SchoolRow
#162

Riverdale Middle School

Port Byron, IL · Riverdale CUSD 100

Regular public school · Grades 6 - 8 · Rural, fringe

162nd of 685 Illinois middle schools statewide · better than 76% Improving

9822 256th St N, Port Byron, IL 61275

(309)523-3131NCES ID 173393003485Directory 202324

261
Students
2023–24 enrollment
14.5:1
Student / teacher ratio
15%
Free / reduced-price lunch
low-income indicator
16.0%
Chronically absent
IL average 25%

SchoolRow ranks Riverdale Middle School 162nd of 685 Illinois middle schools for 2024–25, based on Illinois Report Card 2024–25 English and Math results — better than 76% of middle schools statewide. Its statewide percentile went from 68th in 2019 to 76th in 2025 — improving.

Statewide percentile by year
25%50%75%76%201920202025no testing 2020–21

Percent meeting or exceeding the state standard, Illinois Report Card 2024–25

English Language Arts
Riverdale Middle School
71%
IL average
52%
Math
Riverdale Middle School
48%
IL average
38%
Science
Riverdale Middle School
45%
IL average
45%
English Language Arts over time Riverdale Middle School IL average
25%50%75%71%52%201920202025no testing 2020–21
Math over time Riverdale Middle School IL average
25%50%75%48%38%201920202025no testing 2020–21
Science over time Riverdale Middle School IL average
25%50%75%45%45%201920202025no testing 2020–21
ELA by race, over time
25%50%75%72%57%54%201920202025no testing 2020–21

Hispanic (last reported 2023) and Two or more races (last reported 2023) stop before 2025: IL suppresses a group once too few of its students are tested, so the line ends rather than the school having stopped testing.

Math by race, over time
25%50%75%49%39%36%201920202025no testing 2020–21

Hispanic (last reported 2023) and Two or more races (last reported 2023) stop before 2025: IL suppresses a group once too few of its students are tested, so the line ends rather than the school having stopped testing.

Science by race, over time
25%50%75%43%201920202025no testing 2020–21

Percent meeting or exceeding the state standard, by student race and ethnicity. Only groups IL reports for this school appear — small groups are suppressed at the source to protect student privacy, so a missing line means too few testers, not zero. Tap a group to compare it with the IL average for that same group.

Racial and ethnic breakdown of 261 students (202324, NCES) — history since 1988, with comparable seven-category changes from 2010

5%White90%
Hover the pie for details
categories changedWhite 90%99%19882023
GroupTrend20102023Change
White94.8%90.4% 4.4 pts
Hispanic2.4%5.4% 3.0 pts
Two or more races0.8%2.3% 1.5 pts
Asian0.8%1.1% 0.3 pts
Black1.2%0.8% 0.4 pts

NCES history for this school begins in 1988. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.

Typical home value $311K in zip 61275 as of 2026-05 · trend since 2006

$74K$149K$223K$297K$283K20062010201520202025

Data Provided by Zillow Group

See recently sold homes in 61275 on Zillow →

Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Riverdale Middle School

View on the map →

What school district is Riverdale Middle School in?

Riverdale Middle School is part of the Riverdale CUSD 100 district in Port Byron, Illinois.

Is Riverdale Middle School a good school?

SchoolRow ranks Riverdale Middle School 162nd of 685 Illinois middle schools (better than 76% statewide) based on 2024–25 test results (Illinois Report Card 2024–25).

What is the racial makeup of Riverdale Middle School?

White 90%, Hispanic 5%, Two or more races 2%, Asian 1% (261 students, 2023–24).

How much do homes near Riverdale Middle School cost?

The typical home value in zip code 61275 is $311K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (Illinois Report Card 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.