Average
#4413 of 9,539 schools in CA
Top 46% in state
Mountain Oaks
School · Calaveras County Office of Education
PO Box 1209, San Andreas, CA 95249
Enrollment
398
Student-Teacher
56.9:1
Score
6.6
Grades
Kindergarten – 12th
Enrollment
398
Student-Teacher
56.9:1
Score
6.6
Grades
Kindergarten – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#4,413 of 9,539
In San Andreas
#1 of 5
public schools
Academic growth
7.2 / 10
Very Good
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Mountain Oaks
School in San Andreas · grades Kindergarten – 12th. Start here, then compare fit against nearby and district options.
Calaveras River Academy
0.0 mi away. Use as a geographic alternative in the same move search.
Calaveras High
0.9 mi away. Use as a geographic alternative in the same move search.
About Mountain Oaks
Mountain Oaks is a public school in San Andreas, CA, part of Calaveras County Office of Education. Mountain Oaks serves approximately 398 students, and covers grades Kindergarten-12th, and has a 56.9:1 student-teacher ratio. Mountain Oaks has a current MySchoolScout rating of 6.6 out of 10 and ranks #4,413 of 9,539 schools in CA.
Structured state assessment records for Mountain Oaks show 23% math proficiency (multi-year average, 2009-2024) and 42% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 6.6 · Average
- CA avg 6.3
What Parents Should Know
Test scores at Mountain Oaks sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.
Mountain Oaks runs 56.9:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Mountain Oaks is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Mountain Oaks — Students at Mountain Oaks score 26% proficient, which is below what's typical for similar communities (expected: 42%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
56.8%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 44 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.2/10.
How Mountain Oaks Compares
See how Mountain Oaks performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
PO Box 1209, San Andreas, CA 95249
Nearby Alternatives
Families considering Mountain Oaks may also want to explore other schools in the area. Bret Harte Union High (rated 6.5/10, 10.7 miles away, in nearby Altaville), with a very similar rating. Another option is Calaveras Unified Alternative-Sierra Hills Education Center (rated 6.4/10, 0.9 miles away), with a very similar rating. Additionally, Jackson Elementary (rated 5.4/10, 12.0 miles away, in nearby Jackson), a more accessible option. For more schools in San Andreas, see our San Andreas schools guide .
Nearby Schools
20 within 10.9 mi| School | Distance | Rating |
|---|---|---|
| Calaveras River Academy San Andreas | 0.0 mi | — |
| Calaveras High San Andreas | 0.9 mi | 4.0 |
| Gold Strike High San Andreas | 0.9 mi | 5.3 |
| Calaveras Unified Alternative-Sierra Hills Education Center San Andreas | 0.9 mi | 6.4 |
| San Andreas Elementary San Andreas | 1.1 mi | 2.6 |
| Oakendell Community San Andreas | 3.7 mi | — |
| Toyon Middle Valley Springs | 3.9 mi | 2.5 |
| Mokelumne Hill Elementary Mokelumne Hill | 7.6 mi | 4.6 |
| Valley Springs Elementary Valley Springs | 7.7 mi | 3.0 |
| Rite of Passage Placerville | 8.5 mi | — |
| Calaveras County Special Education (SELPA) Angels Camp | 10.5 mi | — |
| Bret Harte Union High Altaville | 10.7 mi | 6.5 |
| Vallecito Continuation High Angels Camp | 10.7 mi | 4.1 |
| Jackson Elementary Jackson | 12.0 mi | 5.4 |
| Mark Twain Elementary Angels Camp | 11.0 mi | 2.8 |
| Jenny Lind Elementary Valley Springs | 10.2 mi | 2.8 |
| Learners Empowered Academic Progress (LEAP) Angels Camp | 11.1 mi | — |
| Amador County Special Education Jackson | 12.3 mi | — |
| Jackson Junior High Jackson | 12.3 mi | 4.4 |
| BOONES Academy Valley Springs | 10.9 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95249 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$46,864
Median Home Value
$409,000
Median Rent
$1,390/mo
Population
4,696
College Educated
22.8%
Homeownership
72.8%
Poverty Rate
32.3%
Median Age
57.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| HILLCREST CHRISTIAN SCHOOL Thousand Oaks, CA | 6.6 |
| Horizon La Quinta, CA | 6.6 |
| NEW ROADS SCHOOL Santa Monica, CA | 6.6 |
| PROVIDENCE SCHOOL Santa Barbara, CA | 6.6 |
| SUMMERFIELD WALDORF SCHOOL AND FARM Santa Rosa, CA | 6.6 |
| SOUTHLANDS CHRISTIAN SCHOOLS Rowland Heights, CA | 6.5 |
Frequently Asked Questions
Common questions about Mountain Oaks
What grades does Mountain Oaks serve?
Mountain Oaks serves students in grades Kindergarten through 12th.
How many students attend Mountain Oaks?
Mountain Oaks has an enrollment of approximately 398 students.
What is the student-teacher ratio at Mountain Oaks?
The student-teacher ratio at Mountain Oaks is 56.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mountain Oaks rank in CA?
Mountain Oaks ranks #4,413 of 9,539 schools in CA.
What is Mountain Oaks's MySchoolScout rating?
Mountain Oaks has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mountain Oaks?
Based on loaded state assessment records, Mountain Oaks has 23% math proficiency (multi-year average, 2009-2024) and 42% reading/ELA proficiency (multi-year average, 2009-2024).
Is Mountain Oaks a charter school?
Yes, Mountain Oaks is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Mountain Oaks a Title I school?
No, Mountain Oaks is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mountain Oaks?
56.8% of students at Mountain Oaks 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
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 12th
- Enrollment
- 398
- Student-Teacher Ratio
- 56.9:1
- Teachers (FTE)
- 7
- Free/Reduced Lunch
- 56.8%
- Type
- regular
- Setting
- Distant Rural
- County
- Calaveras County
- Chronic Absenteeism (SY 2022-23)
- 7.3%
- Phone
- (888) 686-6257
- 4-Year Graduation
- 84.5%
Resources & Links
District
Calaveras County Office of Education- District Enrollment
- 438
- Schools in District
- 4
- Per-Pupil Spending
- $45,512
- District Rank
- #1 of 1
Other Schools in This District
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