Excellent
#1348 of 9,539 schools in CA
Top 14% in state
Jcs - Mountain Oaks
Elementary School · JCS - Mountain Oaks District
539 Encinitas Blvd., Encinitas, CA 92024
Enrollment
256
Student-Teacher
21.3:1
Score
8.1
Grades
Kindergarten – 8th
Enrollment
256
Student-Teacher
21.3:1
Score
8.1
Grades
Kindergarten – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#1,348 of 9,539
In Encinitas
#6 of 16
public schools
Equity
8.9 / 10
Excellent
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Jcs - Mountain Oaks
Elementary School in Encinitas · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.
Sunset High (continuation)
0.1 mi away. Use as a geographic alternative in the same move search.
Pacific Academy
0.2 mi away. Use as a geographic alternative in the same move search.
About Jcs - Mountain Oaks
Jcs - Mountain Oaks is a public elementary school in Encinitas, CA, part of JCS - Mountain Oaks District. Jcs - Mountain Oaks serves approximately 256 students, and covers grades Kindergarten-8th, and has a 21.3:1 student-teacher ratio. Jcs - Mountain Oaks has a current MySchoolScout rating of 8.1 out of 10 and ranks #1,348 of 9,539 schools in CA.
Structured state assessment records for Jcs - Mountain Oaks show 66% math proficiency (multi-year average, 2018-2024) and 73% reading/ELA proficiency (multi-year average, 2018-2024).
- This school 8.1 · Excellent
- CA avg 6.2
What Parents Should Know
Jcs - Mountain Oaks runs 21.3:1 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.
Jcs - 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 · 3/3 metricsView breakdown
View breakdown
View breakdown
Jcs - Mountain Oaks — Students at Jcs - Mountain Oaks score 67% proficient, which is above what's typical for similar communities (expected: 61%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
23%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 24 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: 7.9/10.
How Jcs - Mountain Oaks Compares
See how Jcs - Mountain Oaks performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
539 Encinitas Blvd., Encinitas, CA 92024
Nearby Alternatives
Families considering Jcs - Mountain Oaks may also want to explore other elementary schools in the area. Capri Elementary (rated 8.3/10, 2.1 miles away), with a very similar rating. Another option is Cardiff Elementary (rated 8.2/10, 1.4 miles away, in nearby Cardiff-By-The-Sea), with a very similar rating. Additionally, Ada W. Harris Elementary (rated 8.0/10, 1.0 miles away, in nearby Cardiff-By-The-Sea), with a very similar rating. For more schools in Encinitas, see our Encinitas schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| Sunset High (Continuation) Encinitas | 0.1 mi | 6.4 |
| PACIFIC ACADEMY Encinitas | 0.2 mi | 7.6 |
| San Dieguito HS Academy Encinitas | 0.6 mi | 6.7 |
| Ocean Knoll Elementary Encinitas | 0.6 mi | 7.5 |
| Seeds of Hope Academy Encinitas | 0.7 mi | — |
| Oak Crest Middle Encinitas | 0.8 mi | 7.4 |
| Ada W. Harris Elementary Cardiff-By-The-Sea | 1.0 mi | 8.0 |
| JCS - Cedar Cove Julian | 0.9 mi | 8.6 |
| Norton High School Encinitas | 1.0 mi | — |
| Lingua Natal Encinitas | 1.3 mi | — |
| Paul Ecke-Central Elementary Encinitas | 1.3 mi | 7.9 |
| Cardiff Elementary Cardiff-By-The-Sea | 1.4 mi | 8.2 |
| MONTESSORI SCHOOL OF ENCINITAS Encinitas | 1.3 mi | — |
| Village Gate Children's Academy Cardiff | 1.5 mi | — |
| VILLAGE GATE CHILDREN'S ACADEMY Cardiff-By-The-Sea | 1.5 mi | 6.2 |
| Flora Vista Elementary Encinitas | 1.7 mi | 7.5 |
| GRAUER SCHOOL THE Encinitas | 1.8 mi | 6.3 |
| Grauer School, The Encinitas | 1.8 mi | — |
| Capri Elementary Encinitas | 2.1 mi | 8.3 |
| Encinitas Country Day School Encinitas | 2.3 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 92024 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$149,080
Median Home Value
$1,409,700
Median Rent
$2,643/mo
Population
50,030
College Educated
66.8%
Homeownership
67.7%
Avg Commute
24.3 min
Poverty Rate
5.8%
Median Age
44.3
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Baypoint Preparatory Academy - San Diego San Marcos, CA | 8.1 |
| Baywood Elementary Los Osos, CA | 8.1 |
| Carson-Gore Academy of Environmental Studies Los Angeles, CA | 8.1 |
| Green Acres Elementary Santa Cruz, CA | 8.1 |
| Hawaiian Elementary Hawaiian Gardens, CA | 8.1 |
| Hayward Collegiate Charter Hollister, CA | 8.1 |
Frequently Asked Questions
Common questions about Jcs - Mountain Oaks
What grades does Jcs - Mountain Oaks serve?
Jcs - Mountain Oaks serves students in grades Kindergarten through 8th.
How many students attend Jcs - Mountain Oaks?
Jcs - Mountain Oaks has an enrollment of approximately 256 students.
What is the student-teacher ratio at Jcs - Mountain Oaks?
The student-teacher ratio at Jcs - Mountain Oaks is 21.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Jcs - Mountain Oaks rank in CA?
Jcs - Mountain Oaks ranks #1,348 of 9,539 schools in CA.
What is Jcs - Mountain Oaks's MySchoolScout rating?
Jcs - Mountain Oaks has a current MySchoolScout rating of 8.1 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 Jcs - Mountain Oaks?
Based on loaded state assessment records, Jcs - Mountain Oaks has 66% math proficiency (multi-year average, 2018-2024) and 73% reading/ELA proficiency (multi-year average, 2018-2024).
Is Jcs - Mountain Oaks a charter school?
Yes, Jcs - Mountain Oaks is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Jcs - Mountain Oaks a Title I school?
No, Jcs - Mountain Oaks is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Jcs - Mountain Oaks?
23.0% of students at Jcs - 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 – 8th
- Enrollment
- 256
- Student-Teacher Ratio
- 21.3:1
- Teachers (FTE)
- 12
- Free/Reduced Lunch
- 23.0%
- Type
- regular
- Setting
- Small City
- County
- San Diego County
- Chronic Absenteeism (SY 2022-23)
- 0.8%
- Phone
- (760) 632-4989
Resources & Links
District
JCS - Mountain Oaks District- District Enrollment
- 256
- Schools in District
- 1
- Per-Pupil Spending
- $13,097
- District Rank
- #1 of 1
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
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