For the 2026 school year, there are 5 public middle schools serving 1,437 students in San Lorenzo, PR.
The top-ranked public middle schools in San Lorenzo, PR are Jagual Adentro, Dra. Maria T. Delgado De Marcano and Carlos Zayas. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
San Lorenzo, PR public middle schools have an average math proficiency score of 8% (versus the Puerto Rico public middle school average of 17%), and reading proficiency score of 28% (versus the 33% statewide average). Middle schools in San Lorenzo have an average ranking of 2/10, which is in the bottom 50% of Puerto Rico public middle schools.
Minority enrollment is 100% of the student body (majority Hispanic), which is equal to the Puerto Rico public middle school average of 100% (majority Hispanic).
Best Public Middle Schools in San Lorenzo, PR (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Jagual Adentro
(Math: 6-9% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
Carr 181 Ramal 765 Km 2 Bo Jag
San Lorenzo, PR 00754
(787) 736-7877
San Lorenzo, PR 00754
(787) 736-7877
Gr: PK-8 | 282 students Student-teacher ratio: 9:1
Rank: #22.
Dra. Maria T. Delgado De Marcano
(Math: 15% | Reading: 27%)
Rank:
Rank:
4/
Bottom 50%10
Carr 9929 Km 0 Hm 2 Bo Florida
San Lorenzo, PR 00754
(787) 736-0470
San Lorenzo, PR 00754
(787) 736-0470
Gr: K-8 | 353 students Student-teacher ratio: 11:1
Rank: #33.
Carlos Zayas
(Math: 6-9% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
Carr 916 Km 4 Hm 4 Cerro Gordo
San Lorenzo, PR 00754
(787) 736-9633
San Lorenzo, PR 00754
(787) 736-9633
Gr: K-8 | 175 students Student-teacher ratio: 12:1 Minority enrollment: 99%
Rank: #44.
Jorge Rosario Del Valle
(Math: 5% | Reading: 30%)
Rank:
Rank:
3/
Bottom 50%10
Carr 181 Km 12 Bo Espino
San Lorenzo, PR 00754
(787) 736-5830
San Lorenzo, PR 00754
(787) 736-5830
Gr: PK-12 | 418 students Student-teacher ratio: 12:1
Rank: #55.
Generoso Morales Munoz
(Math: ≤1% | Reading: 19%)
Rank:
Rank:
1/
Bottom 50%10
Ave Jose De Diego 58
San Lorenzo, PR 00754
(787) 736-6658
San Lorenzo, PR 00754
(787) 736-6658
Gr: 6-8 | 209 students Student-teacher ratio: 10:1
Frequently Asked Questions
What are the top-ranked public middle schools in San Lorenzo, PR?
The top-ranked public middle schools in San Lorenzo, PR include Jagual Adentro, Dra. Maria T. Delgado De Marcano and Carlos Zayas.
How many public middle schools are located in San Lorenzo?
5 public middle schools are located in San Lorenzo.
What is the racial composition of students in San Lorenzo?
San Lorenzo public middle schools minority enrollment is 100% of the student body (majority Hispanic), which is equal to the Puerto Rico public middle schools average of 100% (majority Hispanic).
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