For the 2026 school year, there are 5 public schools serving 1,786 students in Port Isabel, TX (there are 2 private schools, serving 30 private students). 99% of all K-12 students in Port Isabel, TX are educated in public schools (compared to the TX state average of 94%).
The top-ranked public schools in Port Isabel, TX are Derry Elementary School, Port Isabel J High School and Garriga Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Port Isabel, TX public schools have an average math proficiency score of 31% (versus the Texas public school average of 44%), and reading proficiency score of 44% (versus the 51% statewide average). Schools in Port Isabel have an average ranking of 3/10, which is in the bottom 50% of Texas public schools.
Minority enrollment is 93% of the student body (majority Hispanic), which is more than the Texas public school average of 76% (majority Hispanic).
Best Public Schools in Port Isabel, TX (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Derry Elementary School
(Math: 50% | Reading: 44%)
Rank:
Rank:
6/
Top 50%10
1702 2nd St
Port Isabel, TX 78578
(956) 943-0070
Port Isabel, TX 78578
(956) 943-0070
Gr: PK-5 | 392 students Student-teacher ratio: 15:1 Minority enrollment: 91%
Rank: #22.
Port Isabel J High School
(Math: 25% | Reading: 50%)
Rank:
Rank:
4/
Bottom 50%10
17001 Hwy 100
Port Isabel, TX 78578
(956) 943-0060
Port Isabel, TX 78578
(956) 943-0060
Gr: 6-8 | 396 students Student-teacher ratio: 12:1 Minority enrollment: 94%
Rank: #33.
Garriga Elementary School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
3/
Bottom 50%10
200 W Adams
Port Isabel, TX 78578
(956) 943-0080
Port Isabel, TX 78578
(956) 943-0080
Gr: PK-5 | 410 students Student-teacher ratio: 15:1 Minority enrollment: 95%
Rank: #44.
Port Isabel Early College High School
(Math: 21% | Reading: 36%)
Rank:
Rank:
2/
Bottom 50%10
18001 Hwy 100
Port Isabel, TX 78578
(956) 943-0030
Port Isabel, TX 78578
(956) 943-0030
Gr: 9-12 | 585 students Student-teacher ratio: 13:1 Minority enrollment: 93%
Rank: n/an/a
Cameron Co J J A E P
Alternative School
101 Port Rd
Port Isabel, TX 78578
(956) 943-0011
Port Isabel, TX 78578
(956) 943-0011
Gr: 10-12 | 3 students Minority enrollment: 67%
Frequently Asked Questions
What are the top-ranked public schools in Port Isabel, TX?
The top-ranked public schools in Port Isabel, TX include Derry Elementary School, Port Isabel J High School and Garriga Elementary School.
How many public schools are located in Port Isabel?
5 public schools are located in Port Isabel.
What percentage of students in Port Isabel go to public school?
99% of all K-12 students in Port Isabel are educated in public schools (compared to the TX state average of 94%).
What is the racial composition of students in Port Isabel?
Port Isabel public schools minority enrollment is 93% of the student body (majority Hispanic), which is more than the Texas public schools average of 76% (majority Hispanic).
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.