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SCHOOL COMMUNITY·HARLEM UD 122·NCES 171824000670

Olson Park Elem School

1414 Minahan Dr, Machesney Park, IL 61115 · (815) 654-4504 · Winnebago County
GRADES 01–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL294 STUDENTS
Enrollment
294
Elementary
DISTRICT 322 · STATE 381
Student : Teacher
15.5:1
19 FTE teachers
DISTRICT 13.4:1 · STATE 13.9:1
Free / Reduced Lunch
55%
161 students
DISTRICT 64% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 1
47
Grade 2
39
Grade 3
72
Grade 4
58
Grade 5
78
Student demographics
White
19867%
DISTRICT 64% · STATE 45%
Hispanic
4315%
DISTRICT 18% · STATE 29%
Black
155%
DISTRICT 8% · STATE 16%
Asian
62%
DISTRICT 1% · STATE 6%
Two+
3010%
DISTRICT 9% · STATE 5%
Native American
21%
DISTRICT 0% · STATE 0%
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
15553%
Female
13947%

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
61.3%
IL avg 51.0% . +18.3pp since 2023
Math
48.8%
IL avg 37.9% . +11.6pp 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
52.9%
composite math + reading, all grades
Predicted
39.9%
based on IL schools with similar FRL share
Beats by
+13.0pp
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
294
-1 (0%) vs 2017
Student : Teacher
15.5:1
was 14.0:1
% White
67%
was 76%
% Hispanic
15%
was 11%
% Black
5%
was 5%
% Asian
2%
was 2%
Source: NCES Common Core of Data

About Olson Park Elem School

Set in Machesney Park, Illinois, Olson Park Elem School is a small primary school, part of Harlem UD 122. It educates 294 students across grades 1 through 5. By comparison, Illinois's public schools average about 381 students each, so Olson Park Elem School sits 23% below that benchmark.

Harlem UD 122 comprises 11 schools with combined enrollment of 6,108 students; Olson Park Elem School is among them.

In terms of who attends, Olson Park Elem School lists that 67% of the student body identifies as White; the rest breaks down as 15% Hispanic, 10% multiracial, 5% Black, 2% Asian. Compared to Winnebago County overall, the school's racial mix sits in roughly the same range.

On the income-and-resources front, The school currently runs with 19 full-time-equivalent teachers, for a student-teacher ratio near 15.5:1. That figure is higher than the state norm's 13.9:1 average. Roughly 55% of students at Olson Park Elem School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

After controlling for student poverty, Olson Park Elem School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 39.9%, the actual is 52.9%, a residual of +13.0 points.

Around the school, census data for Winnebago County shows median household income runs about $65,837, roughly 25% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. In all, Winnebago County runs 94 public schools (combined enrollment of about 44,103 students), of which Olson Park Elem School is one.

Nearest neighbor: Harlem High School, around 0.5 miles off. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Olson Park Elem School ranks 1st on composite proficiency, higher than the local average of 31.0%.

The school occupies a commuter-belt site.

Over the past 7-year window. Over the past 7-year window, the student count remained close to its prior level: 295 students in 2018 compared to 294 in 2025. White enrollment moved from 76% to 67% across the same window. Class-load math has rose: from 14.0:1 in 2018 to 15.5:1 in 2025.

Inside the community feed, posts here usually surface around classroom updates, athletics, and weather closures. Members of the school community can share what they know.

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
Olson Park Elem School
District
Harlem UD 122
Address
1414 Minahan Dr, Machesney Park, IL 61115
Phone
(815) 654-4504
County
Winnebago County
Level
Elementary
Grade range
01–05
Total enrollment
294
Teachers (FTE)
19
Student–teacher ratio
15.5:1
Free/Reduced lunch
161 (55%)
Locale
21-Suburb: Large
NCES ID
171824000670
Charter school
No
Virtual school
No

Related schools

Other schools in Harlem UD 122
Other schools in Machesney Park
Nearby schools

Frequently asked questions

About Olson Park Elem School
What is the total enrollment at Olson Park Elem School?
Olson Park Elem School enrolls approximately 294 students in grades 01-05.
What grades does Olson Park Elem School serve?
Olson Park Elem School serves grades 01-05.
What is the student-teacher ratio at Olson Park Elem School?
The student-to-teacher ratio at Olson Park Elem School is approximately 15.5:1 (19 FTE teachers).
What is the racial breakdown of students at Olson Park Elem School?
At Olson Park Elem School, the student body is approximately 67% White, 15% Hispanic, 5% Black, 2% Asian, 10% Two or more.
Is Olson Park Elem School public or private?
Olson Park Elem School is a public K-12 school, overseen by Harlem UD 122.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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