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6.2 avg / 10

San Marcos Unified School District

School District · San Marcos, California

Students: 19,374
Teachers (FTE): 794

Avg Rating

6.2

out of 10

Schools

19

12 elem, 3 mid, 4 high

Per-Pupil Spending

$14,639

Student-Teacher Ratio

24.4:1

District shortlistschools + peers

Evaluating San Marcos Unified?

A district shares budget, policy, and attendance zones across its schools — use this page to judge San Marcos Unified as a whole, then compare how its individual schools differ.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Discovery Elementary

8.3/10

San Marcos · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

La Costa Meadows Elementary

8.0/10

Carlsbad · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

Paloma Elementary

7.7/10

San Marcos · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

How this district compares

California rank

#365 of 713

districts by avg. composite

Vs. state average

-0.1

below California avg

Per-pupil spending

$14,639

$3,008 vs California median

District size

19,374 students

Much larger than California median

The short answer

San Marcos Unified ranks #365 of 713 California districts by overall school rating. San Marcos Unified's schools with real test data average 6.2/10 across 19 schools. Its top-rated schools are Discovery Elementary (8.3/10), La Costa Meadows Elementary (8.0/10), and Paloma Elementary (7.7/10). Schools with estimated (proxy) scores are excluded from this ranking.

Best value · beats the odds
Discovery Elementary

Rates 8.3/10 despite 20% of students being economically disadvantaged. That's about 1.2 points higher than its student-poverty level predicts. Roughly as clean a case of strong results without an affluent-ZIP price tag as you'll find among San Marcos Unified schools.

Most improved · 2022 → 2024
Double Peak

STAAR proficiency rose +6.0 points from 2022 to 2024. That's the biggest jump among San Marcos Unified schools across the two most recent comparable testing years.

Top-Rated Schools in San Marcos Unified

Ranked by MySchoolScout composite rating using only schools with real test data (19 of 19). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.

# School Rating
1 Discovery Elementary 8.3 / 10
2 La Costa Meadows Elementary 8.0 / 10
3 Paloma Elementary 7.7 / 10
4 Richland Elementary 7.4 / 10
5 Double Peak 7.3 / 10
6 San Elijo Elementary 7.2 / 10
7 Carrillo Elementary 6.7 / 10
8 San Marcos Middle 6.2 / 10
9 San Elijo Middle 5.8 / 10
10 Knob Hill Elementary 5.8 / 10

See all 19 schools — including those with estimated data — in the full directory below. How we rate schools.

About San Marcos Unified

San Marcos Unified is a San Marcos, California school district serving 19 schools. The district educates 19,374 students with a student-teacher ratio of 24.4:1. The district invests $14,639 per student annually.

With an average rating of 6.2/10, San Marcos Unified demonstrates solid academic performance.

The highest-rated school in the district is Discovery Elementary, which has a composite score of 8.3/10.

In standardized testing, San Marcos Unified students show an average math proficiency of 54.5% and ELA proficiency of 61.6%.

The district includes 12 elementary schools , 3 middle schools , and 4 high schools.

District Map

Schools in San Marcos Unified, colored by MySchoolScout rank. Click a pin for details.

District Average Test Scores

Math Proficiency 54.5%
School
State
N/A
ELA Proficiency 61.6%
School
State
N/A

Average proficiency across all schools in San Marcos Unified with test data.

District Details

City
San Marcos
Total Enrollment
19,374
Teachers (FTE)
794
Child Poverty Rate
0.1%
Data Year
2023

Frequently Asked Questions

How many schools are in San Marcos Unified?

San Marcos Unified has 19 schools in total — 12 elementary, 3 middle, and 4 high schools. You can explore each school's ratings and details on this page.

What is the average rating for San Marcos Unified?

The average composite rating for San Marcos Unified is 6.2/10. This score is calculated from the individual ratings of all schools with academic data in the district.

What is the per-pupil spending in San Marcos Unified?

San Marcos Unified spends $14,639 per student per year.

What is the student-teacher ratio in San Marcos Unified?

The average student-teacher ratio in San Marcos Unified is 24.4:1.

What is the top-rated school in San Marcos Unified?

Discovery Elementary is the highest-rated school in San Marcos Unified with a composite score of 8.3/10.

What are the test scores in San Marcos Unified?

Across schools in San Marcos Unified with test data, the average math proficiency is 54.5% and the average ELA (reading/writing) proficiency is 61.6%. These figures represent the percentage of students meeting or exceeding grade-level standards.

How does San Marcos Unified compare to other districts in California?

San Marcos Unified has an average school rating of 6.2/10 across 19 schools. Families can compare this to other districts in California by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.

How does MySchoolScout rate schools?

MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.

District Averages

Overall Rating
6.2/10
Math Proficiency
54.5%
ELA Proficiency
61.6%

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.

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