Twin Oaks Elementary

As a medium-sized elementary campus in San Marcos, California, Twin Oaks Elementary serves 648 students from grades K through 5, overseen by San Marcos Unified. Enrollment runs roughly 39% larger than the state mean of about 465.

Across the 19 schools in San Marcos Unified (18,837 students total), Twin Oaks Elementary accounts for its share of the district's footprint.

For racial and ethnic makeup, Twin Oaks Elementary lists that 59% of the student body identifies as Hispanic; the rest comes out to 31% White, 5% multiracial, 4% Asian. The wider county runs roughly 35% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

Looking at the economic backdrop, On paper, Twin Oaks Elementary has 31 full-time-equivalent teachers, translating to a class-load average of around 20.9:1. Statewide, the average ratio sits near 22.3:1, putting Twin Oaks Elementary tighter than the state norm the norm. Around 48% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator.

With demographic context factored in, Twin Oaks Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 51.1%, the actual is 44.8%, a residual of -6.3 points.

In the surrounding community, the surrounding county (San Diego County) records that median household earnings sit near $106,268, 43% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. In all, San Diego County runs 766 public schools (combined enrollment of about 467,437 students), of which Twin Oaks Elementary is one.

Foothills High is the nearest neighboring public school, about 0.2 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Twin Oaks Elementary at 4th of 6; the average score across the group is 52.5%.

Geographically, the school is in an outer-ring area.

Trend over the last 7 years. Looking back 7 years, enrollment at Twin Oaks Elementary has contracted 3%, going from 670 students in 2018 to 648 in 2025.

On allk12, members of the Twin Oaks Elementary community share and discuss pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.