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).
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.