Total enrollment
1,095
-73 (-6%) vs SY 2017-18
3 schools in Riverdale CUSD 100
Illinois · 1,095 students · 1 city
Whether you are tracking a high school, middle school, or elementary campus, Riverdale CUSD 100's 3 public K-12 schools collectively enroll about 1,095 students (1 elementary, 1 middle, and 1 high).
7-year change in Riverdale CUSD 100
SY 2017-18 vs SY 2024-25School count
3
0 (0%) vs SY 2017-18
% White
88%
was 93%
% Hispanic
7%
was 2%
% Black
1%
was 0%
% Asian
1%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Riverdale Elem School | Port Byron | Elementary | PK-05 | 517 |
| Riverdale Sr High School | Port Byron | High | 09-12 | 324 |
| Riverdale Middle School | Port Byron | Middle | 06-08 | 254 |
About Riverdale CUSD 100
Riverdale CUSD 100 is a thinly populated Illinois school district running 3 campuses with combined enrollment near 1,095.
On the level-by-level breakdown, Riverdale CUSD 100 spans 1 elementary, 1 middle, and 1 high school.
Average enrollment per school in Riverdale CUSD 100 is about 365, below the Illinois average of roughly 480.
Trend over the past 7 years. Across the same 7-year window, public-school enrollment fell 6%: 1,168 students in SY 2017-18 versus 1,095 in SY 2024-25. Demographically, the Hispanic share of enrollment expanded from 2% to 7%.
On this page, the community for Riverdale CUSD 100 discusses open enrollment windows, redistricting talk, and busing logistics. Discussions cut across districts, schools, and grade levels.