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Average

#4784 of 8,547 schools in TX

San Marcos H S

High School · SAN MARCOS CISD

P O BOX 1087, San Marcos, TX 78667

Enrollment

2,494

Student-Teacher

14.8:1

Score

6.1

Grades

9th – 12th

Updated 2022-23

How this school compares

In San Marcos

#8 of 15

public schools

Texas high schools

#1,163 of 1,699

In district

#4 of 11

SAN MARCOS CISD

Academic growth

8.9 / 10

Exceptional

About San Marcos H S

San Marcos High School serves 2,494 students in grades 9-12 in San Marcos, Texas, making it a large comprehensive high school in Hays County. With 168 full-time equivalent teachers, the school maintains a student-teacher ratio of 14.8:1, providing reasonable class sizes for a school of this magnitude. As a regular public high school, San Marcos High School ranks in the 45th percentile among Texas high schools, placing #4693 out of 8598 schools statewide with a MySchoolScout rating of 5.3 out of 10.

This indicates the school has room for academic growth as it works to serve its diverse student body effectively. The substantial enrollment of nearly 2,500 students suggests San Marcos High School likely offers a wide range of courses, extracurricular activities, and athletic programs typical of larger high schools, though the specific programming details vary. The size allows for diverse opportunities while the manageable student-teacher ratio helps ensure students can receive appropriate attention from their instructors.

San Marcos High School operates within the growing community of San Marcos, a vibrant small city in Central Texas known for its proximity to both Austin and San Antonio, creating a dynamic environment for students and families.

What Parents Should Know

San Marcos H S is a large school with 2,494 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.9Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-0.5 pts/yr
Data Period2019–2021
TrendStable
Academics5.3Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency26%
Reading/ELA Proficiency31%
Overall Proficiency29%
Expected (poverty-adj.)33%
vs. Expected-4.3 pts
Adjusted Percentile34th
College Readiness4.1Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation15.3%
IB ProgramNo
Resources & Environment6.4Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio14.8:1
Per-Pupil Spending$11,826

San Marcos H S — Students at San Marcos H S score 28% proficient, which is below what's typical for similar communities (expected: 33%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

74.5%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 21.5%
School
State
N/A
ELA Proficiency 36.5%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
17%
ELA
42%
2021*
Math
26%
ELA
31%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.9/10.

How San Marcos H S Compares

See how San Marcos H S performs across key quality dimensions compared to state benchmarks.

Overall Score
6.1/10
44th percentile in TX
Academic
5.3/10
5.3/10
Growth
8.9/10
Above average
Environment
6.4/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
75%
Teaching Staff
15:1 student-teacher ratio
168 teachers

Location

P O BOX 1087, San Marcos, TX 78667

Nearby Alternatives

Families considering San Marcos H S may also want to explore other high schools in the area. SOUTHWEST TEXAS HIGH SCHOOL (rated 8.8/10, 6.2 miles away), which scores notably higher. Another option is TRAVIS EL (rated 8.1/10, 5.4 miles away), which scores notably higher. Additionally, TEXAS PREPARATORY SCHOOL (rated 8.0/10, 5.5 miles away), which scores notably higher. For more schools in San Marcos, see our San Marcos schools guide .

Nearby Schools

20 within 8.8 mi
School Distance Rating
BOWIE EL San Marcos 0.5 mi 5.0
HAYS INSPIRE ACADEMY San Marcos 0.7 mi
MENDEZ EL San Marcos 2.5 mi 3.6
DEZAVALA EL San Marcos 2.5 mi 5.4
GOODNIGHT MIDDLE San Marcos 2.6 mi 4.3
PALOMA MONTESSORI SCHOOL San Marcos 2.6 mi 3.8
BONHAM PRE-K SCHOOL San Marcos 2.8 mi 5.6
MILLER MIDDLE San Marcos 2.8 mi 6.0
RODRIGUEZ EL San Marcos 2.8 mi 6.5
HERNANDEZ EL San Marcos 3.2 mi 7.6
CROCKETT EL San Marcos 4.4 mi 5.7
ADVENT RIDGE ACADEMY San Marcos 5.0 mi 6.2
TRAVIS EL San Marcos 5.4 mi 8.1
KI CHARTER ACADEMY San Marcos 5.4 mi 6.7
TEXAS PREPARATORY SCHOOL San Marcos 5.5 mi 8.0
WONDERLAND SCHOOL San Marcos 5.6 mi 6.2
SAN MARCOS BAPTIST ACADEMY San Marcos 6.1 mi 7.4
SOUTHWEST TEXAS HIGH SCHOOL San Marcos 6.2 mi 8.8
BLANCO VISTA EL San Marcos 9.2 mi 6.6
OAK CREEK EL New Braunfels 8.8 mi 6.7

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
CANUTILLO H S Canutillo, TX 6.1
CANYON H S New Braunfels, TX 6.1
CYPRESS PARK H S Cypress, TX 6.1
FRENSHIP H S Wolfforth, TX 6.1
GEORGE BUSH H S Richmond, TX 6.1
HUMBLE H S Humble, TX 6.1

Frequently Asked Questions

Common questions about San Marcos H S

What grades does San Marcos H S serve?

San Marcos H S serves students in grades 9th through 12th.

How many students attend San Marcos H S?

San Marcos H S has an enrollment of approximately 2,494 students.

What is the student-teacher ratio at San Marcos H S?

The student-teacher ratio at San Marcos H S is 14.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does San Marcos H S rank in TX?

San Marcos H S is ranked #4784 out of 8,547 schools in TX.

What is San Marcos H S's MySchoolScout rating?

San Marcos H S has a composite rating of 6.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at San Marcos H S?

Based on the most recent state assessment data, San Marcos H S has 21.5% math proficiency and 36.5% reading/ELA proficiency.

Is San Marcos H S a charter school?

No, San Marcos H S is not a charter school. It is a traditional public school operated by the local school district.

Is San Marcos H S a Title I school?

No, San Marcos H S is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for San Marcos H S?

74.5% of students at San Marcos H S qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
6 Car-Dependent
Bike Score
30 Somewhat Bikeable
City Safety
High (2,620/100K)

Powered by Walk Score

FBI UCR 2024. City-level (San Marcos). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,494
Student-Teacher Ratio
14.8:1
Teachers (FTE)
168
Free/Reduced Lunch
74.5%
Type
regular
Setting
Small City
County
Hays County
Data Year
2023–2024

District

SAN MARCOS CISD
District Enrollment
8,311
Schools in District
11
Per-Pupil Spending
$12,760
District Rank
#4 of 11

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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