Twin Oaks High
PublicHighGrades 9–12Alternative Education School
158 Cassou Rd., San Marcos, CA 92069 · (760) 290-2555 · Part of San Marcos Unified School District
San Marcos’ School Grade A− better than 84% of California school districts
Students
192
Students per teacher
10:1
Free or reduced lunch
56%
Setting
Suburb
Grades
9–12
What stands out about Twin Oaks High
- Small classes: 10 students per teacher
- Enrollment up 44.4% since 2020–21
- No state test results published for this school
Location
Directions ↗158 Cassou Rd., San Marcos
Students
Enrollment by grade
Grade 104
Grade 1149
Grade 12139
Enrollment over time
133’20
191’21
235’22
213’23
192’24
Up 44.4% since 2020–21.
Who goes here
Hispanic 63%White 23%Asian 6%Two or more races 5%Black 3%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Twin Oaks High from San Marcos families.
Other schools in San Marcos Unified School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Map: © OpenStreetMap contributors.