Serving 273 students in grades Prekindergarten-5, Maria C. Osorio ranks in the top 50% of all schools in Puerto Rico for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-34% (which is higher 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 11:1 is higher than the Puerto Rico state level of 10:1.
Quick Facts (2025-26)
- Grades: Prekindergarten-5
- Enrollment: 273 students
- Student-Teacher Ratio: 11:1
- Overall Testing Rank: Top 50% in PR
- Math Proficiency: 30-34% (Top 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 30-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
School Overview
Maria C. Osorio's student population of 273 students has declined by 42% over five school years.
The teacher population of 26 teachers has declined by 25% over five school years.
Grades Offered
Grades Prekindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
273 students
Gender %
Total Classroom Teachers
26 teachers
School Calendar
School Motto
La Educación es nuestra prioridad
School Rankings
Maria C. Osorio ranks within the top 50% of all 839 schools in Puerto Rico (based off of combined math and reading proficiency testing data).
The diversity score of Maria C. Osorio 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
#394 out of 839 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
23%
Reading/Language Arts Test Scores (% Proficient)
25-29%
36%
Science Test Scores (% Proficient)
30-39%
36%
Student-Teacher Ratio
11:1
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
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
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Maria C. Osorio's ranking?
Maria C. Osorio is ranked #394 out of 839 schools, which ranks it among the top 50% of public schools in Puerto Rico.
What percent of students have achieved state testing proficiency in math and reading?
30-34% 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 Maria C. Osorio?
273 students attend Maria C. Osorio.
What is the racial composition of the student body?
100% of Maria C. Osorio students are Hispanic.
What is the student-teacher ratio of Maria C. Osorio?
Maria C. Osorio has a student ration of 11:1, which is higher than the Puerto Rico state average of 10:1.
What grades does Maria C. Osorio offer ?
Maria C. Osorio offers enrollment in grades Prekindergarten-5 (No virtual instruction).
What school district is Maria C. Osorio part of?
Maria C. Osorio is part of Puerto Rico Department Of Education School District.
School Reviews
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