The most improved public preschools in Puerto Rico are Ines Encarnacion, Rafael De Jesus and Luis Munoz Rivera San Juan Montessori.
A school's improvement is based on a its total rise in ranking spots during the last five years (2021-26).
Improved Rank Range: 768
1,247
Avg. Improved Rank: 932
Most Improved Public Preschools in Puerto Rico (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Ranking Change (2021-26)
Grades
Location
Rank: #11.
Ines Encarnacion
(Math: 85-89% | Reading: 50-54%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +1247
(from 1,317 to 70)
(from 1,317 to 70)
Grades: PK-5
Carr 985 Bo Florencio
Fajardo, PR 00738
(787) 863-7570
Fajardo, PR 00738
(787) 863-7570
Rank: #22.
Rafael De Jesus
(Math: 60-64% | Reading: 50-54%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +1241
(from 1,354 to 113)
(from 1,354 to 113)
Grades: PK-5
Calle Pimentel Y Castro
Rio Grande, PR 00745
(787) 887-2785
Rio Grande, PR 00745
(787) 887-2785
Rank: #33.
Luis Munoz Rivera San Juan Montessori
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +1214
(from 1,317 to 103)
(from 1,317 to 103)
Grades: PK-5
Calle Robles #42
San Juan, PR 00928
(787) 751-2214
San Juan, PR 00928
(787) 751-2214
Rank: #44.
Manuel Elzaburu Y Vizcarrondo
(Math: 20% | Reading: 45-49%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +1201
(from 1,470 to 269)
(from 1,470 to 269)
Grades: PK-8
Calle Madison Res Las Margarit
San Juan, PR 00916
(787) 726-0125
San Juan, PR 00916
(787) 726-0125
Rank: #55.
Eugenio Brac
(Math: 65-69% | Reading: 50-54%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +1151
(from 1,245 to 94)
(from 1,245 to 94)
Grades: PK-5
2 Calle Antonio Rios
Naguabo, PR 00718
(787) 874-3295
Naguabo, PR 00718
(787) 874-3295
Rank: #66.
Dr. Hiram Gonzalez
(Math: 55-59% | Reading: 30-34%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +1100
(from 1,354 to 254)
(from 1,354 to 254)
Grades: PK-5
Urb San Fernando 9 Interior Ca
Bayamon, PR 00957
(787) 785-2536
Bayamon, PR 00957
(787) 785-2536
Rank: #77.
Ludovico Costoso
Special Education School
(Math: 20-29% | Reading: 30-39%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +1046
(from 1,413 to 367)
(from 1,413 to 367)
Grades: PK-12
Ave Cementerio Nacional Hato T
Bayamon, PR 00960
(787) 787-9792
Bayamon, PR 00960
(787) 787-9792
Rank: #88.
Maria I. Dones
(Math: ≥90% | Reading: 70-79%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +1044
(from 1,062 to 18)
(from 1,062 to 18)
Grades: PK-5
Calle 5 Bo Quebrada Vueltas
Fajardo, PR 00738
(787) 863-8240
Fajardo, PR 00738
(787) 863-8240
Rank: #99.
Jose Severo Quinones
(Math: 65% | Reading: 34%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +1030
(from 1,273 to 243)
(from 1,273 to 243)
Grades: PK-8
Urb Jose S Quinones Calle Ulis
Carolina, PR 00985
(787) 769-3260
Carolina, PR 00985
(787) 769-3260
Rank: #1010.
Jorge L. Marrero Padilla
(Math: 90-94% | Reading: 50-54%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +982
(from 1,038 to 56)
(from 1,038 to 56)
Grades: PK-5
Calle Del Carmen Final Bo Pueb
Morovis, PR 00687
(787) 862-2570
Morovis, PR 00687
(787) 862-2570
Rank: #1111.
Celso Gonzalez Vaillant
(Math: 70-74% | Reading: 55-59%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +981
(from 1,056 to 75)
(from 1,056 to 75)
Grades: PK-5
Carr 188 Km 7 Hm 2
Loiza, PR 00772
(787) 876-8260
Loiza, PR 00772
(787) 876-8260
Rank: #1212.
