San Marcos High School

Direction2601 Rattler Rd, San Marcos, TX, 78666
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Public School SAN MARCOS CISD High School

Accountability Ratings

C
Average
Start FullStart FullStart FullStar EmptyStar Empty
TEA Ratings
Scaled Score
Student Achievement 71
Student Progress 76
Closing Performance Gaps 74
Overall 75

Distinction Designations

MedalMedal
Read/ELA
Mathematics
Science
Social Studies
Post-Secondary
Comparative Academic Growth
Comparative Closing the Gaps

Discover Excellence at San Marcos High School

Situated in the vibrant heart of San Marcos, Texas, at 2601 Rattler Road, San Marcos High School stands as a beacon of academic excellence and innovative learning within the SAN MARCOS CISD. With a dedicated staff of 157 teachers boasting an average of 11 years of educational experience, our school is committed to fostering an environment where every student thrives.

Our Commitment to Education
At San Marcos High School, we pride ourselves on our experienced faculty, who have been part of our community for an average of 7 years, ensuring stability and a deep understanding of our educational ethos. With a low student-to-teacher ratio of 15.60, we guarantee personalized attention and tailored support for each of our 2,447 students, helping them to succeed in their academic and personal lives.

Supportive and Nurturing Environment
Education extends beyond the classroom, which is why we employ 23 dedicated educational aids to provide additional support and enrich the learning experience. This team works closely with teachers and students, creating a nurturing environment that encourages every student to reach their full potential.

A School That Prepares for the Future
At San Marcos High School, we are not just about academics; we are about preparing students for life. Our comprehensive curriculum and wide array of extracurricular activities ensure that students are not only college-ready but also equipped with the skills necessary to excel in the real world.

Join Our Community
We invite you to become a part of our dynamic community. For more information or to schedule a visit, please call us at (512) 393-6805. Experience firsthand why San Marcos High School is a place where students are inspired, engaged, and ready to make a positive impact in the world. Join us and be a part of shaping the future at San Marcos High School!

School Summary

Public School
Grade Span
09-12
Enrollment
2371
Is Charter
No
Address
2601 RATTLER RD, SAN MARCOS, TX, 78666
Get Directions
Principal
MRS TWILA GUAJARDO
School District
Phone
(512) 393-6805
County
School boundary map anomalies in street representation can and do occur, please contact the school directly using the number listed above.

San Marcos High School Student / Staff Statistics

Student Statistics

Racial/Ethnic Group
Racial/Ethnic Group Number Percent
African American 125 5.27%
Hispanic 1,712 72.21%
White 453 19.11%
Asian 20 0.84%
Native American 5 0.21%
Two or More Races 50 2.11%
Total Students 2,371 100.00%
Eco Disadvantaged 1,737 73.26%
Limited English Proficiency 370 15.61%
Program/Count/Percent
Program Count Percent
Bilingual 364 15.35%
Gifted & Talented 409 17.25%
Special Education 396 16.70%
Teacher Student Ratio 14.80 S/T

Staff Statistics

By Experience
By Experience Count Percent
Over 30 years 5 3.13%
20 - 30 years 18 11.13%
10 - 20 years 44 27.58%
6 - 10 years 26 16.26%
1- 5 years 47 29.39%
Beginning Teacher 20 12.57%
Teacher Experience Average 10.10 yrs
Teacher Tenure Average 7.20 yrs
Teacher Type Number Percent
Total Teachers 160 100%
Female Teachers 86 53.60 %
Male Teachers 74 46.40 %
School Admin 9
School Support 15
Edu Aids 20
Special Education 30

San Marcos High School 2025 STAAR Statistics

STAAR Statistics
Group All Subjects Read/ELA Math Science Soc Studies
ALL 71% 62% 56% 86% 95%
African American 67% 52% 68% 89% 88%
Hispanic 68% 58% 50% 84% 94%
White 85% 81% 69% 94% 100%
Asian 100% 100% *% 100% 100%
Two or More Races 83% 78% 86% 82% 100%
Economically Disadvantaged 66% 56% 52% 82% 93%
Male Students 68% 57% 55% 85% 94%
Female Students 75% 67% 57% 87% 96%
Special Education 43% 28% 36% 69% 77%
Limited English Proficiency 57% 44% 47% 75% 88%

Class of 2024 Graduates

Standardized Test

Class Graduate
Group %
Tested
SAT
Avg
ACT
Avg
Abv
Criteria
ALL 83 907 22.4 15.7
African American 89.3 849 * 4
Hispanic 81.1 879 19.7 10.9
White 89.4 1010 22.9 34.4
Asian 85.7 1202 26.2 50
Two or More Races 71.4 882 * 20
Male Students 78.8 924 24.5 18.7
Female Students 86.9 892 21.1 13.1
Special Education n/a n/a n/a n/a
Eco Disadvantaged n/a n/a n/a n/a

Graduation

Class Graduate
Group Read
Ready
Math
Ready
Both
Ready
Graduated GED Cont. Dropout
ALL 69.3 60.4 55 91.3 0.3 0.9 7.5
African American 71.4 60.7 50 93.1 n/a n/a 6.9
Hispanic 66.7 57.6 51.7 91.3 0.2 1.2 7.3
White 77.9 70.2 67.3 90.8 0.9 n/a 8.3
Asian 85.7 71.4 71.4 85.7 n/a n/a 14.3
Two or More Races 71.4 71.4 71.4 100 n/a n/a n/a
Male Students n/a n/a n/a 88.8 0.4 0.7 10.1
Female Students n/a n/a n/a 93.7 0.3 1 5
Special Education 46.8 32.5 27.3 84.5 n/a 2.8 12.7
Eco Disadvantaged 66.3 56.7 50.6 90.4 0.2 0.7 8.6

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Homes for Sale near San Marcos High School

921 Sagewood Trl

San Marcos, TX 78666
$400K
Active
3,144 sqft.

607 CONWAY DR

San Marcos, TX 78666
$230K
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3 beds
1 bath
1,281 sqft.

8139 Ozark

San Marcos, TX 78666
$730K
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3 beds
2 baths
2,381 sqft.

128 Bigtooth Maple Lane

San Marcos, TX 78666
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4 beds
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3,680 sqft.

332 Puppy Dog Pass

San Marcos, TX 78666
$496K
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3 beds
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Homes for Rent near San Marcos High School

1501 Earle Street

San Marcos, TX 78666
$2K
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3 beds
1 bath
1,508 sqft.

1321 Harris Hill Rd

San Marcos, TX 78666
$1K
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2 beds
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821 Benning

San Marcos, TX 78666
$2K
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3 beds
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101 Calgary Lane

San Marcos, TX 78666
$2K
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3 beds
2 baths
1,509 sqft.

317 Lily Pond Trl

San Marcos, TX 78666
$2K
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3 beds
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1,409 sqft.

Recently Sold Homes near San Marcos High School

Sold: 04/08/2026

132 Missouri Primrose

San Marcos, TX 78666
$370K - $420K
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1005 Teakmill

San Marcos, TX 78666
$370K - $420K
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414 Brazoria Trl

San Marcos, TX 78666
$250K - $285K
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141 RAYMONDVILLE PATH

San Marcos, TX 78666
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109 MORNING SIDE GROVE

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Nearby High Schools

Compare San Marcos High School

Compare School Ratings, Demographic Make-up and Statistics

San Marcos High School
Directions2601 RATTLER RD, SAN MARCOS, TX, 78666
C
Average
rating starrating starrating starrating starrating star 3/5
2/7
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