San Marcos H S
🇺🇸 Official data · 2025San Marcos, Texas 78666 · San Marcos Cisd
#1314 of 1,419 high schools in Texas
#13793 of 16,910 nationally
About San Marcos H S
San Marcos H S is a public high located in San Marcos, in the San Marcos Cisd school district of Texas, United States. It caters for Grades 9–12. In 2025 it enrolled 2,371 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 27.9 out of 100, placing it in the lower 50% of high schools in United States and 1314th of 1,419 ranked high schools in Texas. Its strongest component is students per teacher (50th percentile), and its weakest is math proficiency (15th percentile).
Other published figures: enrollment 2,371.
There are 12 schools in San Marcos; San Marcos H S ranks 10th of 11 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)17%
- Reading proficiency (30%)42%
- Community advantage (fewer free/reduced-price lunch) (25%)73.3%
- Students per teacher (15%)14.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for San Marcos H S by the official sources.
- Enrollment
- 2,371
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 73.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 17%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near San Marcos H S
Closest schools by straight-line distance, with their Success Index (US).
Bowie El
San Marcos · Public elementary · Grades K–5
580 students · 837 m away
Mendez El
San Marcos · Public elementary · Grades K–5
533 students · 4.0 km away
Dezavala El
San Marcos · Public elementary · Grades K–5
584 students · 4.0 km away
Goodnight Middle
San Marcos · Public middle · Grades 6–8
884 students · 4.2 km away
Bonham Pre-K School
San Marcos · Public other · Grades PK–PK
380 students · 4.5 km away
Miller Middle
San Marcos · Public middle · Grades 6–8
896 students · 4.6 km away
Rodriguez El
San Marcos · Public elementary · Grades K–5
445 students · 4.6 km away
Hernandez El
San Marcos · Public elementary · Grades K–5
577 students · 5.1 km away
Crockett El
San Marcos · Public elementary · Grades K–5
477 students · 7.1 km away
Travis El
San Marcos · Public elementary · Grades K–5
440 students · 8.6 km away
Similar schools
Public high schools in Texas with a comparable Enrollment.
Southwest H S
San Antonio · Public high · Grades 9–12
2,363 students
Magnolia West H S
Magnolia · Public high · Grades 9–12
2,356 students
McKinney North H S
McKinney · Public high · Grades 9–12
2,387 students
Irving H S
Irving · Public high · Grades 9–12
2,390 students
Berkner H S
Richardson · Public high · Grades 9–12
2,350 students
Stratford H S
Houston · Public high · Grades 9–12
2,394 students
Frequently asked questions
Is San Marcos H S a good school?
San Marcos H S has a Success Index (US) of 27.9 out of 100 (Lower 50% of high schools in United States) and ranks #1314 of 1,419 in Texas. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does San Marcos H S rank in Texas?
San Marcos H S ranks #1314 of 1,419 high schools in Texas and #13793 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend San Marcos H S?
San Marcos H S had 2,371 students in 2025.
Is San Marcos H S a elementary school or a high school?
San Marcos H S is classified as a high covering Grades 9–12. It is a public school.
What other schools are near San Marcos H S?
There are 10 schools within 15 km of San Marcos H S; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.