Riverdale Elem School

Located at 9424 256th St N, in Port Byron, Illinois, Riverdale Elem School is a moderately sized K-5 school that teaches 517 students (grades pre-K through 5), part of Riverdale CUSD 100. That puts it 36% above the typical public school in Illinois, which averages around 381 students.

Riverdale Elem School is one of 3 schools operated by Riverdale CUSD 100, a district that serves 1,095 students overall.

In terms of who attends, Riverdale Elem School shows that 86% of students identify as White, making the school strongly White-majority. Beyond that, the school records 9% Hispanic, 4% multiracial. By comparison, Rock Island County as a whole is about 72% White, so the school skews visibly more White than its surroundings.

On the income-and-resources front, Riverdale Elem School shows 40 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.9:1. That figure is tighter than the state norm's 13.9:1 average. An estimated 16% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Rock Island County runs at roughly 65%, so the school's eligibility rate is below the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Riverdale Elem School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 62.5%; this one delivers 61.7%.

Across the wider county, the surrounding county (Rock Island County) reports that the typical household earns roughly $67,159 per year, roughly 25% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 11%. Riverdale Elem School is one of 57 public schools in Rock Island County (combined enrollment of about 21,921 students).

Nearest neighbor: Riverdale Sr High School, around 0.2 miles off. Within five miles, there are 3 other public schools. On composite proficiency, Riverdale Elem School comes 5th of 9 in the immediate cluster, beneath the nearby-schools average of 66.0%.

The school occupies an outlying site.

Five-year trend. Over the past 7-year window, the student count ticked down 10%: 572 students in 2018 compared to 517 in 2025. The Hispanic share of enrollment climbed from 2% to 9% over that span. Class-load math has fell: from 16.8:1 in 2018 to 12.9:1 in 2025.

On the community side, the page collects discussion, questions, and updates around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.