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SCHOOL COMMUNITY·CHICAGO PUBLIC SCHOOLS DIST 299·NCES 170993006399

Sadlowski Elementary School

3930 E 105th St, Chicago, IL 60617 · (773) 535-8040 · Cook County
GRADES PK–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL655 STUDENTS
Enrollment
655
Elementary
DISTRICT 463 · STATE 381
Student : Teacher
13.1:1
50 FTE teachers
DISTRICT 14.6:1 · STATE 13.9:1
Free / Reduced Lunch
83%
545 students
DISTRICT 78% · STATE 56%
Community
5
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

GradeStudentsShare
Pre-K6911%
Kindergarten609%
Grade 16610%
Grade 26911%
Grade 37211%
Grade 46410%
Grade 5609%
Grade 66810%
Grade 7518%
Grade 87612%

This year's kindergarten class (60) is 21% smaller than its 8th grade class (76).

Student demographics
19%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 69% · US 70%
White
284%
DISTRICT 11% · STATE 45% · US 43%
Hispanic
58990%
DISTRICT 47% · STATE 29% · US 30%
Black
335%
DISTRICT 34% · STATE 16% · US 15%
Asian
10%
DISTRICT 5% · STATE 6% · US 6%
Two+
30%
DISTRICT 2% · STATE 5% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
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
Male
35855%
Female
29745%

School pathway

Students here typically continue to
Sadlowski Elementary School→Washington G High School
Based on published attendance-zone data from Chicago Public Schools Dist 299. Zones change; confirm enrollment with the district.

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
26.1%
IL avg 51.0% . +15.6pp since 2023
Math
18.7%
IL avg 37.9% . +13.0pp since 2023

What this means: On the IAR + ISA, Illinois's statewide test, about 26 of every 100 students at this school read and write at grade level and about 19 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 16 points since 2023, while math scores are up about 13 points.

IAR + ISA results by year

School yearEnglish Language ArtsMath
2024-2526.1%18.7%
2023-2410.5%5.7%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
22.9%
composite math + reading, all grades
Predicted
23.5%
based on IL schools with similar FRL share
Beats by
-0.6pp
below demographic expectation

What this means: About 23% of students here test proficient in math and reading, compared with the roughly 23% 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 Sadlowski Elementary School

Sadlowski Elementary School's state test result (22.9% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Sadlowski Elementary School this school65583.2%22.9%
Camras Elementary School
Chicago
70282.6%25.4%
Carson Elementary School
Chicago
72483.8%35.9%
Gunsaulus Elementary Scholastic Academy
Chicago
65886.0%35.4%
Garcia Lorca Elementary School
Chicago
63787.0%33.1%
Pasteur Elementary School
Chicago
62086.1%51.6%
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 Sadlowski Elementary School ranks

Among elementary schools
MeasureThis schoolIn IllinoisIn Cook County
State test proficiency
ranked highest first
22.9%#1,513 of 1,925#513 of 760
Math proficiency
ranked highest first
18.7%#1,638 of 2,077
▲ 190
#555 of 829
▲ 115
Reading proficiency
ranked highest first
26.1%#1,771 of 2,077
▲ 139
#674 of 829
▲ 86
Enrollment
ranked largest first
655#176 of 2,419#108 of 901
Students per teacher
ranked fewest first
13.1:1#923 of 2,035#426 of 817
Diversity index
ranked most diverse first
18.7%#1,667 of 2,042#625 of 819
Free and reduced lunch
ranked highest share first
83.2%#440 of 2,132#304 of 804
Enrollment change since 2017-18
ranked fastest growth first
+26.7%#80 of 615#19 of 186
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 2024-25
Enrollment
655
+49 (+8%) vs 2020
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-256555013.1:183% (545)
2023-246594813.7:184% (554)
2022-2362545.513.7:184% (527)
2020-21606N/AN/AN/A
2017-18517N/AN/A92% (478)
Source: NCES Common Core of Data. Rows are the federal collections on file for Sadlowski Elementary School.

About Sadlowski Elementary School

In Chicago, Illinois, Sadlowski Elementary School is a large elementary school. The school has 655 students in 2024-25 across pre-K through 8. Elementary schools in Illinois average about 381 students, which makes this school 72% larger than average.

Sadlowski Elementary School is part of a district of 622 schools: Chicago Public Schools Dist 299, with 324,396 students.

Of every 100 students at Sadlowski Elementary School, about 90 are Hispanic. Other students are 5% Black and 4% White. That is higher than the 27% Hispanic share among all Cook County residents. A diversity index of 19% means there is a 19% chance two randomly chosen students at Sadlowski Elementary School are from different groups.

Sadlowski Elementary School has 50 full-time-equivalent teachers, for a student-to-teacher ratio of about 13.1:1. Elementary schools in Illinois average 13.9:1, 0.8 more students per teacher than here. A common income measure, free or reduced-price lunch eligibility, is 83% at Sadlowski Elementary School. That is higher than the 66% average for public schools in Cook County.

BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. For Sadlowski Elementary School, the prediction is 23.5% and the result is 22.9%.

Census data for Cook County show median household income comes to about $83,498, about 43% of adults have at least a bachelor's degree, and the poverty rate is about 10%. The county has 1,406 public schools and about 697,934 students.

The closest school to Sadlowski Elementary School is Gallistel Elementary Language Academy, located about 0.4 miles away. There are at least 8 more public schools inside five miles. Sadlowski Elementary School ranks 6th of 9 among nearby schools on average proficiency, with 22.9% against a local average of 27.1%.

Sadlowski Elementary School has an NCES locale of City: Large.

From 606 students in 2020-21, enrollment rose to 655 by 2024-25.

The allk12 page for Sadlowski Elementary School lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.

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
Sadlowski Elementary School
District
Chicago Public Schools Dist 299
Address
3930 E 105th St, Chicago, IL 60617
Phone
(773) 535-8040
County
Cook County
Level
Elementary
Grade range
PK–08
Total enrollment
655
Teachers (FTE)
50
Student–teacher ratio
13.1:1
Free and reduced lunch
545 (83%)
Locale
11-City: Large
NCES ID
170993006399
Charter school
No
Virtual school
No

Related schools

Other schools in Chicago Public Schools Dist 299
Other schools in Chicago
Nearby schools

Frequently asked questions

About Sadlowski Elementary School
How many students attend Sadlowski Elementary School?
Sadlowski Elementary School enrolls approximately 655 students in grades PK-08.
What grades does Sadlowski Elementary School serve?
Sadlowski Elementary School serves grades PK-08.
How many teachers does Sadlowski Elementary School have?
Sadlowski Elementary School employs 50 FTE teachers, for a student-to-teacher ratio of 13.1:1.
How diverse is Sadlowski Elementary School?
Sadlowski Elementary School reports a student body of 4% White, 90% Hispanic, 5% Black, 0% Asian, 0% Two or more.
Is Sadlowski Elementary School public or private?
Sadlowski Elementary School is a public K-12 school, overseen by Chicago Public Schools Dist 299.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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