Serving 358 students in grades 9-12, Superior Juan Serralles 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 25-29% (which is lower than the Puerto Rico state average of 36%).
The student-teacher ratio of 14:1 is higher than the Puerto Rico state level of 10:1.
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 358 students
- Student-Teacher Ratio: 14:1
- Graduation Rate: 70-74%
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
School Overview
Superior Juan Serralles's student population of 358 students has declined by 16% over five school years.
The teacher population of 26 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
358 students
Gender %
Total Classroom Teachers
26 teachers
Year Founded
2025
Average Class Size
20 students
School Rankings
Superior Juan Serralles 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 Superior Juan Serralles 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
#642 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
23%
Reading/Language Arts Test Scores (% Proficient)
25-29%
36%
Science Test Scores (% Proficient)
20-24%
36%
Student-Teacher Ratio
14:1
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)70-74%
74%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
85%
85%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
Frequently Asked Questions
What is Superior Juan Serralles's ranking?
Superior Juan Serralles is ranked #642 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 25-29% of students have achieved reading proficiency (compared to the 36% PR state average).
What is the graduation rate of Superior Juan Serralles?
The graduation rate of Superior Juan Serralles is 70-74%, which is lower than the Puerto Rico state average of 74%.
How many students attend Superior Juan Serralles?
358 students attend Superior Juan Serralles.
What is the racial composition of the student body?
100% of Superior Juan Serralles students are Hispanic.
What is the student-teacher ratio of Superior Juan Serralles?
Superior Juan Serralles has a student ration of 14:1, which is higher than the Puerto Rico state average of 10:1.
What grades does Superior Juan Serralles offer ?
Superior Juan Serralles offers enrollment in grades 9-12 (No virtual instruction).
What school district is Superior Juan Serralles part of?
Superior Juan Serralles is part of Puerto Rico Department Of Education School District.
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