Serving 392 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 11:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 24% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-2
- Enrollment: 392 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 24%
- 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 392 students has grown by 12% over five school years.
The teacher population of 36 teachers has grown by 9% over five school years.
Grades Offered
Grades Prekindergarten-2
Total Students
392 students
Total Classroom Teachers
36 teachers
Year Founded
1905
Colors
Blue and Gold
School Calendar
School Rankings
The diversity score of Centennial School is 0.41, 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.
Math Test Scores (% Proficient)
(18-19)70-79%
33%
Reading/Language Arts Test Scores (% Proficient)
(18-19)50-59%
38%
Student-Teacher Ratio
11:1
13:1
American Indian
n/a
n/a
Asian
4%
6%
Hispanic
10%
29%
Black
5%
16%
White
76%
45%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Eligible for Free Lunch
16%
43%
Eligible for Reduced Lunch (11-12)
4%
27%
School Statewide Testing
School District Name
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?
392 students attend Centennial School.
What is the racial composition of the student body?
76% of Centennial School students are White, 10% of students are Hispanic, 5% of students are Black, 5% of students are Two or more races, and 4% of students are Asian.
What is the student-teacher ratio of Centennial School?
Centennial School has a student ration of 11:1, which is lower than 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 SD 135 School District.
School Reviews
Review Centennial School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
