Serving 497 students in grades Prekindergarten-8, Lucy Grillasca 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 6-9% (which is lower 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.
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: Prekindergarten-8
- Enrollment: 497 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 99%
- Overall Testing Rank: Bottom 50% in PR
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 6-9% (Btm 50%)
- Science Proficiency: 11-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
Top Rankings
Lucy Grillasca ranks among the top 20% of public schools in Puerto Rico for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Lucy Grillasca's student population of 497 students has grown by 115% over five school years.
The teacher population of 50 teachers has grown by 78% over five school years.
Grades Offered
Grades Prekindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
497 students
Total Classroom Teachers
50 teachers
School Rankings
Lucy Grillasca 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 Lucy Grillasca 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
#710 out of 839 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
23%
Reading/Language Arts Test Scores (% Proficient)
6-9%
36%
Science Test Scores (% Proficient)
11-19%
36%
Student-Teacher Ratio
10:1
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
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
71%
74%
Eligible for Reduced Lunch
13%
14%
School Statewide Testing
School District Name
Puerto Rico Department Of Education School District
Source: National Center for Education Statistics (NCES), PR Dept. of Education
Frequently Asked Questions
What is Lucy Grillasca's ranking?
Lucy Grillasca is ranked #710 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 6-9% of students have achieved reading proficiency (compared to the 36% PR state average).
How many students attend Lucy Grillasca?
497 students attend Lucy Grillasca.
What is the racial composition of the student body?
99% of Lucy Grillasca students are Hispanic, and 1% of students are White.
What is the student-teacher ratio of Lucy Grillasca?
Lucy Grillasca has a student ration of 10:1, which is equal to the Puerto Rico state average of 10:1.
What grades does Lucy Grillasca offer ?
Lucy Grillasca offers enrollment in grades Prekindergarten-8 (No virtual instruction).
What school district is Lucy Grillasca part of?
Lucy Grillasca is part of Puerto Rico Department Of Education School District.
School Reviews
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