Serving 271 students in grades 4-6, Adolfo Grana Rivera ranks in the bottom 50% of all schools in Puerto Rico for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math was 32% (which was lower than the Puerto Rico state average of 35%). The percentage of students achieving proficiency in reading/language arts was 33% (which was lower than the Puerto Rico state average of 45%).
The student-teacher ratio of 12:1 was higher than the Puerto Rico state level of 10:1.
School Overview
Grades Offered
Grades 4-6
Total Students
271 students
Gender %
Total Classroom Teachers
22 teachers
School Rankings
Math Test Scores (% Proficient)
(17-18)32%
35%
Reading/Language Arts Test Scores (% Proficient)
(17-18)33%
45%
Student-Teacher Ratio
12:1
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
Eligible for Free Lunch
83%
85%
Eligible for Reduced Lunch
7%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
Frequently Asked Questions
What percent of students have achieved state testing proficiency in math and reading?
32% of students have achieved math proficiency (compared to the 35% PR state average), while 33% of students have achieved reading proficiency (compared to the 45% PR state average).
How many students attend Adolfo Grana Rivera?
271 students attend Adolfo Grana Rivera.
What is the racial composition of the student body?
100% of Adolfo Grana Rivera students are Hispanic.
What is the student-teacher ratio of Adolfo Grana Rivera?
Adolfo Grana Rivera has a student ration of 12:1, which is higher than the Puerto Rico state average of 10:1.
What grades does Adolfo Grana Rivera offer ?
Adolfo Grana Rivera offers enrollment in grades 4-6
What school district is Adolfo Grana Rivera part of?
Adolfo Grana Rivera is part of Puerto Rico Department Of Education School District.
Recent Articles
Preventing Suicide in Schools: 2026 Guide for Educators
Learn updated 2026 strategies for preventing suicide in schools, including warning signs, intervention plans, and school-wide mental health support.
The Impact of Social Media on Students (2026 Update)
Explore the impact of social media on students in 2026, including academic, mental health, and safety insights for parents and educators.
Building a Summer Reading Plan That Keeps Kids Engaged
Learn how to build a summer reading plan that keeps kids engaged, motivated, and improving literacy skills throughout the break.
