Enrollment
294
Elementary
DISTRICT 322 · STATE 381
SCHOOL COMMUNITY·HARLEM UD 122·NCES 171824000670
Olson Park Elementary School
1414 Minahan Dr, Machesney Park, IL 61115 · (815) 654-4504 · Winnebago County
GRADES 01–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL294 STUDENTS
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 1 | 47 | 16% |
| Grade 2 | 39 | 13% |
| Grade 3 | 72 | 24% |
| Grade 4 | 58 | 20% |
| Grade 5 | 78 | 27% |
This year's 1st grade class (47) is 40% smaller than its 5th grade class (78).
Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 54% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within Harlem UD 122. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at Olson Park Elementary School.
START A DISCUSSIONTest 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
What this means: On the IAR + ISA, Illinois's statewide test, about 61 of every 100 students at this school read and write at grade level and about 49 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 18 points since 2023, while math scores are up about 12 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 61.3% | 48.8% |
| 2023-24 | 43.0% | 37.2% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What this means: About 53% of students here test proficient in math and reading, compared with the roughly 40% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Olson Park Elementary School
Olson Park Elementary School's state test result (52.9% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Olson Park Elementary School this school | 294 | 54.8% | 52.9% |
| Pepper Ridge Elementary School Bloomington | 287 | 52.6% | 44.2% |
| Arthur Grade School Arthur | 258 | 55.8% | 48.6% |
| Wethersfield Elementary School Kewanee | 296 | 48.6% | 49.1% |
| Colona Grade School Colona | 371 | 52.6% | 32.0% |
| West Elementary School Sycamore | 270 | 60.0% | 45.4% |
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Olson Park Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In Winnebago County |
|---|---|---|---|
| State test proficiency ranked highest first | 52.9% | #503 of 1,925 | #9 of 44 |
| Math proficiency ranked highest first | 48.8% | #700 of 2,077 ▼ 90 | #9 of 44 no change |
| Reading proficiency ranked highest first | 61.3% | #635 of 2,077 ▲ 68 | #6 of 44 ▲ 2 |
| Enrollment ranked largest first | 294 | #1,569 of 2,419 | #43 of 54 |
| Students per teacher ranked fewest first | 15.5:1 | #1,635 of 2,035 | #18 of 48 |
| Diversity index ranked most diverse first | 51.2% | #884 of 2,042 | #35 of 51 |
| Free and reduced lunch ranked highest share first | 54.8% | #1,169 of 2,132 | #37 of 53 |
| Enrollment change since 2017-18 ranked steepest decline first | -0.3% | #1,454 of 1,461 | #28 of 28 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
294
-100 (-25%) vs 2020
-33% since 2000-01, when it was 437
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 294 | 19 | 15.5:1 | 55% (161) |
| 2023-24 | 356 | 21.2 | 16.8:1 | 52% (184) |
| 2022-23 | 343 | 21.2 | 16.2:1 | 51% (174) |
| 2020-21 | 394 | N/A | N/A | N/A |
| 2017-18 | 295 | 21.1 | 14.0:1 | 45% (132) |
| 2015-16 | 365 | 24 | 15.2:1 | 33% (122) |
| 2010-11 | 351 | 25 | 14.0:1 | 28% (100) |
| 2000-01 | 437 | 21 | 20.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Olson Park Elementary School.
Since 2017-18: students unchanged (295 to 294); teachers down 10% (21.1 to 19).
About Olson Park Elementary School
Olson Park Elementary School operates as a low-enrollment elementary school in Machesney Park, Illinois. It has an enrollment of 294 students in grades 1 through 5. On average, elementary schools in Illinois enroll around 381, and this school is 23% below that mark.
Harlem UD 122 counts 6,108 students in its 11 schools, and Olson Park Elementary School is one of them.
More than half of the students at Olson Park Elementary School are White (67%). The remaining shares are 15% Hispanic, 10% multiracial, 5% Black, and 2% Asian. That is in line with Winnebago County, where about 66% of residents are White. The diversity index for Olson Park Elementary School is 51%. For US public schools as a whole it is 70%.
Classroom staffing at Olson Park Elementary School totals 19 full-time-equivalent teachers, and the student-to-teacher ratio is 15.5:1. The average for elementary schools in Illinois is 13.9:1, so this school has more students per teacher. Free or reduced-price lunch eligibility at Olson Park Elementary School is about 55%.
Olson Park Elementary School's actual average proficiency rate across its state test results (52.9%) and its predicted rate (39.9%) put it outside the top and bottom 10% of Illinois schools.
Looking at the county, Winnebago County, median household income comes to about $65,837, about 25% of adults have at least a bachelor's degree, and the poverty rate is about 11%. The county's public schools total 94, with about 44,103 students.
Harlem High School is about 0.5 miles away, making it the nearest public school. Other public schools within five miles number at least 8. Compared with its nearest neighbors, Olson Park Elementary School ranks 1st of 8 on average proficiency.
On the NCES locale scale, the school is Suburb: Large.
The school shrank from 394 students in 2020-21 to 294 in 2024-25.
This page collects posts and questions about Olson Park Elementary School, such as fundraisers, report cards, and school supplies. Members of the school community can share what they know.
Winnebago County at a glance
View full county profilePopulation
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
Related schools
Other schools in Harlem UD 122
- Harlem High SchoolHigh · 1,884 students
- Harlem Middle SchoolMiddle · 1,330 students
- Donald C Parker Early Educ CenterElementary · 571 students
- Machesney Elementary SchoolElementary · 361 students
- Windsor Elementary SchoolElementary · 315 students
- Maple Elementary SchoolElementary · 313 students
Other schools in Machesney Park
- Harlem High SchoolHigh · 1,884 students
- Donald C Parker Early Educ CenterElementary · 571 students
- Machesney Elementary SchoolElementary · 361 students
- Marquette Elementary SchoolElementary · 268 students
- Ralston Elementary SchoolElementary · 232 students
Nearby schools
- Harlem High School0.5 mi · 1,884
- Ralston Elementary School0.9 mi · 232
- Machesney Elementary School1.0 mi · 361
- Donald C Parker Early Educ Center1.4 mi · 571
- Marquette Elementary School1.5 mi · 268
- Maple Elementary School1.6 mi · 313
Frequently asked questions
About Olson Park Elementary SchoolWhat is the total enrollment at Olson Park Elementary School?
Olson Park Elementary School enrolls approximately 294 students in grades 01-05.
What grades does Olson Park Elementary School serve?
Olson Park Elementary School serves grades 01-05.
What is the student-teacher ratio at Olson Park Elementary School?
The student-to-teacher ratio at Olson Park Elementary School is approximately 15.5:1 (19 FTE teachers).
What is the racial breakdown of students at Olson Park Elementary School?
At Olson Park Elementary School, the student body is approximately 67% White, 15% Hispanic, 5% Black, 2% Asian, 10% Two or more.
Is Olson Park Elementary School public or private?
Olson Park Elementary 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.