Other / mixed grade configuration · Phelan, CA

Mojave River Academy - Marble City

Federal NCES profile for Mojave River Academy - Marble City, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.

2024-25 NCES dataOther / mixed grade configurationNCES 060175114291Charter school
0/100100/10036/100
👥 S:T ratio
0
🌟 Gifted program
30
🎓 Counselors
74
📋 Attendance
41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Mojave River Academy - Marble City earns 36/100 on the Resource Investment Index, with class sizes larger than 97% of California schools.

#3 of 3
schools in Phelan · Resource Index
36
Resource Index · Typical
32.4:1
large classes for California
77.0%
free-lunch eligible

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.

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

Student-teacher ratio in context

How Mojave River Academy - Marble City compares with California and U.S. medians

Larger classes than state median
0:135:132.4:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Mojave River Academy - Marble City

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

How Mojave River Academy - Marble City compares

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

32.4:1
Leaner classes than 1% of US schools, heavier class loads than most.
259
Bigger than 27% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
77.0%
free-lunch eligible - 39% 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
32.4:1
students per teacher - 51% above state mean
Top 97% in California - lower ratio than 3% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
23.6%
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
$14,392
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
Counselors2.0 FTE
Per 130 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 54.7%
White 37.6%
Two or More 6.2%
African American 0.8%
Asian 0.4%
Native Hawaiian / Pacific Islander 0.4%

Largest group: Hispanic or Latino at 54.7% of enrollment.

Student-body diversity index 55.5/100

Simpson diversity index - at 55.5, Mojave River Academy - Marble City is more mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Mojave River Academy - Marble City District, which includes Mojave River Academy - Marble City.

$14,392
Per student
-13%
vs California
Avg $16,509
-13%
vs U.S.
Avg $16,593
Revenue mix
Local 1.7%
State 92.7%
Federal 5.6%

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.

Similar other schools in Phelan

2 comparable other schools (grades Mixed) serving the same city.

Similar other 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.

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.

Frequently asked questions about Mojave River Academy - Marble City

How many students attend Mojave River Academy - Marble City?

Mojave River Academy - Marble City has 259 students enrolled. It is a public school in Phelan, CA.

What is the student-teacher ratio at Mojave River Academy - Marble City?

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.

What percentage of students receive free lunch at Mojave River Academy - Marble City?

77.0% of students at Mojave River Academy - Marble City are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Mojave River Academy - Marble City?

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.

What is the Resource Investment Index for Mojave River Academy - Marble City?

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).

How does Mojave River Academy - Marble City rank among schools in Phelan?

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.

Is Mojave River Academy - Marble City a good school?

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.

What other schools are in Mojave River Academy - Marble City District?

None; Mojave River Academy - Marble City District is a single-school charter district, and Mojave River Academy - Marble City is its only campus.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.