Twin Oaks High

High school·Grades 9-12 San Marcos, California·92069
Score
11.2/100
Compare Twin Oaks High with another school
#1,535
Among 1,729 California high schools
#4
In San Marcos Unified
Top 89%
In California

Score 11.2/100: better than 11% of California high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
10%
Similar California schools ≈ 57%, better than 10% of them
72 students tested
Math
1%
Similar California schools ≈ 31%, better than 11% of them
73 students tested
Science
7%
Similar California schools ≈ 33%, better than 17% of them
73 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 9 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11Smarter Balanced ELA9.772
English language artsAll gradesSmarter Balanced ELA9.772
MathGrade 11Smarter Balanced Math1.473
MathAll gradesSmarter Balanced Math1.473
ScienceGrade 11CAST8.360
ScienceGrade 12CAST013
ScienceGrade 14CAST6.873
ScienceAll gradesCAST6.873
ScienceGrade 99CAST1.760

School profile

Grades
9-12
Students
213
Type
High school
Charter school
No
Program
Alternative

Students

Enrollment
213
Typical high school: 434
Free or reduced-price lunch
51%
Typical high school: 70%

District and location

School district
City
San Diego County

Contact

Address
158 Cassou Rd.
San Marcos, CA 92069
District website
Shared by several schools in the district

"Typical" is the middle (median) high school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Twin Oaks High at a glance

Twin Oaks High is a public high school in San Marcos, California, serving grades 9-12. It is part of the San Marcos Unified school district. It has about 213 students (a typical California high school has 434). About 51% of students are eligible for free or reduced-price lunch, compared with 70% at a typical California high school, which is useful context when reading test results.

In 2024-25 state tests, 10% in English language arts (similar schools: 57%) and 1% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California high schools, it scores 11.2 out of 100: better than 11% of them, ranking #1,535 of 1,729. Its English language arts result fell by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare Twin Oaks High with another school

Page updated 2026-10-12.