Serving 216 students in grades Kindergarten-5, Mariano Riera Palmer ranks in the top 50% of all schools in Puerto Rico for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 40-44% (which is higher than the Puerto Rico state average of 23%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is lower than the Puerto Rico state average of 36%).
The student-teacher ratio of 10:1 is equal to the Puerto Rico state level of 10:1.
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 216 students
- Student-Teacher Ratio: 10:1
- Overall Testing Rank: Top 50% in PR
- Math Proficiency: 40-44% (Top 30%)
- Reading Proficiency: 30-34% (Btm 50%)
- Science Proficiency: 21-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="overview">School Overview <Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-rankings">School Rankings
Mariano Riera Palmer's student population of 216 students has declined by 12% over five school years.
The teacher population of 21 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
216 students
Gender %
Total Classroom Teachers
21 teachers
Mariano Riera Palmer ranks within the top 50% of all 839 schools in Puerto Rico (based off of combined math and reading proficiency testing data).
The diversity score of Mariano Riera Palmer is 0.00, which is less than the diversity score at state average of 0.01. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#294 out of 839 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
40-44%
23%
Reading/Language Arts Test Scores (% Proficient)
30-34%
36%
Science Test Scores (% Proficient)
21-39%
36%
Student-Teacher Ratio
10:1
10:1
American Indian
n/a
n/a
Asian
n/a
n/a
Hispanic
100%
100%
Black
n/a
n/a
White
n/a
n/a
Hawaiian
n/a
n/a
Two or more races
n/a
n/a
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
84%
85%
Eligible for Reduced Lunch (22-23)
7%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id='faq'>Frequently Asked Questions What is Mariano Riera Palmer's ranking?
Mariano Riera Palmer is ranked #294 out of 839 schools, which ranks it among the top 50% of public schools in Puerto Rico.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 23% PR state average), while 30-34% of students have achieved reading proficiency (compared to the 36% PR state average).
How many students attend Mariano Riera Palmer?
216 students attend Mariano Riera Palmer.
What is the racial composition of the student body?
100% of Mariano Riera Palmer students are Hispanic.
What is the student-teacher ratio of Mariano Riera Palmer?
Mariano Riera Palmer has a student ration of 10:1, which is equal to the Puerto Rico state average of 10:1.
What grades does Mariano Riera Palmer offer ?
Mariano Riera Palmer offers enrollment in grades Kindergarten-5 (No virtual instruction).
What school district is Mariano Riera Palmer part of?
Mariano Riera Palmer is part of Puerto Rico Department Of Education School District.
School ReviewsReview Mariano Riera Palmer. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
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Review Mariano Riera Palmer. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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