The average student-teacher ratio in Puerto Rico public schools is approximately 10:1 (2026).
Student-Teacher Ratio Range: 3:1
6:1
Avg. Student-Teacher Ratio: 4:1
Student-Teacher Ratio Trends (1992-2025)
Public Schools Student-Teacher Ratio Statistics in Puerto Rico (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Student-Teacher Ratio
Grades
Location
Rank: #1 - 51. - 5.
Avelino Pena Reyes
Special Education School
(Math: <50% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
Student-Teacher Ratio: 3:1
Grades: 6-12
Calle Dr Vidal #3
Humacao, PR 00792
(787) 285-6542
Humacao, PR 00792
(787) 285-6542
Rank: #1 - 51. - 5.
Cotto Anexo
Special Education School
(Math: <50%)
Student-Teacher Ratio: 3:1
Grades: K-12
Ave Constitucion Esq Ave Cotto
Arecibo, PR 00612
(787) 878-8160
Arecibo, PR 00612
(787) 878-8160
Rank: #1 - 51. - 5.
La Esperanza
Special Education School
(Math: 90-94% | Reading: 60-69%)
Rank:
Rank:
10/
Top 5%10
Student-Teacher Ratio: 3:1
Grades: 1-12
Calle 19 Ne Pto Nuevo
San Juan, PR 00921
(787) 782-0295
San Juan, PR 00921
(787) 782-0295
Rank: #1 - 51. - 5.
Prevocacional Casiano Cepeda
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 3:1
Grades: 9-12
Carr 959 Km 2 Bo Cienaga Alta
Rio Grande, PR 00745
(787) 887-5200
Rio Grande, PR 00745
(787) 887-5200
Rank: #1 - 51. - 5.
Victor Pares Collazo
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 3:1
Grades: PK-12
Calle Peru Final Urb. Hyde Par
San Juan, PR 00928
(787) 764-2151
San Juan, PR 00928
(787) 764-2151
Rank: #6 - 166. - 16.
Benjamin Franklin
(Math: ≤5% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 4:1
Grades: 6-8
Calle Jose I Quinton #82
Coamo, PR 00769
(787) 825-1284
Coamo, PR 00769
(787) 825-1284
Rank: #6 - 166. - 16.
Centro De Adiestramiento Vocacional
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 4:1
Grades: 9-12
Ave Antonio R Barcelo Esq El V
Cayey, PR 00737
(787) 263-1480
Cayey, PR 00737
(787) 263-1480
Rank: #6 - 166. - 16.
Dr. Jose Padin Bayamon
Special Education School
(Math: <50%)
Student-Teacher Ratio: 4:1
Grades: 2-12
Urb Lomas Verdes Calle Jacinto
Bayamon, PR 00956
(787) 785-0010
Bayamon, PR 00956
(787) 785-0010
Rank: #6 - 166. - 16.
Dr. Juan Jose Osuna
(Math: ≤20% | Reading: 30-39%)
Rank:
Rank:
6/
Top 50%10
Student-Teacher Ratio: 4:1
Grades: 9-12
Carr 1 Km 38 Hm 5 Bo. Turabo S
Caguas, PR 00725
(787) 747-8629
Caguas, PR 00725
(787) 747-8629
Rank: #6 - 166. - 16.
Jaime Castaner
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 4:1
Grades: K-8
Carr 372 Km 9
Yauco, PR 00698
(787) 856-1830
Yauco, PR 00698
(787) 856-1830
Rank: #6 - 166. - 16.
Julian E. Blanco - Ballet
(Math: ≤10% | Reading: 60-69%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 4:1
Grades: 5-12
Calle Martin Travieso Esq. Est
San Juan, PR 00907
(787) 721-9021
San Juan, PR 00907
(787) 721-9021
Rank: #6 - 166. - 16.
Lcdo. Guillermo Atiles Moreau
(Math: 20-24% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 4:1
Grades: PK-12
Calle Ponce Urb Perez Morris
San Juan, PR 00924
(787) 767-6710
San Juan, PR 00924
(787) 767-6710
Rank: #6 - 166. - 16.
