At a glance
Reported students
255
NCES CCD 2024–25
Teachers (FTE)
15.69
NCES CCD 2024–25
Student–teacher ratio
16.3:1
Calculated; not a class-size measure
Grades served
KG–08
NCES preliminary directory 2025–26
School benchmarks
California elementary enrollment
14th percentile
Compared with 5,927 same-level schools reporting enrollment.
District median enrollment
255
JCS - Mountain Oaks: 255 reported students.
State peer staffing position
5th percentile
16.3:1 reported; state peer median 22.4:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 238
- Teachers (FTE)
- 11
- Student–teacher ratio
- 21.6:1
What the reported data says about JCS - Mountain Oaks
JCS - Mountain Oaks is a public elementary school serving grades KG–08 in Encinitas. It is one of 1 current school records connected to JCS - Mountain Oaks District. NCES reports 255 students for 2024–25.
Among 5,927 elementary schools in California with comparable records, this school is smaller than the reported median of 455 students. Its enrollment is at approximately the 14th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 16.3:1, below the California median of 22.4:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (64.7%) and Hispanic or Latino (12.9%). English learners represent 0.4% of enrollment. Students served under IDEA represent 9.2%. These figures help families understand who the school serves; they are not rating inputs.
Questions worth asking JCS - Mountain Oaks
- 1How do the reported 16.3:1 student–teacher ratio and 15.69 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 0.2 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 0.4%
- Students with disabilities
- 9.2%
- Free/reduced-price lunch
- 25.9%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 0.2
- Nurses (FTE)
- 0
- Psychologists (FTE)
- 0.37
- Social workers (FTE)
- 0
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White64.7%
- Hispanic12.9%
- Black0.8%
- Asian8.6%
- American Indian / Alaska Native0.4%
- Native Hawaiian / Pacific Islander0%
- Multiracial12.5%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Not reported as offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Public schools near JCS - Mountain Oaks
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Ocean Knoll Elementary Elementary · Encinitas Union Elementary | KG–06 | 479 | 0.6 mi |
| Ada W. Harris Elementary Elementary · Cardiff Elementary | 03–06 | 382 | 1 mi |
| Paul Ecke-Central Elementary Elementary · Encinitas Union Elementary | KG–06 | 569 | 1.3 mi |
| Cardiff Elementary Elementary · Cardiff Elementary | KG–02 | 259 | 1.4 mi |
| Flora Vista Elementary Elementary · Encinitas Union Elementary | KG–06 | 377 | 1.7 mi |
| Capri Elementary Elementary · Encinitas Union Elementary | KG–06 | 613 | 2.1 mi |
Frequently asked questions about JCS - Mountain Oaks
What grades does JCS - Mountain Oaks serve?
JCS - Mountain Oaks reports grades KG–08 in the NCES 2025–26 preliminary directory. It is classified as an elementary school in JCS - Mountain Oaks District.
How many students attend JCS - Mountain Oaks?
JCS - Mountain Oaks reported 255 students in the NCES 2024–25 membership file. That places it near the 14th percentile among 5,927 California elementary schools reporting enrollment. The 2021–22 civil-rights collection recorded 238 students.
What is the student–teacher ratio at JCS - Mountain Oaks?
The calculated ratio is 16.3:1, based on 255 students and 15.69 full-time-equivalent classroom teachers in 2024–25. The California median for the same school level is 22.4:1. A ratio is not the same as average class size.
Is JCS - Mountain Oaks a public, charter, or magnet school?
JCS - Mountain Oaks is a public school operating as a charter school. Admission can involve an application or lottery, so check enrollment windows with the school.
What share of JCS - Mountain Oaks students qualify for free or reduced-price meals?
25.9% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.
Which school district is JCS - Mountain Oaks in?
JCS - Mountain Oaks is part of JCS - Mountain Oaks District, based in Encinitas, CA, which operates 1 current school. Confirm attendance zones and enrollment rules with the district.
What public schools are near JCS - Mountain Oaks?
The closest public schools by straight-line distance include Ocean Knoll Elementary (0.6 mi), Ada W. Harris Elementary (1 mi), Paul Ecke-Central Elementary (1.3 mi). Distance does not determine eligibility; attendance boundaries and program rules do.