Serving 601 students in grades 4-8, Castellanos Elementary School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math was 21% (which was lower than the Illinois state average of 32%). The percentage of students achieving proficiency in reading/language arts was 27% (which was lower than the Illinois state average of 37%).
The student-teacher ratio of 17:1 was higher than the Illinois state level of 13:1.
School Overview
Grades Offered
Grades 4-8
Total Students
601 students
Gender %
Total Classroom Teachers
36 teachers
School Calendar
School Rankings
Math Test Scores (% Proficient)
(17-18)21%
32%
Reading/Language Arts Test Scores (% Proficient)
(17-18)27%
37%
Student-Teacher Ratio
17:1
13:1
American Indian
n/a
n/a
Asian
n/a
6%
Hispanic
96%
28%
Black
4%
17%
White
n/a
45%
Hawaiian
n/a
n/a
Two or more races
n/a
4%
All Ethnic Groups
Eligible for Free Lunch
98%
43%
Eligible for Reduced Lunch (11-12)
49%
27%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What percent of students have achieved state testing proficiency in math and reading?
21% of students have achieved math proficiency (compared to the 32% IL state average), while 27% of students have achieved reading proficiency (compared to the 37% IL state average).
How many students attend Castellanos Elementary School?
601 students attend Castellanos Elementary School.
What is the racial composition of the student body?
96% of Castellanos Elementary School students are Hispanic, and 4% of students are Black.
What is the student-teacher ratio of Castellanos Elementary School?
Castellanos Elementary School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Castellanos Elementary School offer ?
Castellanos Elementary School offers enrollment in grades 4-8
What school district is Castellanos Elementary School part of?
Castellanos Elementary School is part of City Of Chicago School District 299.
Recent Articles

School Choice vs. Neighborhood Schools: Key Factors
Explore school choice vs. neighborhood schools in 2025. Learn key factors parents should weigh when deciding the best fit for their child.

Best School Match 2025: Public vs Charter vs Magnet
Compare 2025 public, charter, and magnet school options with updated data, trends, and strategies to find the best fit.

Public School Boundaries and Equity in 2025
Explore how public school boundaries shape access, equity, and opportunity for students in 2025. Learn the impact on families and education policy.