Serving 239 students in grades Kindergarten-8, Mildred Arroyo Cardoza 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 15-19% (which is lower than the Puerto Rico state average of 23%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Puerto Rico state average of 36%).
The student-teacher ratio of 7:1 is lower 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: Kindergarten-8
- Enrollment: 239 students
- Student-Teacher Ratio: 7:1
- Minority Enrollment: 99%
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 11-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
School Overview
Mildred Arroyo Cardoza's student population of 239 students has declined by 11% over five school years.
The teacher population of 32 teachers has grown by 14% over five school years.
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
239 students
Total Classroom Teachers
32 teachers
School Rankings
Mildred Arroyo Cardoza 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 Mildred Arroyo Cardoza 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
#492 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
23%
Reading/Language Arts Test Scores (% Proficient)
25-29%
36%
Science Test Scores (% Proficient)
11-19%
36%
Student-Teacher Ratio
7:1
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
Chronically Absent Students
(22-23)25.9%
42.3%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
74%
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 Mildred Arroyo Cardoza's ranking?
Mildred Arroyo Cardoza is ranked #492 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?
15-19% of students have achieved math proficiency (compared to the 23% PR state average), while 25-29% of students have achieved reading proficiency (compared to the 36% PR state average).
How many students attend Mildred Arroyo Cardoza?
239 students attend Mildred Arroyo Cardoza.
What is the racial composition of the student body?
99% of Mildred Arroyo Cardoza students are Hispanic, and 1% of students are White.
What is the student-teacher ratio of Mildred Arroyo Cardoza?
Mildred Arroyo Cardoza has a student ration of 7:1, which is lower than the Puerto Rico state average of 10:1.
What grades does Mildred Arroyo Cardoza offer ?
Mildred Arroyo Cardoza offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Mildred Arroyo Cardoza part of?
Mildred Arroyo Cardoza is part of Puerto Rico Department Of Education School District.
School Reviews
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