For the 2026-27 school year, there are 2 public high schools serving 1,222 students in Isabela, PR.
The top-ranked public high schools in Isabela, PR are Francisco Mendoza and Dr. Heriberto Domenech. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Isabela, PR public high schools have an average math proficiency score of 5% (versus the Puerto Rico public high school average of 14%), and reading proficiency score of 35% (versus the 36% statewide average). High schools in Isabela have an average ranking of 4/10, which is in the bottom 50% of Puerto Rico public high schools.
Minority enrollment is 100% of the student body (majority Hispanic), which is equal to the Puerto Rico public high school average of 100% (majority Hispanic).
Best Public High Schools in Isabela, PR (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Francisco Mendoza
(Math: ≤5% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
Calle Corchado
Isabela, PR 00662
(787) 872-2275
Isabela, PR 00662
(787) 872-2275
Gr: 9-12 | 460 students Student-teacher ratio: 12:1
Rank: #22.
Dr. Heriberto Domenech
Magnet School
(Math: ≤5% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
Carr 2 Km 112 Bo Mora
Isabela, PR 00662
(787) 830-2915
Isabela, PR 00662
(787) 830-2915
Gr: 9-12 | 762 students Student-teacher ratio: 12:1
Isabela, Puerto Rico Public Schools (Closed)
School
Location
Quick Facts
Carr 112 Km 0 Hm 4 Parcelas Mo
Isabela, PR 00662
(787) 830-5780
Isabela, PR 00662
(787) 830-5780
Gr: K-6 | 167 students Student-teacher ratio: 13:1
99 Ave Estacion Sect Los Melen
Isabela, PR 00662
(787) 830-2925
Isabela, PR 00662
(787) 830-2925
Gr: K-6 | 323 students Student-teacher ratio: 13:1
Carr 475 Km 0 Hm 9 Bo Arenales
Isabela, PR 00662
(787) 872-4096
Isabela, PR 00662
(787) 872-4096
Gr: K-6 | 128 students Student-teacher ratio: 12:1
Bo. Planas De Isabela
Isabela, PR 00662
(787) 872-3440
Isabela, PR 00662
(787) 872-3440
Gr: K-5 | 114 students Student-teacher ratio: 10:1
Carr 4474 Calle 5 Sect Mantill
Isabela, PR 00662
(787) 872-5050
Isabela, PR 00662
(787) 872-5050
Gr: 1-6 | 89 students Student-teacher ratio: 8:1
199 Ave Estacion Sect Los Mele
Isabela, PR 00662
(787) 872-2440
Isabela, PR 00662
(787) 872-2440
Gr: K-5 | 135 students Student-teacher ratio: 9:1
Carr 466 Km 3 Hm 5 Bo Jobos
Isabela, PR 00662
(787) 872-5520
Isabela, PR 00662
(787) 872-5520
Gr: K-6 | 109 students Student-teacher ratio: 11:1 Minority enrollment: 98%
60 Calle Barbosa
Isabela, PR 00662
(787) 872-2388
Isabela, PR 00662
(787) 872-2388
Gr: 7-9 | 412 students Student-teacher ratio: 15:1
Calle Ensanche Gonzalez
Isabela, PR 00662
(787) 872-2320
Isabela, PR 00662
(787) 872-2320
Gr: PK-5 | 187 students Student-teacher ratio: 10:1
Carr 474 Km. 3.9 Galateo Alto
Isabela, PR 00662
(787) 872-5430
Isabela, PR 00662
(787) 872-5430
Gr: K-5 | 184 students Student-teacher ratio: 12:1
Superior Vocacional Heriberto Domenech (Closed 2013)
Vocational School
Carr 2 Km11.2 Bo Mora
Isabela, PR 00662
(787) 896-1250
Isabela, PR 00662
(787) 896-1250
Frequently Asked Questions
What are the top-ranked public high schools in Isabela, PR?
The top-ranked public high schools in Isabela, PR include Francisco Mendoza and Dr. Heriberto Domenech.
How many public high schools are located in Isabela?
2 public high schools are located in Isabela.
What is the racial composition of students in Isabela?
Isabela public high schools minority enrollment is 100% of the student body (majority Hispanic), which is equal to the Puerto Rico public high schools average of 100% (majority Hispanic).
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