Serving 511 students in grades 9-12, Tomas (Maso) Rivera Morales 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 is ≤5% (which is lower than the Puerto Rico state average of 23%). The percentage of students achieving proficiency in reading/language arts is 15-19% (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: 9-12
- Enrollment: 511 students
- Student-Teacher Ratio: 10:1
- Graduation Rate: 55-59%
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 15-19% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
Top Rankings
Tomas (Maso) Rivera Morales ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Tomas (Maso) Rivera Morales's student population of 511 students has stayed relatively flat over five school years.
The teacher population of 52 teachers has grown by 40% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
511 students
Total Classroom Teachers
52 teachers
Year Founded
1905
Campus Size
50 acres
School Motto
'Truth and Honor'
Average Class Size
15 students
School Rankings
Tomas (Maso) Rivera Morales ranks within the bottom 50% of all 839 schools in Puerto Rico (based off of combined math and reading proficiency testing data).
The diversity score of Tomas (Maso) Rivera Morales 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
#764 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
23%
Reading/Language Arts Test Scores (% Proficient)
15-19%
36%
Science Test Scores (% Proficient)
10-14%
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
Graduation Rate
(21-22)55-59%
74%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
73%
74%
Eligible for Reduced Lunch
13%
14%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
School Notes
- School Mascot: Wild Boars
Frequently Asked Questions
What is Tomas (Maso) Rivera Morales's ranking?
Tomas (Maso) Rivera Morales is ranked #764 out of 839 schools, which ranks it among the bottom 50% of public schools in Puerto Rico.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 23% PR state average), while 15-19% of students have achieved reading proficiency (compared to the 36% PR state average).
What is the graduation rate of Tomas (Maso) Rivera Morales?
The graduation rate of Tomas (Maso) Rivera Morales is 55-59%, which is lower than the Puerto Rico state average of 74%.
How many students attend Tomas (Maso) Rivera Morales?
511 students attend Tomas (Maso) Rivera Morales.
What is the racial composition of the student body?
100% of Tomas (Maso) Rivera Morales students are Hispanic.
What is the student-teacher ratio of Tomas (Maso) Rivera Morales?
Tomas (Maso) Rivera Morales has a student ration of 10:1, which is equal to the Puerto Rico state average of 10:1.
What grades does Tomas (Maso) Rivera Morales offer ?
Tomas (Maso) Rivera Morales offers enrollment in grades 9-12 (No virtual instruction).
What school district is Tomas (Maso) Rivera Morales part of?
Tomas (Maso) Rivera Morales is part of Puerto Rico Department Of Education School District.
School Reviews
Review Tomas (Maso) Rivera Morales. 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
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
