For the 2026 school year, there are 5 public schools serving 1,857 students in Port Isabel, TX (there are , serving 59 private students). 97% 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 75% (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 | 409 students Student-teacher ratio: 14:1 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 | 413 students Student-teacher ratio: 13:1 Minority enrollment: 92%
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 | 432 students Student-teacher ratio: 14:1 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 | 593 students Student-teacher ratio: 13:1 Minority enrollment: 92%
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: 7-11 | 10 students
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?
97% 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 75% (majority Hispanic).
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