Serving 412 students in grades Prekindergarten-2, Centennial School ranks in the top 10% of all schools in Illinois for overall test scores (math proficiency is top 5%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 70-79% (which is higher than the Illinois state average of 33%). The percentage of students achieving proficiency in reading/language arts is 50-59% (which is higher than the Illinois state average of 38%).
The student-teacher ratio of 13:1 is equal to the Illinois state level of 13:1.
Minority enrollment is 22% of the student body (majority Hispanic and Black), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-2
- Enrollment: 412 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 22%
- Math Proficiency: 70-79%
- Reading Proficiency: 50-59%
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Centennial School's student population of 412 students has grown by 17% over five school years.
The teacher population of 32 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-2
Total Students
412 students
Gender %
Total Classroom Teachers
32 teachers
Year Founded
1905
Last Day of School
Thu. Jun 4, 2026
School Rankings
The diversity score of Centennial School is 0.38, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
(18-19)70-79%
33%
Reading/Language Arts Test Scores (% Proficient)
(18-19)50-59%
38%
Student-Teacher Ratio
13:1
13:1
American Indian
n/a
n/a
Asian
5%
6%
Hispanic
8%
28%
Black
6%
17%
White
78%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Eligible for Free Lunch
15%
43%
Eligible for Reduced Lunch (11-12)
4%
27%
School Statewide Testing
School District Name
Orland School District 135
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Bulldogs
Frequently Asked Questions
What schools are Centennial School often compared to?
Centennial Schoolis often viewed alongside schools like Orland Park Elementary School, Orland Center School, Fernway Park Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70-79% of students have achieved math proficiency (compared to the 33% IL state average), while 50-59% of students have achieved reading proficiency (compared to the 38% IL state average).
How many students attend Centennial School?
412 students attend Centennial School.
What is the racial composition of the student body?
78% of Centennial School students are White, 8% of students are Hispanic, 6% of students are Black, 5% of students are Asian, and 3% of students are Two or more races.
What is the student-teacher ratio of Centennial School?
Centennial School has a student ration of 13:1, which is equal to the Illinois state average of 13:1.
What grades does Centennial School offer ?
Centennial School offers enrollment in grades Prekindergarten-2
What school district is Centennial School part of?
Centennial School is part of Orland School District 135.
School Reviews
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