Serving 533 students in grades 9-12, Petra Corretjer De O'neill ranks in the top 20% of all schools in Puerto Rico for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 90-94% (which is higher than the Puerto Rico state average of 23%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is approximately equal to 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 (2026)
- Grades: 9-12
- Enrollment: 533 students
- Student-Teacher Ratio: 11:1
- Graduation Rate: 60-64%
- Overall Testing Rank: Top 20% in PR
- Math Proficiency: 90-94% (Top 5%)
- Reading Proficiency: 35-39% (Top 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
<Â鶹¹û¶³´«Ã½ class="so-dt-title" id="top-rankings">Top Rankings
Petra Corretjer De O'neill ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Overall Rank
Math Proficiency
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="overview">School Overview <Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-rankings">School Rankings
Petra Corretjer De O'neill's student population of 533 students has declined by 6% over five school years.
The teacher population of 49 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
533 students
Gender %
Total Classroom Teachers
49 teachers
Petra Corretjer De O'neill ranks within the top 20% of all 839 schools in Puerto Rico (based off of combined math and reading proficiency testing data).
The diversity score of Petra Corretjer De O'neill 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
#154 out of 839 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
90-94%
23%
Reading/Language Arts Test Scores (% Proficient)
35-39%
36%
Science Test Scores (% Proficient)
30-34%
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
Graduation Rate
(21-22)60-64%
74%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
85%
85%
Eligible for Reduced Lunch
7%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id='faq'>Frequently Asked Questions What is Petra Corretjer De O'neill's ranking?
Petra Corretjer De O'neill is ranked #154 out of 839 schools, which ranks it among the top 20% of public schools in Puerto Rico.
What percent of students have achieved state testing proficiency in math and reading?
90-94% of students have achieved math proficiency (compared to the 23% PR state average), while 35-39% of students have achieved reading proficiency (compared to the 36% PR state average).
What is the graduation rate of Petra Corretjer De O'neill?
The graduation rate of Petra Corretjer De O'neill is 60-64%, which is lower than the Puerto Rico state average of 74%.
How many students attend Petra Corretjer De O'neill?
533 students attend Petra Corretjer De O'neill.
What is the racial composition of the student body?
100% of Petra Corretjer De O'neill students are Hispanic.
What is the student-teacher ratio of Petra Corretjer De O'neill?
Petra Corretjer De O'neill has a student ration of 11:1, which is higher than the Puerto Rico state average of 10:1.
What grades does Petra Corretjer De O'neill offer ?
Petra Corretjer De O'neill offers enrollment in grades 9-12 (No virtual instruction).
What school district is Petra Corretjer De O'neill part of?
Petra Corretjer De O'neill is part of Puerto Rico Department Of Education School District.
School ReviewsReview Petra Corretjer De O'neill. Reviews should be a few sentences in length. Please include any comments on:
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Review Petra Corretjer De O'neill. 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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