- Enrollment
- 677
- Students per teacher
- 14.4:1
- Resource Index
- 43/100
Other / mixed grade configuration · Orland Park, IL
Centennial School
Federal NCES profile for Centennial School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173022005541
👥 S:T ratio 51
🌟 Gifted program 30
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial School earns 41/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #3 of 6
- schools in Orland Park · Resource Index
- 41
- Resource Index · Typical
- 12.3:1
- students per teacher
- 392
- students enrolled
Centennial School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Centennial School ranks #3 of 6 schools in Orland Park, IL.
School address
District: Orland Sd 135 · Illinois
NCES ID 173022005541 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+12 students YoY
Centennial School held near 412 students from 2022-23 to 2023-24 (+12 headcount).
Teacher FTE lost 32.6 → 32.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+12 students YoY 173022005541 · Orland Park, IL Other · SMALL · TRAD
392 enr · 12.3:1 · RII 41
Nearest enrollment peer: Jerling Junior High School (677 students)
Centennial School held near 412 students from 2022-23 to 2023-24 (+12 headcount). Teacher FTE lost 32.6 → 32.2 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Centennial School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Jerling Junior
Jerling Junior High School
677 students
- Century Junior
Century Junior High School
636 students
- Liberty Elem S
Liberty Elem School
627 students
- Meadow Ridge S
Meadow Ridge School
554 students
- Orland Jr High
Orland Jr High School
524 students
- This school
Centennial School
392 students
What this shows Centennial School reports 392 students on the CCD universe file.
How Centennial School compares
Centennial School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▼ 12% | 14:1 | 15.7:1 |
| Enrollment | 392 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
392
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
12.3:1
students per teacher
- 12% below state mean
Top 33% in Illinois - lower ratio than 67% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
23.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,852
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 3 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 76.0%
Hispanic or Latino 9.7%
African American 5.1%
Two or More 4.8%
Asian 4.1%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 76.0% of enrollment.
Student-body diversity index 40.6/100
Simpson diversity index - at 40.6, Centennial School is about as mixed as the Illinois school average of 38.9.
Programs
District finance for Orland Sd 135 reports $18,852 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Centennial School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jerling Junior High School | Larger | No free-lunch data | Higher S:T ratio |
| Century Junior High School | Larger | No free-lunch data | Similar S:T ratio |
| Liberty Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Meadow Ridge School | Larger | No free-lunch data | Similar S:T ratio |
| Orland Jr High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Centennial School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 636
- Students per teacher
- 12.7:1
- Resource Index
- 43/100
- Enrollment
- 627
- Students per teacher
- 16.1:1
- Resource Index
- 41/100
- Enrollment
- 554
- Students per teacher
- 13.5:1
- Resource Index
- 45/100
- Enrollment
- 524
- Students per teacher
- 12.2:1
- Resource Index
- 47/100
Similar other schools in Orland Park
5 comparable other schools (grades Mixed) serving the same city.
Prairie Elem School
Standard public school
507 students 12.7:1 students per teacher
Arnold W Kruse Ed Center
Standard public school
462 students 12.5:1 students per teacher
Fernway Park Elem School
Standard public school
461 students 15.4:1 students per teacher
Orland Park Elem School
Standard public school
386 students 16.1:1 students per teacher
Orland Center School
Standard public school
379 students 12.6:1 students per teacher
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~392 students)
Frequently asked questions about Centennial School
How many students attend Centennial School?
Centennial School has 392 students enrolled. It is a public school in Orland Park, IL. CCD year-over-year: 400 (2022-23) → 412 (2023-24), nearly flat (+12).
What is the student-teacher ratio at Centennial School?
The student-teacher ratio at Centennial School is 12.3:1, which is 12% lower than the Illinois average of 14:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Centennial School?
The largest demographic group at Centennial School is White at 76.0% of enrollment, in Orland Park, IL.
What is the Resource Investment Index for Centennial School?
Centennial School has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Centennial School rank among schools in Orland Park?
By Resource Investment Index, Centennial School ranks #3 of 6 schools in Orland Park, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Orland Park on the city page.
What other schools are in Orland Sd 135?
Besides Centennial School, Orland Sd 135 also operates Jerling Junior High School (677 students), Century Junior High School (636 students), and Liberty Elem School (627 students). See the Orland Sd 135 district page for the complete list.