojave River Academy - Marble City ranks #3 of 3 schools in Phelan, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Phelan on the city page.
Mojave River Academy - Marble City earns 36/100 on the Resource Investment Index, with class sizes larger than 97% 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; Mojave River Academy - Marble City District is a single-school charter district, and Mojave River Academy - Marble City 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.