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SCHOOL COMMUNITY·ROCKTON SD 140·NCES 173454003624

Stephen Mack Middle School

11810 Old River Rd, Rockton, IL 61072 · (815) 624-2611 · Winnebago County
GRADES 06–08MIDDLE23-SUBURBREGULAR SCHOOL552 STUDENTS
Enrollment
552
Middle
DISTRICT 526 · STATE 462
Student : Teacher
16.8:1
33 FTE teachers
DISTRICT 16.1:1 · STATE 13.0:1
Free / Reduced Lunch
30%
164 students
DISTRICT 33% · STATE 56%
Community
1
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
204
Grade 7
162
Grade 8
186
Student demographics
White
41375%
DISTRICT 75% · STATE 45%
Hispanic
7013%
DISTRICT 13% · STATE 29%
Black
234%
DISTRICT 4% · STATE 16%
Asian
61%
DISTRICT 1% · STATE 6%
Two+
407%
DISTRICT 6% · 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
28852%
Female
26448%

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
77.2%
IL avg 51.0% . +0.4pp since 2023
Math
45.7%
IL avg 37.9% . +9.9pp 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
61.4%
composite math + reading, all grades
Predicted
54.4%
based on IL schools with similar FRL share
Beats by
+7.1pp
above 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
552
-5 (-1%) vs 2017
Student : Teacher
16.8:1
was 17.7:1
% White
75%
was 85%
% Hispanic
13%
was 8%
% Black
4%
was 2%
% Asian
1%
was 3%
Source: NCES Common Core of Data

About Stephen Mack Middle School

Stephen Mack Middle School is a middle-grades school of middle-of-the-pack scale in Rockton, Illinois, overseen by Rockton SD 140, teacheing 552 students in grades 6 through 8.

Rockton SD 140 runs 3 schools in total, collectively educating 1,579 students. Stephen Mack Middle School is one of those campuses.

On the student-mix side, Stephen Mack Middle School shows that White students make up the majority at 75%. Beyond that, the school shows 13% Hispanic, 7% multiracial, 4% Black. The wider county runs roughly 66% White, putting the school's mix noticeably more White than the area baseline.

On the resource side, Staff filings list 33 full-time-equivalent teachers, which works out to roughly 16.8:1 students per teacher. Statewide, the average ratio sits near 13.0:1, putting Stephen Mack Middle School higher than the state norm the norm. About 30% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably below Winnebago County's rate of about 61%.

With demographic context factored in, Stephen Mack Middle School tracks the demographic baseline. The model predicts 54.4% given the school's FRL share; actual proficiency is 61.4%.

Zooming out to the county, ACS estimates for Winnebago County put median household earnings sit near $65,837, about 25% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 11%. Across Winnebago County's 94 public schools (combined enrollment of about 44,103 students), Stephen Mack Middle School is one campus in the mix.

Nearest neighbor: Whitman Post Elem School, around 1.7 miles off. Counting just inside five miles, 8 other public schools cluster around Stephen Mack Middle School. Ranking that nearby cluster on reported proficiency puts Stephen Mack Middle School at 4th of 8; the average score across the group is 47.0%.

Stephen Mack Middle School operates from a bedroom-community location.

Over the past 7-year window. Stephen Mack Middle School's enrollment has remained close to its prior level since 2018, when it stood at 557 (now 552). Over the same period, the White share declined from 85% to 75%.

On the community side, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Winnebago County at a glance

View full county profile
Population
283,292
Census ACS
Median income
$65,837
Household, ACS
Bachelor's+
25%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
94
44,103 students

Quick facts

School name
Stephen Mack Middle School
District
Rockton SD 140
Address
11810 Old River Rd, Rockton, IL 61072
Phone
(815) 624-2611
County
Winnebago County
Level
Middle
Grade range
06–08
Total enrollment
552
Teachers (FTE)
33
Student–teacher ratio
16.8:1
Free/Reduced lunch
164 (30%)
Locale
23-Suburb: Small
NCES ID
173454003624
Charter school
No
Virtual school
No

Related schools

Other schools in Rockton SD 140
Other schools in Rockton
Nearby schools

Frequently asked questions

About Stephen Mack Middle School
How many students attend Stephen Mack Middle School?
Stephen Mack Middle School enrolls approximately 552 students in grades 06-08.
What grades does Stephen Mack Middle School serve?
Stephen Mack Middle School serves grades 06-08.
What is the student-teacher ratio at Stephen Mack Middle School?
The student-to-teacher ratio at Stephen Mack Middle School is approximately 16.8:1 (33 FTE teachers).
What is the racial breakdown of students at Stephen Mack Middle School?
At Stephen Mack Middle School, the student body is approximately 75% White, 13% Hispanic, 4% Black, 1% Asian, 7% Two or more.
Who oversees Stephen Mack Middle School?
Stephen Mack Middle School is overseen by Rockton SD 140 in Winnebago County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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