Josefita Monserrate De Selles
(Math: 45-49% | Reading: 45-49%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +976
(from 1,149 to 173)
(from 1,149 to 173)
Grades: PK-5
Pmb 263 Uu-1 C/39
Bayamon, PR 00956
(787) 785-2238
Bayamon, PR 00956
(787) 785-2238
Rank: #1313.
Dr. Efrain Sanchez Hidalgo Toa Baja
(Math: 60-64% | Reading: 25-29%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +954
(from 1,244 to 290)
(from 1,244 to 290)
Grades: PK-5
Mariano Abril Costalo 6to Sec
Toa Baja, PR 00950
(787) 784-5570
Toa Baja, PR 00950
(787) 784-5570
Rank: #1414.
Segundo Ruiz Belvis Mayaguez
(Math: 60-64% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +947
(from 1,013 to 66)
(from 1,013 to 66)
Grades: PK-5
Ave Gonzalez Clemente Res Carm
Mayaguez, PR 00680
(787) 832-5078
Mayaguez, PR 00680
(787) 832-5078
Rank: #1515.
Elemental Mariano Abril
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +924
(from 1,068 to 144)
(from 1,068 to 144)
Grades: PK-5
Carr 8834 Km 1.8 Bo Rio
Guaynabo, PR 00970
(787) 720-7870
Guaynabo, PR 00970
(787) 720-7870
Rank: #1616.
Paula Mojica
(Math: ≥95% | Reading: 65-69%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +902
(from 922 to 20)
(from 922 to 20)
Grades: PK-5
Calle Roble Urb. Villa Turabo
Caguas, PR 00725
(787) 743-2498
Caguas, PR 00725
(787) 743-2498
Rank: #1717.
Elpidio H. Rivera
(Math: 12% | Reading: 28%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +897
(from 1,438 to 541)
(from 1,438 to 541)
Grades: PK-8
Urb. Rio Cristal Calle Roberto
Mayaguez, PR 00682
(787) 833-5560
Mayaguez, PR 00682
(787) 833-5560
Rank: #1818.
Nicolas Rodriguez
(Math: 19% | Reading: 38%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +881
(from 1,234 to 353)
(from 1,234 to 353)
Grades: PK-8
Carr 568 Km 30 Hm 1 Bo Padilla
Corozal, PR 00783
(787) 859-3250
Corozal, PR 00783
(787) 859-3250
Rank: #1919.
San Agustin
(Math: 85-89% | Reading: 65-69%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +863
(from 896 to 33)
(from 896 to 33)
Grades: PK-5
Calle 6 Ext. San Agustin
San Juan, PR 00924
(787) 765-6946
San Juan, PR 00924
(787) 765-6946
Rank: #2020.
Adrian Torres Torres
(Math: 12% | Reading: 34%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +851
(from 1,322 to 471)
(from 1,322 to 471)
Grades: PK-8
Carr 141-r Km 2 Hm 1 Sector Pu
Jayuya, PR 00664
(787) 828-3445
Jayuya, PR 00664
(787) 828-3445
Rank: #2121.
Rosa Pascual Paris
(Math: 70-74% | Reading: 45-49%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +846
(from 965 to 119)
(from 965 to 119)
Grades: PK-5
Urb Fajardo Gardens Calle 23
Fajardo, PR 00738
(787) 863-8520
Fajardo, PR 00738
(787) 863-8520
Rank: #2222.
Amalia Lopez De Avila
(Math: 70-74% | Reading: 50-54%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +844
(from 928 to 84)
(from 928 to 84)
Grades: PK-5
Carr. 119 Km 5.6 Int.bo Puente
Camuy, PR 00627
(787) 898-4830
Camuy, PR 00627
(787) 898-4830
Rank: #2323.
Oscar Rodriguez Rivera
(Math: 55-59% | Reading: 25-29%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +843
(from 1,141 to 298)
(from 1,141 to 298)
Grades: PK-5
Carr 33 Km 4 Hm O Bo Barahona
Morovis, PR 00687
(787) 862-2010
Morovis, PR 00687
(787) 862-2010
Rank: #2424.
