Serving 472 students in grades Kindergarten-6, Cossitt Ave Elementary School ranks in the top 5% of all schools in Illinois for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 66% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 12:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 21% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-6
- Enrollment: 472 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 21%
- Overall Testing Rank: Top 5% in IL
- Math Proficiency: 66% (Top 5%)
- Reading Proficiency: 64% (Top 5%)
- Science Proficiency: 85-89% (Top 1%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Cossitt Ave Elementary School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Student Attention
School Overview
Cossitt Ave Elementary School's student population of 472 students has stayed relatively flat over five school years.
The teacher population of 41 teachers has grown by 7% over five school years.
Grades Offered
Grades Kindergarten-6
Total Students
472 students
Total Classroom Teachers
41 teachers
Year Founded
1905
School Calendar
School Rankings
Cossitt Ave Elementary School ranks within the top 5% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Cossitt Ave Elementary School is 0.36, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#106 out of 3542 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
66%
27%
Reading/Language Arts Test Scores (% Proficient)
64%
30%
Science Test Scores (% Proficient)
85-89%
50%
Student-Teacher Ratio
12:1
13:1
American Indian
n/a
n/a
Asian
2%
6%
Hispanic
10%
29%
Black
1%
16%
White
79%
45%
Hawaiian
n/a
n/a
Two or more races
8%
4%
All Ethnic Groups
Eligible for Free Lunch
10%
43%
Eligible for Reduced Lunch
1%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Cossitt Ave Elementary School's ranking?
Cossitt Ave Elementary School is ranked #106 out of 3,542 schools, which ranks it among the top 5% of public schools in Illinois.
What schools are Cossitt Ave Elementary School often compared to?
Cossitt Ave Elementary Schoolis often viewed alongside schools like Forest Road Elementary School, Ogden Ave Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
66% of students have achieved math proficiency (compared to the 27% IL state average), while 64% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Cossitt Ave Elementary School?
472 students attend Cossitt Ave Elementary School.
What is the racial composition of the student body?
79% of Cossitt Ave Elementary School students are White, 10% of students are Hispanic, 8% of students are Two or more races, 2% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Cossitt Ave Elementary School?
Cossitt Ave Elementary School has a student ration of 12:1, which is lower than the Illinois state average of 13:1.
What grades does Cossitt Ave Elementary School offer ?
Cossitt Ave Elementary School offers enrollment in grades Kindergarten-6
What school district is Cossitt Ave Elementary School part of?
Cossitt Ave Elementary School is part of La Grange SD 102 School District.
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