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SCHOOL COMMUNITY·RIVERDALE CUSD 100·NCES 173393003485

Riverdale Middle School

9822 256th St N, Port Byron, IL 61275 · (309) 523-3131 · Rock Island County
GRADES 06–08MIDDLE41-RURALREGULAR SCHOOL254 STUDENTS
Enrollment
254
Middle
DISTRICT 365 · STATE 462
Student : Teacher
14.1:1
18 FTE teachers
DISTRICT 13.0:1 · STATE 13.0:1
Free / Reduced Lunch
16%
40 students
DISTRICT 16% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
78
Grade 7
72
Grade 8
104
Student demographics
White
22789%
DISTRICT 88% · STATE 45%
Hispanic
146%
DISTRICT 7% · STATE 29%
Black
31%
DISTRICT 1% · STATE 16%
Asian
42%
DISTRICT 1% · STATE 6%
Two+
62%
DISTRICT 3% · STATE 5%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
12549%
Female
12951%

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
71.9%
IL avg 51.0% . +12.0pp since 2023
Math
47.8%
IL avg 37.9% . +13.9pp since 2023
Source: IAR + ISA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
54.7%
composite math + reading, all grades
Predicted
62.4%
based on IL schools with similar FRL share
Beats by
-7.7pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
254
-13 (-5%) vs 2017
Student : Teacher
14.1:1
was 19.1:1
% White
89%
was 92%
% Hispanic
6%
was 2%
% Black
1%
was 0%
Source: NCES Common Core of Data

About Riverdale Middle School

Riverdale Middle School is a compact junior high in Port Byron, Illinois, part of Riverdale CUSD 100. The school educates 254 students in grades 6 through 8. Compared to the state average of about 462 students per school, that is 45% below typical.

Riverdale CUSD 100 comprises 3 schools with combined enrollment of 1,095 students; Riverdale Middle School is among them.

For racial and ethnic makeup, Riverdale Middle School lists that the student body is overwhelmingly White (89%). Other groups include 6% Hispanic, 2% 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 resource side, On paper, Riverdale Middle School has 18 full-time-equivalent teachers, translating to a class-load average of around 14.1:1. The state averages around 13.0:1, so this campus is higher than the state norm typical. Roughly 16% of students at Riverdale Middle School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Rock Island County's rate of about 65%.

After controlling for student poverty, Riverdale Middle School tracks the demographic baseline. The model predicts 62.4% given the school's FRL share; actual proficiency is 54.7%.

Across the wider county, the surrounding county (Rock Island County) reports that median household income runs about $67,159, about 25% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 11%. In all, Rock Island County runs 57 public schools (combined enrollment of about 21,921 students), of which Riverdale Middle School is one.

Riverdale Sr High School is the nearest neighboring public school, about 0.3 miles from this campus. Counting just inside five miles, 3 other public schools cluster around Riverdale Middle School. Ranking that nearby cluster on reported proficiency puts Riverdale Middle School at 6th of 9; the average score across the group is 66.8%.

Geographically, the school is in a small-town area.

Looking at the recent track record. Riverdale Middle School's enrollment has declined 5% since 2018, when it stood at 267 (now 254). The student-to-teacher ratio fell from 19.1:1 in 2018 to 14.1:1 today.

On the community side, the feed for Riverdale Middle School typically covers pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.

Rock Island County at a glance

View full county profile
Population
142,757
Census ACS
Median income
$67,159
Household, ACS
Bachelor's+
25%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
57
21,921 students

Quick facts

School name
Riverdale Middle School
District
Riverdale CUSD 100
Address
9822 256th St N, Port Byron, IL 61275
Phone
(309) 523-3131
County
Rock Island County
Level
Middle
Grade range
06–08
Total enrollment
254
Teachers (FTE)
18
Student–teacher ratio
14.1:1
Free/Reduced lunch
40 (16%)
Locale
41-Rural: Fringe
NCES ID
173393003485
Charter school
No
Virtual school
No

Related schools

Other schools in Riverdale CUSD 100
Other schools in Port Byron
Nearby schools

Frequently asked questions

About Riverdale Middle School
How many students attend Riverdale Middle School?
Riverdale Middle School enrolls approximately 254 students in grades 06-08.
What age range does Riverdale Middle School serve?
Riverdale Middle School serves students from grade 06 through grade 08.
How many students per teacher at Riverdale Middle School?
Approximately 14.1:1 students per teacher at Riverdale Middle School.
How diverse is Riverdale Middle School?
Riverdale Middle School reports a student body of 89% White, 6% Hispanic, 1% Black, 2% Asian, 2% Two or more.
Is Riverdale Middle School public or private?
Riverdale Middle School is a public K-12 school, overseen by Riverdale CUSD 100.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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