Serving 422 students in grades Kindergarten-8, Andres Sandin 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 9% (which is lower than the Puerto Rico state average of 23%). The percentage of students achieving proficiency in reading/language arts is 40% (which is higher than the Puerto Rico state average of 36%).
The student-teacher ratio of 10:1 is equal to the Puerto Rico state level of 10:1.
Quick Facts (2026)
- Grades: Kindergarten-8
- Enrollment: 422 students
- Student-Teacher Ratio: 10:1
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: 9% (Btm 50%)
- Reading Proficiency: 40% (Top 50%)
- Science Proficiency: 35-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
Top Rankings
Andres Sandin Martinez ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Most improved public schools
School Overview
Andres Sandin Martinez's student population of 422 students has declined by 22% over five school years.
The teacher population of 42 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
422 students
Total Classroom Teachers
42 teachers
School Rankings
Andres Sandin 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 Andres Sandin Martinez 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
#437 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
9%
23%
Reading/Language Arts Test Scores (% Proficient)
40%
36%
Science Test Scores (% Proficient)
35-39%
36%
Student-Teacher Ratio
10:1
10:1
American Indian
n/a
n/a
Asian
n/a
n/a
Hispanic
99%
100%
Black
1%
n/a
White
n/a
n/a
Hawaiian
n/a
n/a
Two or more races
n/a
n/a
All Ethnic Groups
Chronically Absent Students
(22-23)60.4%
42.3%
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 Andres Sandin Martinez's ranking?
Andres Sandin Martinez is ranked #437 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?
9% of students have achieved math proficiency (compared to the 23% PR state average), while 40% of students have achieved reading proficiency (compared to the 36% PR state average).
How many students attend Andres Sandin Martinez?
422 students attend Andres Sandin Martinez.
What is the racial composition of the student body?
99% of Andres Sandin Martinez students are Hispanic, and 1% of students are Black.
What is the student-teacher ratio of Andres Sandin Martinez?
Andres Sandin Martinez has a student ration of 10:1, which is equal to the Puerto Rico state average of 10:1.
What grades does Andres Sandin Martinez offer ?
Andres Sandin Martinez offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Andres Sandin Martinez part of?
Andres Sandin Martinez is part of Puerto Rico Department Of Education School District.
School Reviews
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