For the 2026 school year, there are 8 public schools serving 2,979 students in San Lorenzo, PR.
The top-ranked public schools in San Lorenzo, PR are Antonio Fernos Isern, Luis Munoz Rivera San Lorenzo and Jagual Adentro. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
San Lorenzo, PR public schools have an average math proficiency score of 11% (versus the Puerto Rico public school average of 24%), and reading proficiency score of 30% (versus the 35% statewide average). Schools in San Lorenzo have an average ranking of 1/10, which is in the bottom 50% of Puerto Rico public schools.
Minority enrollment is 100% of the student body (majority Hispanic), which is equal to the Puerto Rico public school average of 100% (majority Hispanic).
Best Public Schools in San Lorenzo, PR (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Antonio Fernos Isern
Vocational School
Magnet School
Magnet School
(Math: ≤5% | Reading: 53%)
Rank:
Rank:
6/
Top 50%10
Carr 181 Km 32.5 Bo Quebrada
San Lorenzo, PR 00754
(787) 736-8330
San Lorenzo, PR 00754
(787) 736-8330
Gr: 9-12 | 666 students Student-teacher ratio: 14:1
Rank: #22.
Luis Munoz Rivera San Lorenzo
(Math: 36% | Reading: 25%)
Rank:
Rank:
5/
Bottom 50%10
Calle Luis Munoz Rivera
San Lorenzo, PR 00754
(787) 736-5856
San Lorenzo, PR 00754
(787) 736-5856
Gr: PK-5 | 467 students Student-teacher ratio: 11:1
Rank: #33.
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 | 255 students Student-teacher ratio: 9:1
Rank: #44.
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 | 405 students Student-teacher ratio: 11:1
Rank: #55.
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 | 182 students Student-teacher ratio: 12:1
Rank: #66.
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 | 395 students Student-teacher ratio: 11:1
Rank: #77.
Jose Campeche San Lorenzo
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
Calle Emilio Buitrago
San Lorenzo, PR 00754
(787) 736-2701
San Lorenzo, PR 00754
(787) 736-2701
Gr: 7-12 | 399 students Student-teacher ratio: 11:1
Rank: #88.
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 | 210 students Student-teacher ratio: 10:1
San Lorenzo, Puerto Rico Public Schools (Closed)
School
Location
Quick Facts
Carr 181 Km 12 Bo Quebrada Are
San Lorenzo, PR 00754
(787) 736-6424
San Lorenzo, PR 00754
(787) 736-6424
Gr: PK-6 | 126 students Student-teacher ratio: 11:1 Minority enrollment: 99%
Calle 3 Urb Ramos Antonini
San Lorenzo, PR 00754
(787) 736-8995
San Lorenzo, PR 00754
(787) 736-8995
Gr: K-3 | 175 students Student-teacher ratio: 15:1
Ramal 743 Bo Espino
San Lorenzo, PR 00754
(787) 736-0086
San Lorenzo, PR 00754
(787) 736-0086
Gr: 7-9 | 172 students Student-teacher ratio: 12:1
Carr 181 Bda Roosevelt
San Lorenzo, PR 00754
(787) 736-0650
San Lorenzo, PR 00754
(787) 736-0650
Gr: K-5 | 169 students Student-teacher ratio: 12:1
Calle Luis Munoz Rivera
San Lorenzo, PR 00754
(787) 736-2351
San Lorenzo, PR 00754
(787) 736-2351
Gr: K-6 | 199 students Student-teacher ratio: 14:1
Carr 181 Km 7 Bo Jagual
San Lorenzo, PR 00754
(787) 736-8898
San Lorenzo, PR 00754
(787) 736-8898
Gr: K-6 | 112 students Student-teacher ratio: 8:1
Carr 916 Km 4 Hm 2 Bo Cerro Go
San Lorenzo, PR 00754
(787) 736-5880
San Lorenzo, PR 00754
(787) 736-5880
Gr: 1-2
Carr 183 Km 6
San Lorenzo, PR 00754
(787) 736-5444
San Lorenzo, PR 00754
(787) 736-5444
Gr: K-6 | 108 students Student-teacher ratio: 8:1
Carr 181 Km 12 Bo Espino Ramal
San Lorenzo, PR 00754
(787) 736-9272
San Lorenzo, PR 00754
(787) 736-9272
Gr: 9-12 | 189 students Student-teacher ratio: 13:1
Carr 181 Km 10 Ramal 913
San Lorenzo, PR 00754
(787) 736-8989
San Lorenzo, PR 00754
(787) 736-8989
Gr: K-8 | 214 students Student-teacher ratio: 13:1
Carr 788 Km 3 Hm 4 Bo Quemados
San Lorenzo, PR 00754
(787) 736-1546
San Lorenzo, PR 00754
(787) 736-1546
Gr: K-5 | 94 students Student-teacher ratio: 7:1
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
What are the top-ranked public schools in San Lorenzo, PR?
The top-ranked public schools in San Lorenzo, PR include Antonio Fernos Isern, Luis Munoz Rivera San Lorenzo and Jagual Adentro.
How many public schools are located in San Lorenzo?
8 public schools are located in San Lorenzo.
What is the racial composition of students in San Lorenzo?
San Lorenzo public schools minority enrollment is 100% of the student body (majority Hispanic), which is equal to the Puerto Rico public schools average of 100% (majority Hispanic).