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
Enrollment
222
Student-Teacher
27.8:1
Score
4.6
Grades
Kindergarten – 12th
Enrollment
222
Student-Teacher
27.8:1
Score
4.6
Grades
Kindergarten – 12th
Updated
2022-23
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 metricsView breakdown
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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%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
82.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 12 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
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.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 2.5% (2019) to 1.5% (2024). Reading/ELA proficiency has declined from 22% (2019) to 15.04% (2024).
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.
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
- Phone
- (760) 245-3222
- Data Year
- 2023–2024
Resources & Links
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.
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