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Twin Oaks High School

Preschool | Grades 9-12 | San Marcos Unified
158 Cassou Rd
San Marcos, CA 92069
(760) 290-2555

About This School

Twin Oaks High School is located in San Marcos, CA and is one of 7 high schools in San Marcos Unified School District. It is a alt. school that serves 177 students in grades 9-12.

Alternative schools are public schools that offer nontraditional education for students whose needs cannot be met in a regular, special education, or vocational school. While alternative schools are distinct from regular, special education, and vocational schools in their teaching approach or classroom environment, they can provide similar services and/or curriculum for students. Alternative schools include schools for potential dropouts, residential treatment centers for substance abuse, schools for chronic truants, and schools for students with behavioral problems. See Twin Oaks High School's test results to learn more about school performance.

A school's Academic Performance Index (API) is a scale that ranges from 200 to 1000 and is calculated from the school's performance in the Standardized Testing and Reporting (STAR) Program. The state has set 800 as the API target for all schools to meet.

Twin Oaks High School had an API growth score of 532 in 2012. California uses the Academic Performance Index (API) to measure annual school performance and year-to-year improvement. Twin Oaks High School's 2012 base score was 533 and the school did not meet its 2012 school-wide growth target.

In 2010, Twin Oaks High School had 13 students for every full-time equivalent teacher. The California average is 24 students per full-time equivalent teacher.

Student Ethnicity (2011)

Students (2011)


Students Per Teacher (2010)

Female/Male (2011)

36% 64%

Subsidized Lunch (2011)


District Spending (2010)

per student
See All Test Scores

Grade 10 English-Language Arts Performance

CAHSEE Results
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Twin Oaks High School Reviews

By a Former Student on

Loved it when it was New Horizons High!

By , a Former Student on

I loved this school.  And being Student Government Pres. and the Editor of the School paper and yearbook helped with that.

Twin Oaks High School Photos

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