JCS - Mountain Oaks
Public
Elementary Grades K–8 Charter
Part of JCS - Mountain Oaks District
539 Encinitas Blvd., Encinitas, CA 92024 · (760) 632-4989
Community ratings
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Academic performance
Math proficiency69%
State average 33.6%
Reading / language arts82%
State average 48.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
255Students enrolled
16:1Student–teacher ratio
26%Free / reduced lunch
CitySetting
Regular SchoolSchool type
Enrollment by grade
Kindergarten42
Grade 115
Grade 227
Grade 318
Grade 425
Grade 531
Grade 642
Grade 733
Grade 822
Students
White · 65%165
Hispanic · 13%33
Two or more races · 13%32
Asian · 9%22
Black · 1%2
American Indian/Alaska Native · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
281’20
238’21
237’22
256’23
255’24
Location
539 Encinitas Blvd. Encinitas
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.