Serving 666 students in grades 9-12, Antonio Fernos Isern ranks in the top 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 53% (which is higher 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)
- School Type: Vocational school / Magnet School
- Grades: 9-12
- Enrollment: 666 students
- Student-Teacher Ratio: 14:1
- Graduation Rate: 90%
- Overall Testing Rank: Top 50% in PR
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 53% (Top 20%)
- Science Proficiency: 52% (Top 30%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
Top Rankings
Antonio Fernos Isern ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Reading/Language Arts Proficiency
Percent Eligible For Free Lunch
School Overview
Antonio Fernos Isern's student population of 666 students has declined by 16% over five school years.
The teacher population of 48 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
666 students
Gender %
Total Classroom Teachers
48 teachers
School Rankings
Antonio Fernos Isern 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 Antonio Fernos Isern 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
#374 out of 839 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
≤5%
23%
Reading/Language Arts Test Scores (% Proficient)
53%
36%
Science Test Scores (% Proficient)
52%
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)90%
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 Antonio Fernos Isern's ranking?
Antonio Fernos Isern is ranked #374 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?
≤5% of students have achieved math proficiency (compared to the 23% PR state average), while 53% of students have achieved reading proficiency (compared to the 36% PR state average).
What is the graduation rate of Antonio Fernos Isern?
The graduation rate of Antonio Fernos Isern is 90%, which is higher than the Puerto Rico state average of 74%.
How many students attend Antonio Fernos Isern?
666 students attend Antonio Fernos Isern.
What is the racial composition of the student body?
100% of Antonio Fernos Isern students are Hispanic.
What is the student-teacher ratio of Antonio Fernos Isern?
Antonio Fernos Isern has a student ration of 14:1, which is higher than the Puerto Rico state average of 10:1.
What grades does Antonio Fernos Isern offer ?
Antonio Fernos Isern offers enrollment in grades 9-12 (No virtual instruction).
What school district is Antonio Fernos Isern part of?
Antonio Fernos Isern is part of Puerto Rico Department Of Education School District.
School Reviews
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