Rafael Hernandez Vega Baja
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +840
(from 1,197 to 357)
(from 1,197 to 357)
Grades: PK-6
Calle 12 I 100 Urb Jardines De
Vega Baja, PR 00693
(787) 858-1994
Vega Baja, PR 00693
(787) 858-1994
Rank: #25 - 2625. - 26.
Francisco Menendez Balbane
(Math: 60-69% | Reading: 50-59%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +829
(from 928 to 99)
(from 928 to 99)
Grades: PK-5
Carr 667 Km 4 Hm 6 Bo Cortes
Manati, PR 00674
(787) 854-3063
Manati, PR 00674
(787) 854-3063
Rank: #25 - 2625. - 26.
Mariano Abril
(Math: 60-69% | Reading: 50-59%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +829
(from 928 to 99)
(from 928 to 99)
Grades: PK-6
Carr 361 Hoconuco Alto
San German, PR 00683
(787) 892-7105
San German, PR 00683
(787) 892-7105
Rank: #2727.
Juanita Ramirez Gonzalez
(Math: 70-74% | Reading: 45-49%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +824
(from 943 to 119)
(from 943 to 119)
Grades: PK-12
Carr 642 Km 10 Hm 3 Comunidad
Florida, PR 00650
(787) 822-2190
Florida, PR 00650
(787) 822-2190
Rank: #2828.
Ramon Emeterio Betances
(Math: 70-74% | Reading: 65-69%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +815
(from 861 to 46)
(from 861 to 46)
Grades: PK-5
236 Calle San Justo
Quebradillas, PR 00678
(787) 895-2575
Quebradillas, PR 00678
(787) 895-2575
Rank: #2929.
Elemental Rexville
(Math: 40-44% | Reading: 25-29%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +814
(from 1,157 to 343)
(from 1,157 to 343)
Grades: PK-5
Urb Rexville Calle 13 Esq 21
Bayamon, PR 00956
(787) 797-5004
Bayamon, PR 00956
(787) 797-5004
Rank: #3030.
Eli Ramos Rosario
(Math: 35-39% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +810
(from 972 to 162)
(from 972 to 162)
Grades: PK-6
Carr 140 Bo Fortuna
Barceloneta, PR 00617
(787) 846-3165
Barceloneta, PR 00617
(787) 846-3165
Rank: #3131.
Ines Maria Mendoza Vda. De Munoz Marin
(Math: 8% | Reading: 23%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +796
(from 1,478 to 682)
(from 1,478 to 682)
Grades: PK-12
Carr. 842 Km. 2.6 Caimito Bajo
San Juan, PR 00928
(787) 720-2853
San Juan, PR 00928
(787) 720-2853
Rank: #3232.
Juan B. Soto
(Math: 20-24% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +784
(from 1,068 to 284)
(from 1,068 to 284)
Grades: PK-9
Carr 411 Km.5 Hm.7 Bo. Atalaya
Aguada, PR 00602
(787) 868-4470
Aguada, PR 00602
(787) 868-4470
Rank: #3333.
Elemental Berwind
(Math: 50-54% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +777
(from 896 to 119)
(from 896 to 119)
Grades: PK-5
Res Jardines De Berwind Calle
San Juan, PR 00924
(787) 768-2570
San Juan, PR 00924
(787) 768-2570
Rank: #3434.
Jose Robles Otero
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +769
(from 972 to 203)
(from 972 to 203)
Grades: PK-5
Carr 867 Km 5 Bo Ingenio
Toa Baja, PR 00949
(787) 794-3470
Toa Baja, PR 00949
(787) 794-3470
Rank: #3535.
Delia Davila De Caban
(Math: 30-34% | Reading: 35-39%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +768
(from 1,043 to 275)
(from 1,043 to 275)
Grades: PK-6
Calle Lago Las Curias Final 5t
Toa Baja, PR 00949
(787) 261-1340
Toa Baja, PR 00949
(787) 261-1340
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