Ludovico Costoso
Special Education School
(Math: 20-29% | Reading: 30-39%)
Rank:
Rank:
6/
Top 50%10
Student-Teacher Ratio: 4:1
Grades: PK-12
Ave Cementerio Nacional Hato T
Bayamon, PR 00960
(787) 787-9792
Bayamon, PR 00960
(787) 787-9792
Rank: #6 - 166. - 16.
Marta Lafontaine
(Math: 11-19% | Reading: 50-59%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 4:1
Grades: PK-8
Carr 613 Km 3 Hm 2 Bo Caonilla
Utuado, PR 00641
(787) 894-0000
Utuado, PR 00641
(787) 894-0000
Rank: #6 - 166. - 16.
Ramon Marin
Special Education School
(Math: ≥90% | Reading: ≥95%)
Rank:
Rank:
10/
Top 1%10
Student-Teacher Ratio: 4:1
Grades: PK-12
Ave Las Americas
Ponce, PR 00733
(787) 842-1371
Ponce, PR 00733
(787) 842-1371
Rank: #6 - 166. - 16.
The United School Of San Juan - Alianza
Charter School
Student-Teacher Ratio: 4:1
Grades: K-1
180 Ave. Jose Oliver, Colegio
San Juan, PR 00918
(787) 480-4501
San Juan, PR 00918
(787) 480-4501
Rank: #17 - 3417. - 34.
Alejandro Jr. Cruz
(Math: 75-79% | Reading: 50-54%)
Rank:
Rank:
10/
Top 10%10
Student-Teacher Ratio: 5:1
Grades: PK-5
Carr 165 Km4 Bo Galateo
Toa Alta, PR 00954
(787) 870-1665
Toa Alta, PR 00954
(787) 870-1665
Rank: #17 - 3417. - 34.
Antonio Rivera
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: K-8
Carr 167 Ramal 816 Km 6 Bo Nue
Bayamon, PR 00956
(787) 730-5613
Bayamon, PR 00956
(787) 730-5613
Rank: #17 - 3417. - 34.
Bryan
(Math: ≥90% | Reading: 50-59%)
Rank:
Rank:
10/
Top 10%10
Student-Teacher Ratio: 5:1
Grades: K-6
Carr. 124 Km.10 Bo.cerrote
Las Marias, PR 00670
(787) 827-3066
Las Marias, PR 00670
(787) 827-3066
Rank: #17 - 3417. - 34.
Centro De Adiestramiento
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: 9-12
Carr 155 Km 6 Hm 5 Bo Pugnado
Vega Baja, PR 00693
(787) 855-1360
Vega Baja, PR 00693
(787) 855-1360
Rank: #17 - 3417. - 34.
Centro Eugenio Maria De Hostos
Special Education School
(Math: ≤10% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: 9-12
Urb Puerto Nuevo Calle Constit
San Juan, PR 00921
(787) 792-0111
San Juan, PR 00921
(787) 792-0111
Rank: #17 - 3417. - 34.
Centro Vocacional Especial
Special Education School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: 6-12
Carr 417 Km 3 Hm 6 Esq Carr 41
Aguada, PR 00602
(787) 868-3245
Aguada, PR 00602
(787) 868-3245
Rank: #17 - 3417. - 34.
Francisco Menendez Balbane
(Math: 60-69% | Reading: 50-59%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: PK-5
Carr 667 Km 4 Hm 6 Bo Cortes
Manati, PR 00674
(787) 854-3063
Manati, PR 00674
(787) 854-3063
Rank: #17 - 3417. - 34.
Indiera Fria
(Math: 60-79% | Reading: ≥80%)
Rank:
Rank:
10/
Top 10%10
Student-Teacher Ratio: 5:1
Grades: PK-6
Carr 366 Km 3 Bo Indiera Fria
Maricao, PR 00606
(787) 838-2150
Maricao, PR 00606
(787) 838-2150
Rank: #17 - 3417. - 34.
