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SCHOOL COMMUNITY·BERWYN NORTH SD 98·NCES 170606000285

Prairie Oak School

1427 Oak Park Ave, Berwyn, IL 60402 · (708) 795-2442 · Cook County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL698 STUDENTS
Enrollment
698
Elementary
DISTRICT 547 · STATE 381
Student : Teacher
13.5:1
52 FTE teachers
DISTRICT 13.6:1 · STATE 13.9:1
Free / Reduced Lunch
72%
503 students
DISTRICT 70% · STATE 56%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
75
Kindergarten
90
Grade 1
114
Grade 2
102
Grade 3
115
Grade 4
110
Grade 5
92
Student demographics
White
416%
DISTRICT 5% · STATE 45%
Hispanic
53477%
DISTRICT 80% · STATE 29%
Black
9614%
DISTRICT 12% · STATE 16%
Asian
71%
DISTRICT 1% · STATE 6%
Two+
172%
DISTRICT 1% · STATE 5%
Native American
10%
DISTRICT 0% · STATE 0%
Pacific Islander
20%
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
34249%
Female
35651%

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
49.7%
IL avg 51.0% . +17.3pp since 2023
Math
41.1%
IL avg 37.9% . +16.7pp 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
39.8%
composite math + reading, all grades
Predicted
29.9%
based on IL schools with similar FRL share
Beats by
+9.9pp
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
698
-97 (-12%) vs 2017
Student : Teacher
13.5:1
was 16.0:1
% White
6%
was 6%
% Hispanic
77%
was 80%
% Black
14%
was 11%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About Prairie Oak School

Prairie Oak School operates as a big primary school in Berwyn, Illinois, part of Berwyn North SD 98. Current enrollment sits at 698 students spanning grades pre-K through 5. That puts it 83% bigger than the typical public school in Illinois, which averages around 381 students.

Across the 4 schools in Berwyn North SD 98 (2,434 students total), Prairie Oak School accounts for its share of the district's footprint.

On demographics, Prairie Oak School lists that 77% of the student body identifies as Hispanic. Other groups include 14% Black, 6% White, 2% multiracial. That is visibly more Hispanic than the county at large, where the share is closer to 27%.

In terms of school funding signals, Prairie Oak School lists 52 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.5:1. The state averages about 13.9:1, putting this campus right in line with peers. About 72% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

After controlling for student poverty, Prairie Oak School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 29.9%, the actual is 39.8%, a residual of +9.9 points.

Zooming out to the county, ACS estimates for Cook County put the typical household earns roughly $83,498 per year, 43% of adults hold a bachelor's degree or higher, and roughly 10% of residents live below the federal poverty line. Prairie Oak School is one of 1406 public schools in Cook County (combined enrollment of about 697,934 students).

Nearest neighbor: Jefferson Elem School, around 0.4 miles off. Counting just inside five miles, 8 other public schools cluster around Prairie Oak School. On composite proficiency, Prairie Oak School comes 5th of 8 in the immediate cluster, beneath the nearby-schools average of 44.4%.

The school occupies a bedroom-community site.

Five-year trend. Looking back 7 years, enrollment at Prairie Oak School has ticked down 12%, going from 795 students in 2018 to 698 in 2025. The student-to-teacher ratio tightened from 16.0:1 in 2018 to 13.5:1 today.

On the community side, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.

Cook County at a glance

View full county profile
Population
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students

Quick facts

School name
Prairie Oak School
District
Berwyn North SD 98
Address
1427 Oak Park Ave, Berwyn, IL 60402
Phone
(708) 795-2442
County
Cook County
Level
Elementary
Grade range
PK–05
Total enrollment
698
Teachers (FTE)
52
Student–teacher ratio
13.5:1
Free/Reduced lunch
503 (72%)
Locale
21-Suburb: Large
NCES ID
170606000285
Charter school
No
Virtual school
No

Related schools

Other schools in Berwyn North SD 98
Other schools in Berwyn
Nearby schools

Frequently asked questions

About Prairie Oak School
How large is Prairie Oak School?
Prairie Oak School enrolls approximately 698 students in grades PK-05.
What grades does Prairie Oak School serve?
Prairie Oak School serves grades PK-05.
What is the student-teacher ratio at Prairie Oak School?
The student-to-teacher ratio at Prairie Oak School is approximately 13.5:1 (52 FTE teachers).
How diverse is Prairie Oak School?
Prairie Oak School reports a student body of 6% White, 77% Hispanic, 14% Black, 1% Asian, 2% Two or more.
What district is Prairie Oak School in?
Prairie Oak School is part of Berwyn North SD 98.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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