Centennial Elem School
School pathway
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 68 of every 100 students at this school read and write at grade level and about 71 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 21 points since 2023, while math scores are up about 18 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 64% of students here test proficient in math and reading, well above the roughly 46% typical for Illinois schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 17 points, placing it in Illinois's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Centennial Elem School
Centennial Elem School, a close-knit elementary school in Polo, Illinois, overseen by Polo CUSD 222, caters to 294 students, covering grades pre-K through 5. By comparison, Illinois's public schools average about 381 students each, so Centennial Elem School sits 23% below that benchmark.
Polo CUSD 222 comprises 3 schools with combined enrollment of 594 students; Centennial Elem School is among them.
In terms of who attends, Centennial Elem School shows that 90% of students identify as White, making the school strongly White-majority. Other groups include 7% Hispanic, 2% multiracial.
In terms of school funding signals, The school employs 18 full-time-equivalent teachers, for a student-teacher ratio near 16.0:1. Statewide, the average ratio sits near 13.9:1, putting Centennial Elem School higher than the state norm the norm. Around 44% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy.
With demographic context factored in, Centennial Elem School ranks in the top 10% of Illinois public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 46.2%; Centennial Elem School posts 63.5%, +17.4 points above that line.
In the surrounding community, Ogle County reports that the typical household earns roughly $82,132 per year, about 24% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. In all, Ogle County runs 26 public schools (combined enrollment of about 8,269 students), of which Centennial Elem School is one.
Nearest neighbor: Aplington Middle School, around 0.3 miles off. Within five miles, there are 2 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Centennial Elem School ranks 1st on composite proficiency, ahead of the local average of 45.1%.
Geographically, the school is in a rural area.
Looking at the recent track record. Centennial Elem School's enrollment has rose 6% since 2018, when it stood at 278 (now 294).
On this page, members of the Centennial Elem School community share and discuss classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.
Ogle County at a glance
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Related schools
- Polo Comm High SchoolHigh · 186 students
- Aplington Middle SchoolMiddle · 114 students
- Polo Comm High SchoolHigh · 186 students
- Aplington Middle SchoolMiddle · 114 students
- Aplington Middle School0.3 mi · 114
- Polo Comm High School0.3 mi · 186
- Forreston Grade School9.7 mi · 238
- Jefferson Elem School9.8 mi · 344
- Forreston Jr/Sr High Sch10.0 mi · 406
- Washington Elem School10.2 mi · 424