Serving 524 students in grades 9-12, Superior Isidro A. Sanchez 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 30-34% (which is lower than the Puerto Rico state average of 36%).
The student-teacher ratio of 12:1 is higher than the Puerto Rico state level of 10:1.
Minority enrollment is 99% of the student body (majority Hispanic), which is lower than the Puerto Rico state average of 100% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 524 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 99%
- Graduation Rate: 72%
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 30-34% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
Top Rankings
Superior Isidro A. Sanchez ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Superior Isidro A. Sanchez's student population of 524 students has declined by 13% over five school years.
The teacher population of 45 teachers has grown by 12% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
524 students
Total Classroom Teachers
45 teachers
Year Founded
2025
School Calendar
School Rankings
Superior Isidro A. Sanchez 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 Isidro A. Sanchez is 0.02, which is more 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
#571 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
23%
Reading/Language Arts Test Scores (% Proficient)
30-34%
36%
Science Test Scores (% Proficient)
20-24%
36%
Student-Teacher Ratio
12:1
10:1
American Indian
n/a
n/a
Asian
n/a
n/a
Hispanic
99%
100%
Black
n/a
n/a
White
1%
n/a
Hawaiian
n/a
n/a
Two or more races
n/a
n/a
All Ethnic Groups
Graduation Rate
(21-22)72%
74%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
75%
74%
Eligible for Reduced Lunch
14%
14%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
Frequently Asked Questions
What is Superior Isidro A. Sanchez's ranking?
Superior Isidro A. Sanchez is ranked #571 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 30-34% of students have achieved reading proficiency (compared to the 36% PR state average).
What is the graduation rate of Superior Isidro A. Sanchez?
The graduation rate of Superior Isidro A. Sanchez is 72%, which is lower than the Puerto Rico state average of 74%.
How many students attend Superior Isidro A. Sanchez?
524 students attend Superior Isidro A. Sanchez.
What is the racial composition of the student body?
99% of Superior Isidro A. Sanchez students are Hispanic, and 1% of students are White.
What is the student-teacher ratio of Superior Isidro A. Sanchez?
Superior Isidro A. Sanchez has a student ration of 12:1, which is higher than the Puerto Rico state average of 10:1.
What grades does Superior Isidro A. Sanchez offer ?
Superior Isidro A. Sanchez offers enrollment in grades 9-12 (No virtual instruction).
What school district is Superior Isidro A. Sanchez part of?
Superior Isidro A. Sanchez is part of Puerto Rico Department Of Education School District.
School Reviews
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