Serving 224 students in grades 9-12, Alfonso Casta Martinez 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 ≤10% (which is lower than the Puerto Rico state average of 23%). The percentage of students achieving proficiency in reading/language arts is 20-29% (which is lower than the Puerto Rico state average of 36%).
The student-teacher ratio of 9:1 is lower than the Puerto Rico state level of 10:1.
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 224 students
- Student-Teacher Ratio: 9:1
- Graduation Rate: 75-79%
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: ≤10% (Btm 50%)
- Reading Proficiency: 20-29% (Btm 50%)
- Science Proficiency: 20-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
Top Rankings
Alfonso Casta Martinez ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Diversity
School Overview
Alfonso Casta Martinez's student population of 224 students has declined by 18% 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
224 students
Total Classroom Teachers
26 teachers
School Rankings
Alfonso Casta Martinez 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 Alfonso Casta Martinez 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
#663 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤10%
23%
Reading/Language Arts Test Scores (% Proficient)
20-29%
36%
Science Test Scores (% Proficient)
20-29%
36%
Student-Teacher Ratio
9:1
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)75-79%
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 Alfonso Casta Martinez's ranking?
Alfonso Casta Martinez is ranked #663 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?
≤10% of students have achieved math proficiency (compared to the 23% PR state average), while 20-29% of students have achieved reading proficiency (compared to the 36% PR state average).
What is the graduation rate of Alfonso Casta Martinez?
The graduation rate of Alfonso Casta Martinez is 75-79%, which is higher than the Puerto Rico state average of 74%.
How many students attend Alfonso Casta Martinez?
224 students attend Alfonso Casta Martinez.
What is the racial composition of the student body?
100% of Alfonso Casta Martinez students are Hispanic.
What is the student-teacher ratio of Alfonso Casta Martinez?
Alfonso Casta Martinez has a student ration of 9:1, which is lower than the Puerto Rico state average of 10:1.
What grades does Alfonso Casta Martinez offer ?
Alfonso Casta Martinez offers enrollment in grades 9-12 (No virtual instruction).
What school district is Alfonso Casta Martinez part of?
Alfonso Casta Martinez is part of Puerto Rico Department Of Education School District.
School Reviews
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