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Below Average

#8142 of 9,533 schools in CA

Mojave River Academy - Marble City

School · Mojave River Academy - Marble City District

PO Box 454, Oro Grande, CA 92368

Charter

Enrollment

222

Student-Teacher

27.8:1

Score

4.6

Grades

Kindergarten – 12th

Updated 2022-23

How this school compares

In Oro Grande

#7 of 8

public schools

California schools

#381 of 475

About Mojave River Academy - Marble City

Mojave River Academy - Marble City is a charter school located in the rural setting of Oro Grande, California. Serving kindergarten through twelfth grade students, the academy has an enrollment of 222 students and maintains a student-teacher ratio of 27.8:1 with 8 full-time equivalent teachers. The school's MySchoolScout rating is 2.3 out of 10, ranking it at the 3rd percentile among California schools.

Academically, Mojave River Academy - Marble City focuses on developing its students' foundational skills and fostering a supportive learning environment. With an ELA/Reading proficiency rate of 15% and a Math proficiency rate of just 2%, there is clear room for academic growth. The school's rural location offers a unique setting that encourages community involvement and personal connections between educators and families.

Mojave River Academy - Marble City sits in the heart of Oro Grande, surrounded by open landscapes and a tight-knit community atmosphere.

What Parents Should Know

While current test scores at Mojave River Academy - Marble City are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

The student-teacher ratio at Mojave River Academy - Marble City is 27.8:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Mojave River Academy - Marble City is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.4Above Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-0.89 pts/yr
Data Period2019–2024
TrendStable
Academics2.2Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency1.5%
Reading/ELA Proficiency15%
Math vs. State Avg-32.9 pts
Reading vs. State Avg-30.9 pts
Overall Proficiency8%
Expected (poverty-adj.)28%
vs. Expected-19.6 pts
Adjusted Percentile5th
College Readiness6.5Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment2.3Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio27.8:1
Per-Pupil Spending$14,392

Mojave River Academy - Marble City — Students at Mojave River Academy - Marble City score 8% proficient, which is below what's typical for similar communities (expected: 28%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

82.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 1.8%
School
State
32.7%
ELA Proficiency 15.4%
School
State
48.5%

Based on 12 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
2.5%
ELA
22%
2024
Math
1.6%
ELA
14%

Source: EdFacts (NCES) and state assessment data. Growth score: 6.4/10.

How Mojave River Academy - Marble City Compares

See how Mojave River Academy - Marble City performs across key quality dimensions compared to state benchmarks.

Overall Score
4.6/10
15th percentile in CA
Academic
2.2/10
2.2/10
Growth
6.4/10
Above average
Environment
2.3/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
82%
Teaching Staff
28:1 student-teacher ratio
8 teachers

Location

PO Box 454, Oro Grande, CA 92368

Nearby Alternatives

Families considering Mojave River Academy - Marble City may also want to explore other schools in the area. Wrightwood Elementary (rated 6.8/10, 6.1 miles away, in nearby Phelan), which scores notably higher. Another option is Vista Verde Elementary (rated 6.8/10, 10.4 miles away, in nearby Phelan), which scores notably higher. Additionally, Chaparral High (rated 6.3/10, 0.9 miles away, in nearby Phelan), which scores notably higher. For more schools in Oro Grande, see our Oro Grande schools guide .

Nearby Schools

20 within 10.5 mi
School Distance Rating
Phelan Elementary Phelan 0.3 mi 3.6
Pinon Mesa Middle Phelan 0.8 mi 3.6
Snowline Academy Phelan 0.8 mi 4.6
Chaparral High Phelan 0.9 mi 6.3
Eagle Summit Community Day Phelan 0.9 mi
Serrano High Phelan 1.1 mi 4.4
Heritage Phelan 2.4 mi 5.4
Pinon Hills Elementary Phelan 4.8 mi 2.3
Wrightwood Elementary Phelan 6.1 mi 6.8
Quail Valley Middle Phelan 6.2 mi 4.2
Baldy Mesa Elementary Phelan 6.5 mi 3.5
Columbia Middle Adelanto 9.5 mi 5.6
Theodore Vick Elementary Adelanto 9.7 mi 4.9
Adelanto High Adelanto 10.2 mi 5.4
Desert Trails Preparatory Academy Hesperia 10.3 mi 5.0
Vista Verde Elementary Phelan 10.4 mi 6.8
Donald F. Bradach Elementary Adelanto 11.1 mi 5.9
Hollyvale Elementary Victorville 10.5 mi 4.9
Canyon Ridge High Hesperia 10.5 mi 5.2
Summit Leadership Academy-High Desert Hesperia 10.5 mi 5.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 92368 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$75,000

Median Home Value

$313,700

Median Rent

$1,212/mo

Population

925

College Educated

13.3%

Homeownership

58.1%

Poverty Rate

17.1%

Median Age

40.6

Community Profile

The community surrounding Mojave River Academy - Marble City has a median household income of $75,000. It is a community where 13% of adults hold a bachelor's degree or higher. The median home value in the area is $313,700, with a median rent of $1,212/month. The area has a poverty rate of 17.1%. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
GRACE CHRISTIAN ACADEMY Santa Rosa, CA 4.6
Independence Charter Academy Helendale, CA 4.6
Insight @ San Diego Simi Valley, CA 4.6
Snowline Academy Phelan, CA 4.6
California Pacific Charter - San Diego Costa Mesa, CA 4.5
Long Valley Doyle, CA 4.4

Frequently Asked Questions

Common questions about Mojave River Academy - Marble City

What grades does Mojave River Academy - Marble City serve?

Mojave River Academy - Marble City serves students in grades Kindergarten through 12th.

How many students attend Mojave River Academy - Marble City?

Mojave River Academy - Marble City has an enrollment of approximately 222 students.

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

The student-teacher ratio at Mojave River Academy - Marble City is 27.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mojave River Academy - Marble City rank in CA?

Mojave River Academy - Marble City is ranked #8142 out of 9,533 schools in CA.

What is Mojave River Academy - Marble City's MySchoolScout rating?

Mojave River Academy - Marble City has a composite rating of 4.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Mojave River Academy - Marble City?

Based on the most recent state assessment data, Mojave River Academy - Marble City has 1.8% math proficiency and 15.4% reading/ELA proficiency.

Is Mojave River Academy - Marble City a charter school?

Yes, Mojave River Academy - Marble City is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Mojave River Academy - Marble City a Title I school?

No, Mojave River Academy - Marble City is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mojave River Academy - Marble City?

82.4% of students at Mojave River Academy - Marble City qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

County Safety
Low (231/100K)

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 12th
Enrollment
222
Student-Teacher Ratio
27.8:1
Teachers (FTE)
8
Free/Reduced Lunch
82.4%
Type
regular
Setting
Distant Rural
County
San Bernardino County
Data Year
2023–2024

District

Mojave River Academy - Marble City District
District Enrollment
222
Schools in District
1
Per-Pupil Spending
$17,115
District Rank
#1 of 1

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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