Average
#6307 of 9,539 schools in CA
Twin Oaks High
High School · San Marcos Unified
158 Cassou Rd., San Marcos, CA 92069
Enrollment
213
Student-Teacher
16.4:1
Score
5.6
Grades
9th – 12th
Enrollment
213
Student-Teacher
16.4:1
Score
5.6
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#6,307 of 9,539
In San Marcos
#14 of 19
public schools
In district
#13 of 19
San Marcos Unified
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Twin Oaks High
High School in San Marcos · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Foothills High
0.0 mi away. Use as a geographic alternative in the same move search.
Twin Oaks Elementary
0.2 mi away. Use as a geographic alternative in the same move search.
About Twin Oaks High
Twin Oaks High is a public high school in San Marcos, CA, part of San Marcos Unified. Twin Oaks High serves approximately 213 students, and covers grades 9th-12th, and has a 16.4:1 student-teacher ratio. Twin Oaks High has a current MySchoolScout rating of 5.6 out of 10 and ranks #6,307 of 9,539 schools in CA.
Structured state assessment records for Twin Oaks High show 7% math proficiency (multi-year average, 2009-2024) and 20% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 5.6 · Average
- District avg 5.6
- CA avg 6.5
What Parents Should Know
Test scores at Twin Oaks High sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.
82% of students at Twin Oaks High were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Twin Oaks High — Students at Twin Oaks High score 6% proficient, which is below what's typical for similar communities (expected: 40%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
60.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 20 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.9/10.
How Twin Oaks High Compares
See how Twin Oaks High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
158 Cassou Rd., San Marcos, CA 92069
Nearby Alternatives
Families considering Twin Oaks High may also want to explore other high schools in the area. Foothills High (rated 5.8/10), with a very similar rating. Additionally, Mission Hills High (rated 5.4/10, 2.6 miles away), with a very similar rating. For more schools in San Marcos, see our San Marcos schools guide .
Nearby Schools
20 within 3.6 mi| School | Distance | Rating |
|---|---|---|
| Foothills High San Marcos | 0.0 mi | 5.8 |
| Twin Oaks Elementary San Marcos | 0.2 mi | 4.5 |
| Richland Elementary San Marcos | 1.9 mi | 7.4 |
| Paloma Elementary San Marcos | 2.1 mi | 7.7 |
| San Marcos Middle San Marcos | 2.5 mi | 6.2 |
| Mission Hills High San Marcos | 2.6 mi | 5.4 |
| North Coastal Consortium Schools San Marcos | 2.7 mi | 5.8 |
| San Marcos Elementary San Marcos | 2.7 mi | 4.2 |
| Woodland Park Middle San Marcos | 2.7 mi | 5.3 |
| Baypoint Preparatory Academy - San Diego San Marcos | 2.9 mi | 8.1 |
| Rancho Minerva Middle Vista | 3.1 mi | 3.9 |
| Monte Vista Elementary Vista | 3.2 mi | 3.8 |
| Knob Hill Elementary San Marcos | 3.6 mi | 5.8 |
| La Mirada Academy San Marcos | 3.6 mi | 4.9 |
| ST JOSEPH ACADEMY San Marcos | 3.5 mi | 6.0 |
| Hannalei Elementary Vista | 3.3 mi | 5.1 |
| Joli Ann Leichtag Elementary Vista | 3.5 mi | 5.5 |
| Discovery Elementary San Marcos | 4.1 mi | 8.3 |
| Dual Language Immersion North County Vista | 3.6 mi | 8.8 |
| Classical Academy Vista Vista | 3.6 mi | 7.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 92069 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$93,065
Median Home Value
$714,700
Median Rent
$2,078/mo
Population
46,825
College Educated
34.9%
Homeownership
55.8%
Avg Commute
26.1 min
Poverty Rate
11.8%
Median Age
36.5
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| BAIS YAAKOV SCHOOL FOR GIRLS Los Angeles, CA | 5.6 |
| Desert Oasis High (Continuation) El Centro, CA | 5.6 |
| Fusion Charter Turlock, CA | 5.6 |
| Mountain Vista High Madera, CA | 5.6 |
| Nueva Vista Continuation High Jurupa Valley, CA | 5.6 |
| Redwood High Redwood City, CA | 5.6 |
Frequently Asked Questions
Common questions about Twin Oaks High
What grades does Twin Oaks High serve?
Twin Oaks High serves students in grades 9th through 12th.
How many students attend Twin Oaks High?
Twin Oaks High has an enrollment of approximately 213 students.
What is the student-teacher ratio at Twin Oaks High?
The student-teacher ratio at Twin Oaks High is 16.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Twin Oaks High rank in CA?
Twin Oaks High ranks #6,307 of 9,539 schools in CA.
What is Twin Oaks High's MySchoolScout rating?
Twin Oaks High has a current MySchoolScout rating of 5.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Twin Oaks High?
Based on loaded state assessment records, Twin Oaks High has 7% math proficiency (multi-year average, 2009-2024) and 20% reading/ELA proficiency (multi-year average, 2009-2024).
Is Twin Oaks High a charter school?
No, Twin Oaks High is not a charter school. It is a traditional public school operated by the local school district.
Is Twin Oaks High a Title I school?
No, Twin Oaks High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Twin Oaks High?
60.6% of students at Twin Oaks High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 213
- Student-Teacher Ratio
- 16.4:1
- Teachers (FTE)
- 13
- Free/Reduced Lunch
- 60.6%
- Type
- alternative
- Setting
- Large Suburb
- County
- San Diego County
- Chronic Absenteeism (SY 2022-23)
- 82.2%
- Phone
- (760) 290-2555
- 4-Year Graduation
- 92.0%
Resources & Links
District
San Marcos Unified- District Enrollment
- 19,374
- Schools in District
- 19
- Per-Pupil Spending
- $14,639
- District Rank
- #13 of 19
Other Schools in This District
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