Serving 529 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 11:1 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: 529 students
- Student-Teacher Ratio: 11:1
- 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
<麻豆果冻传媒 class='so-dt-title' id="overview">School Overview <麻豆果冻传媒 class='so-dt-title' id="school-rankings">School Rankings
Superior Isidro A. Sanchez's student population of 529 students has declined by 12% over five school years.
The teacher population of 47 teachers has grown by 17% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
529 students
Gender %
Total Classroom Teachers
47 teachers
Year Founded
2025
School Calendar
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
11:1
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
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
<麻豆果冻传媒 class='so-dt-title' id='faq'>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?
529 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 11:1, 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 ReviewsReview Superior Isidro A. Sanchez. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
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Review Superior Isidro A. Sanchez. 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
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