Best 78221 Texas Public High Schools (2026)

For the 2026 school year, there are 7 public high schools serving 4,193 students in 78221, TX.
The top-ranked public high schools in 78221, TX are Idea South Flores College Preparatory, Southside High School and Mccollum High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 78221 have an average math proficiency score of 24% (versus the Texas public high school average of 38%), and reading proficiency score of 40% (versus the 47% statewide average). High schools in 78221, TX have an average ranking of 3/10, which is in the bottom 50% of Texas public high schools.
Public high school in zipcode 78221 have a Graduation Rate of 89%, which is less than the Texas average of 90%.
The school with highest graduation rate is Idea South Flores College Preparatory, with 90-94% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public high school average of 75% (majority Hispanic).

Best 78221, TX Public High Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Idea South Flores College Preparatory
Charter School
(Math: 33% | Reading: 68%)
Rank:
6/
10
Top 50%
6919 S Flores
San Antonio, TX 78221
(210) 239-4150
Gr: 6-12 | 715 students Student-teacher ratio: 15:1 Minority enrollment: 95%
Rank: #22.
Southside High School
(Math: 24% | Reading: 34%)
Rank:
2/
10
Bottom 50%
19190 Us-281 S #2
San Antonio, TX 78221
(210) 882-1606
Gr: 9-12 | 1,772 students Student-teacher ratio: 17:1 Minority enrollment: 94%
Rank: #33.
Mccollum High School
(Math: 19% | Reading: 29%)
Rank:
1/
10
Bottom 50%
500 W Formosa Blvd
San Antonio, TX 78221
(210) 989-1500
Gr: 9-12 | 1,502 students Student-teacher ratio: 14:1 Minority enrollment: 97%
Rank: #44.
Southside Alter Center
Alternative School
(Math: <50% | Reading: <50% )
Rank:
1/
10
Bottom 50%
3223 S Loop 1604 W
San Antonio, TX 78221
(210) 882-1604
Gr: 6-12 | 22 students Student-teacher ratio: 11:1 Minority enrollment: 95%
Rank: #55.
Frank M Tejeda Academy
Alternative School
(Math: ≤5% | Reading: 6-9%)
Rank:
1/
10
Bottom 50%
12121 S E Loop 410
San Antonio, TX 78221
(210) 989-4900
Gr: 9-12 | 144 students Student-teacher ratio: 8:1 Minority enrollment: 99%
Rank: n/an/a
Bexar Co J J A E P
Alternative School
1460 Martinez Losoya Rd
San Antonio, TX 78221
(210) 882-1604
Gr: 9-12 | 3 students
Rank: n/an/a
Hac Daep High School
Alternative School
12121 S E Loop 410
San Antonio, TX 78221
(210) 921-4463
Gr: 9-12 | 35 students Student-teacher ratio: 9:1

Frequently Asked Questions

What are the top-ranked public high schools in 78221, TX?
The top-ranked public high schools in 78221, TX include Idea South Flores College Preparatory, Southside High School and Mccollum High School.
How many public high schools are located in 78221?
7 public high schools are located in 78221.
What is the racial composition of students in 78221?
78221 public high schools minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public high schools average of 75% (majority Hispanic).

Recent Articles

When “Free Public School” Still Isn’t Free
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.

Quick Links