Centennial School

Centennial School, a middle-of-the-pack elementary-level community in Bartlett, Illinois, run under SD U-46, instructs 514 students, covering grades K through 6. By comparison, Illinois's public schools average about 381 students each, so Centennial School sits 35% larger than that benchmark.

Centennial School is one of 51 schools operated by SD U-46, a district that hosts 34,036 students overall.

In terms of who attends, Centennial School logs that the largest single group is White, at 61% of enrollment. The remainder consists of 16% Asian, 13% Hispanic, 6% multiracial, 4% Black. Compared to DuPage County overall, the school's racial mix sits in roughly the same range.

On the income-and-resources front, On paper, Centennial School has 32 full-time-equivalent teachers, translating to a class-load average of around 15.9:1. That figure is higher than the state norm's 13.9:1 average. About 23% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy. By comparison, DuPage County runs at roughly 34%, so the school's eligibility rate is somewhat below the surrounding baseline.

On a demographically-adjusted basis, Centennial School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 58.4%; this one delivers 59.1%.

Zooming out to the county, community-level numbers for DuPage County indicate the typical household earns roughly $112,096 per year, roughly 52% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Across DuPage County's 277 public schools (combined enrollment of about 138,557 students), Centennial School is one campus in the mix.

Nearest neighbor: Sycamore Trails Elementary School, around 0.9 miles off. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Centennial School at 2nd of 9; the average score across the group is 46.8%.

Geographically, the school is in a suburban area.

Over the past 7-year window. Over the past 7-year window, the student count climbed 4%: 495 students in 2018 compared to 514 in 2025. Over the same period, the Hispanic share decreased from 20% to 13%. The student-to-teacher ratio pulled in from 19.3:1 in 2018 to 15.9:1 today.

On this page, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.