How does Twin Oaks High compare to other high schools in San Marcos?

Twin Oaks High has a Scope Score of 35.0/100, ranked #1233 among California high schools. 1% of students exceed standard, with a total of 145 students tested across grades and subjects.

What percentage of students exceed standards at Twin Oaks High?

0.7% of students at Twin Oaks High exceed the state standard on CAASPP assessments, while 5.5% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Twin Oaks High?

68.1% of students at Twin Oaks High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Twin Oaks High

High School

San Marcos Unified San MarcosSan Diego County92069

📍 158 Cassou Road

Scope Score

out of 100

State Rank

of 1,649 California high schools

🌱

Building Momentum

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Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

213 students

Student-Teacher Ratio

16:1

Free/Reduced Lunch

61%

Teachers

13 full-time

College & career readiness

Graduation Rate

85.6%

AP Exam Prepared

100.0%

A-G Completion

1.2%

College-Going Rate

25.2%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

ELA Year-over-Year

Maintained

+0.3 pts DFS change

Math Year-over-Year

Increased

+10.7 pts DFS change

EL Proficiency (ELPAC)

13.3%

English learners at Level 4 (Well Developed) · 30 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic67.6%

White22.5%

Asian1.9%

Black3.8%

Other4.2%

Performance breakdown

Performance breakdown for Twin Oaks High
Category	Percentage
Exceeded Standard	0.7%
Met Standard	4.8%
Below Standard	94.5%

Score Factors

Helping

✓College readiness: 100.0%

AP exam pass rate above state avg (state avg 35.3%)

20% weight

✓Suspension rate: 2.8%

1.3pp below state avg (state avg 4.1%)

5% weight

Holding Back

▼Graduation rate: 85.6%

1.8pp below state avg (state avg 87.4%)

25% weight

▼Exceeded standard: 0.7%

15.0pp below state avg (state avg 15.7%)

20% weight

▼Met or exceeded: 5.5%

29.2pp below state avg (state avg 34.8%)

15% weight

▼Chronic absenteeism: 68.1%

33.8pp above state avg (state avg 34.3%)

10% weight

▼Baseline proficiency: 5.5%

Below state baseline (state avg 34.8%)

5% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The high school Scope Score is weighted across 7 dimensions. See full methodology →

What other rankings don't show you

Most rating sites report "6% proficient" for Twin Oaks High and stop there. Here's what that number hides:

0.7% of students exceeded standard while 4.8% met it. That exceeded rate is 15.0 points below the state average of 15.7%. That's 27.4 points below the San Marcos Unified district average of 28.1%. The 1 nearby schools within ~3 miles average 18.1% exceeded — 17.4 points higher. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 85.6%. 1.2% of students complete A-G requirements for UC/CSU eligibility. 25.2% of graduates go on to college within a year.

Chronic absenteeism is 68.1%, above the state average of 34.3%.

Why the exceeded vs. met split matters →

A low score doesn't tell the whole story. Read: Your School Scored Low — Here's What That Actually Means

Key metrics

% Exceeded Standard

0.7%

Students scoring above proficient

% Met or Above

5.5%

Students meeting standard

Chronic Absenteeism

68.1%

Students missing 10%+ of days

Suspension Rate

2.8%

Students suspended at least once

Total Tested

145

Across all grades & subjects

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	72	1.4%	8.3%	16.7%	73.6%	9.7%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	73	0.0%	1.4%	8.2%	90.4%	1.4%

Estimated K-12 PathEstimate

Elementary

Foothills High

No score

→

Middle

Foothills High

No score

→

High

Twin Oaks High

35.0

This school

Estimated K-12 path based on district and proximity. Actual attendance zones may differ. Contact your school district for official feeder information.