Serving 600 students in grades Kindergarten-5, Mill Street Elementary School ranks in the top 10% of all schools in Illinois for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 55% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 61% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 13:1 is equal to the Illinois state level of 13:1.
Minority enrollment is 54% of the student body (majority Hispanic and Asian), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 600 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 54%
- Overall Testing Rank: Top 10% in IL
- Math Proficiency: 55% (Top 10%)
- Reading Proficiency: 61% (Top 10%)
- Science Proficiency: 70-74% (Top 20%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Mill Street 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
Diversity
School Overview
Mill Street Elementary School's student population of 600 students has stayed relatively flat over five school years.
The teacher population of 48 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
600 students
Total Classroom Teachers
48 teachers
School Rankings
Mill Street Elementary School ranks within the top 10% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Mill Street Elementary School is 0.71, which is more 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
#201 out of 3542 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
55%
27%
Reading/Language Arts Test Scores (% Proficient)
61%
30%
Science Test Scores (% Proficient)
70-74%
50%
Student-Teacher Ratio
13:1
13:1
American Indian
n/a
n/a
Asian
16%
6%
Hispanic
20%
29%
Black
11%
16%
White
46%
45%
Hawaiian
n/a
n/a
Two or more races
7%
4%
All Ethnic Groups
Eligible for Free Lunch
28%
43%
Eligible for Reduced Lunch
6%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Mill Street Elementary School's ranking?
Mill Street Elementary School is ranked #201 out of 3,542 schools, which ranks it among the top 10% of public schools in Illinois.
What schools are Mill Street Elementary School often compared to?
Mill Street Elementary Schoolis often viewed alongside schools like Brookdale Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55% of students have achieved math proficiency (compared to the 27% IL state average), while 61% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Mill Street Elementary School?
600 students attend Mill Street Elementary School.
What is the racial composition of the student body?
46% of Mill Street Elementary School students are White, 20% of students are Hispanic, 16% of students are Asian, 11% of students are Black, and 7% of students are Two or more races.
What is the student-teacher ratio of Mill Street Elementary School?
Mill Street Elementary School has a student ration of 13:1, which is equal to the Illinois state average of 13:1.
What grades does Mill Street Elementary School offer ?
Mill Street Elementary School offers enrollment in grades Kindergarten-5
What school district is Mill Street Elementary School part of?
Mill Street Elementary School is part of Naperville CUSD 203 School District.
In what neighborhood is Mill Street Elementary School located?
Mill Street Elementary School is located in the Naperville Park District neighborhood of Naperville, IL. There are 34 other public schools located in Naperville Park District.
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