John W. Harris
(Math: 15-19% | Reading: 30-34%)
Rank:
Rank:
5/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: PK-6
Ave Constitucion Bo Cotto
Arecibo, PR 00612
(787) 878-1514
Arecibo, PR 00612
(787) 878-1514
Rank: #17 - 3417. - 34.
Jose M. Torres
(Math: 20-24% | Reading: 20-24%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: K-8
Carr 167 Ramal 812 Km 3 Hm 1 B
Bayamon, PR 00956
(787) 730-0090
Bayamon, PR 00956
(787) 730-0090
Rank: #17 - 3417. - 34.
La Carmen
(Math: 80-89% | Reading: 40-49%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: K-5
Carr 105 Km 21.2
Maricao, PR 00606
(787) 838-3025
Maricao, PR 00606
(787) 838-3025
Rank: #17 - 3417. - 34.
Luis Munoz Rivera Guanica
(Math: ≥90% | Reading: 40-49%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: PK-5
Carr 116 Ramal 1116 Bo Cano
Guanica, PR 00653
(787) 821-7000
Guanica, PR 00653
(787) 821-7000
Rank: #17 - 3417. - 34.
Mariano Abril
(Math: 60-69% | Reading: 50-59%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: PK-6
Carr 361 Hoconuco Alto
San German, PR 00683
(787) 892-7105
San German, PR 00683
(787) 892-7105
Rank: #17 - 3417. - 34.
Matrullas
(Math: 55-59% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: K-8
Carr 564 Km 4 Hm 3 Bo Matrulla
Orocovis, PR 00720
(787) 867-3966
Orocovis, PR 00720
(787) 867-3966
Rank: #17 - 3417. - 34.
Nemesio R. Canales Ii
(Math: 11-19% | Reading: 20-24%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: K-5
Res Nemesio Canales Ave Roosev
San Juan, PR 00928
(787) 781-1773
San Juan, PR 00928
(787) 781-1773
Rank: #17 - 3417. - 34.
Sebastian Pabon Alves
(Math: ≥90% | Reading: 60-69%)
Rank:
Rank:
10/
Top 5%10
Student-Teacher Ratio: 5:1
Grades: K-5
Carr 301 Km 7 Hm 4 Sect Corozo
Cabo Rojo, PR 00623
(787) 255-6705
Cabo Rojo, PR 00623
(787) 255-6705
Rank: #17 - 3417. - 34.
Segundo Ruiz Belvis Mayaguez
(Math: 60-64% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
Student-Teacher Ratio: 5:1
Grades: PK-5
Ave Gonzalez Clemente Res Carm
Mayaguez, PR 00680
(787) 832-5078
Mayaguez, PR 00680
(787) 832-5078
Rank: #17 - 3417. - 34.
Victor Rojas I
Special Education School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 5:1
Grades: 4-12
Calle C Bda Victor Rojas I
Arecibo, PR 00612
(787) 880-3551
Arecibo, PR 00612
(787) 880-3551
Rank: #35 - 7835. - 78.
Alejandro Tapia Y Rivera San Juan
(Math: 25-29% | Reading: 20-24%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 6:1
Grades: K-5
Villa Palmera 369 Calle Belevu
San Juan, PR 00915
(787) 726-0100
San Juan, PR 00915
(787) 726-0100
Show 100 more public schools in PR (out of 853 total schools)
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Frequently Asked Questions
What is the Puerto Rico average public schools student-teacher ratio?
The Puerto Rico average public schools student-teacher ratio is 10:1 for 2026.
What are the public schools with the lowest student-teacher ratio in Puerto Rico?
The best top-ranked public schools in Puerto Rico include Avelino Pena Reyes, Cotto Anexo and La Esperanza.
What is public high school and public elementary school with the lowest student-teacher ratio in Puerto Rico?
The public high school with the lowest student-teacher ratio in Puerto Rico is Avelino Pena Reyes, with a value of 3:1. The public elementary school with the lowest student-teacher ratio is Avelino Pena Reyes, with a value of 3:1.
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