Enrollment
227
Elementary
DISTRICT 296 · STATE 381
SCHOOL COMMUNITY·DOLTON SD 149·NCES 171242001490
Diekman Elementary School
15121 Dorchester Ave, Dolton, IL 60419 · (708) 841-3838 · Cook County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL227 STUDENTS
Student : Teacher
18.9:1
12 FTE teachers
DISTRICT 19.7:1 · STATE 13.9:1
Free / Reduced Lunch
98%
222 students
DISTRICT 99% · 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 |
|---|---|---|
| Pre-K | 76 | 33% |
| Kindergarten | 11 | 5% |
| Grade 1 | 25 | 11% |
| Grade 2 | 18 | 8% |
| Grade 3 | 28 | 12% |
| Grade 4 | 34 | 15% |
| Grade 5 | 35 | 15% |
This year's kindergarten class (11) is 69% smaller than its 5th grade class (35).
Student demographics
15%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 13% · 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 Dolton SD 149. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
28.0%
IL avg 51.0% . +9.9pp since 2023
Math
18.3%
IL avg 37.9% . +11.4pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 28 of every 100 students at this school read and write at grade level and about 18 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 10 points since 2023, while math scores are up about 11 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 28.0% | 18.3% |
| 2023-24 | 18.1% | 6.9% |
% 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
20.4%
composite math + reading, all grades
Predicted
15.0%
based on IL schools with similar FRL share
Beats by
+5.3pp
above demographic expectation
What this means: About 20% of students here test proficient in math and reading, compared with the roughly 15% 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 Diekman Elementary School
Diekman Elementary School's state test result (20.4% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Diekman Elementary School this school | 227 | 97.8% | 20.4% |
| Chalmers STEAM Elementary Chicago | 205 | 98.5% | 18.1% |
| Chateaux School Hazel Crest | 249 | 96.4% | 17.9% |
| Johnson STEAM Elementary Chicago | 209 | 99.5% | 13.5% |
| Kellman Corporate Community Elementary School Chicago | 209 | 95.2% | 12.4% |
| Schmid Elementary School Chicago | 195 | 97.9% | 15.6% |
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 Diekman Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In Cook County |
|---|---|---|---|
| State test proficiency ranked highest first | 20.4% | #1,594 of 1,925 | #558 of 760 |
| Math proficiency ranked highest first | 18.3% | #1,651 of 2,077 ▲ 112 | #560 of 829 ▲ 72 |
| Reading proficiency ranked highest first | 28.0% | #1,713 of 2,077 ▼ 67 | #634 of 829 ▼ 19 |
| Enrollment ranked largest first | 227 | #1,936 of 2,419 | #784 of 901 |
| Students per teacher ranked fewest first | 18.9:1 | #1,959 of 2,035 | #791 of 817 |
| Diversity index ranked most diverse first | 14.8% | #1,761 of 2,042 | #665 of 819 |
| Free and reduced lunch ranked highest share first | 97.8% | #73 of 2,132 | #51 of 804 |
| Enrollment change since 2017-18 ranked steepest decline first | -40.6% | #52 of 1,461 | #34 of 661 |
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
227
-114 (-33%) vs 2020
-44% since 1990-91, when it was 402
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 | 227 | 12 | 18.9:1 | 98% (222) |
| 2023-24 | 301 | 13.3 | 22.6:1 | 100% (300) |
| 2022-23 | 318 | 18 | 17.7:1 | 97% (308) |
| 2020-21 | 341 | N/A | N/A | N/A |
| 2017-18 | 382 | 22 | 17.4:1 | 100% (381) |
| 2015-16 | 385 | 19 | 20.3:1 | 100% (385) |
| 2010-11 | 315 | 16 | 19.7:1 | 81% (256) |
| 2000-01 | 558 | 27 | 20.7:1 | N/A |
| 1990-91 | 402 | 20 | 20.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Diekman Elementary School.
Since 2017-18: students down 41% (382 to 227); teachers down 45% (22 to 12).
About Diekman Elementary School
Diekman Elementary School is a public elementary school in Dolton, Illinois. The school counts 227 students across pre-K through 5. The school's enrollment is 40% smaller than the 381 average for elementary schools in Illinois.
Dolton SD 149 has 2,192 students in 8 schools, and Diekman Elementary School is one of those schools.
About 92% of the student body at Diekman Elementary School is Black. The remaining students are 7% Hispanic. Among people living in Cook County, the Black share is about 22%. Diekman Elementary School's diversity index is 15%, against a US figure of 70%.
The school reported 12 full-time-equivalent teachers in 2024-25 and a ratio of 18.9:1. The school has more students per teacher than the 13.9:1 average for elementary schools in Illinois. Eligible students account for 98% of enrollment in the free or reduced-price lunch program. It compares with 66% for public schools in Cook County.
The BeatsExpectations prediction for Diekman Elementary School is 15.0%, and its average proficiency rate on state tests is 20.4%.
Across Cook County, the median household income is $83,498, about 43% of adults have at least a bachelor's degree, and roughly 10% of residents are in poverty. In all, Cook County has 1,406 public schools and roughly 697,934 students.
Of nearby public schools, Berger-Vandenberg Elementary School is the closest, at about 0.3 miles. In all, at least 8 other public schools sit within five miles of Diekman Elementary School. Of 9 schools in the immediate area with test results, Diekman Elementary School ranks 3rd on average proficiency.
Its NCES locale code is Suburb: Large: the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Federal data show a 33% enrollment decrease, from 341 in 2020-21 to 227 in 2024-25.
Questions about school safety, transportation, and start times can be posted here. Reviews and ratings from people who know the school are welcome.
Cook County at a glance
View full county profilePopulation
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
Related schools
Other schools in Dolton SD 149
- Caroline Sibley Elementary SchoolElementary · 434 students
- New Beginnings Learning AcademyElementary · 288 students
- Berger-Vandenberg Elementary SchoolElementary · 266 students
- Carol Moseley Braun SchoolElementary · 264 students
- Creative Communications AcademyMiddle · 246 students
- S T E M AcademyMiddle · 243 students
Other schools in Dolton
- Thornridge High SchoolHigh · 969 students
- Lincoln Elementary SchoolElementary · 342 students
- Berger-Vandenberg Elementary SchoolElementary · 266 students
- Franklin Elementary SchoolElementary · 259 students
- Roosevelt Elementary SchoolElementary · 248 students
- Early Childhood CntrElementary · 196 students
Nearby schools
- Berger-Vandenberg Elementary School0.3 mi · 266
- Thornridge High School0.8 mi · 969
- School of Fine Arts0.9 mi · 224
- S T E M Academy0.9 mi · 243
- Creative Communications Academy0.9 mi · 246
- New Beginnings Learning Academy0.9 mi · 288
Frequently asked questions
About Diekman Elementary SchoolHow large is Diekman Elementary School?
Diekman Elementary School enrolls approximately 227 students in grades PK-05.
Is Diekman Elementary School an elementary, middle, or high school?
Diekman Elementary School is an elementary school covering grades PK-05.
How many teachers does Diekman Elementary School have?
Diekman Elementary School employs 12 FTE teachers, for a student-to-teacher ratio of 18.9:1.
How diverse is Diekman Elementary School?
Diekman Elementary School reports a student body of 7% Hispanic, 92% Black, 1% Two or more.
Who oversees Diekman Elementary School?
Diekman Elementary School is overseen by Dolton SD 149 in Cook County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.