Serving 297 students in grades Prekindergarten-5, Centennial Elementary School ranks in the top 20% of all schools in Illinois for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 40-44% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 11% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2025-26)
- Grades: Prekindergarten-5
- Enrollment: 297 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 11%
- Overall Testing Rank: Top 20% in IL
- Math Proficiency: 40-44% (Top 20%)
- Reading Proficiency: 40-44% (Top 30%)
- Science Proficiency: 60-69% (Top 30%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Centennial Elementary School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Math Proficiency
School Overview
Centennial Elementary School's student population of 297 students has stayed relatively flat over five school years.
The teacher population of 19 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
Total Students
297 students
Gender %
Total Classroom Teachers
19 teachers
School Rankings
Centennial Elementary School ranks within the top 20% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Centennial Elementary School is 0.20, 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
#661 out of 3542 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
40-44%
27%
Reading/Language Arts Test Scores (% Proficient)
40-44%
30%
Science Test Scores (% Proficient)
60-69%
50%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
n/a
6%
Hispanic
6%
28%
Black
n/a
17%
White
89%
45%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Eligible for Free Lunch
35%
43%
Eligible for Reduced Lunch
10%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Centennial Elementary School's ranking?
Centennial Elementary School is ranked #661 out of 3,542 schools, which ranks it among the top 20% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 27% IL state average), while 40-44% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Centennial Elementary School?
297 students attend Centennial Elementary School.
What is the racial composition of the student body?
89% of Centennial Elementary School students are White, 6% of students are Hispanic, and 5% of students are Two or more races.
What is the student-teacher ratio of Centennial Elementary School?
Centennial Elementary School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Centennial Elementary School offer ?
Centennial Elementary School offers enrollment in grades Prekindergarten-5
What school district is Centennial Elementary School part of?
Centennial Elementary School is part of Polo Community Unit School District 222.
School Calendar
View the Centennial Elementary School yearly calendar below. Note key dates such as:
Event
Date
Thanksgiving break
November 24, 2025 (Monday)
Thanksgiving break
November 24, 2025 (Monday)
Spring Break
March 30, 2026 (Monday)
Spring Break
March 31, 2026 (Tuesday)
Spring Break
April 01, 2026 (Wednesday)
School Reviews
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