- Enrollment
- 434
- Students per teacher
- 22.8:1
- Resource Index
- 13/100
Other / mixed grade configuration · Dolton, IL
Diekman Elem School
Federal NCES profile for Diekman Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataOther / mixed grade configurationNCES 171242001490
👥 S:T ratio 50
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Diekman Elem School earns 27/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #5 of 9
- public schools in Dolton · Resource Index
- 27
- Resource Index · Lower
- 12.6:1
- students per teacher
- 227
- students enrolled
Diekman Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Diekman Elem School ranks #5 of 9 public schools in Dolton, IL.
School address
District: Dolton Sd 149 · Illinois
NCES ID 171242001490 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-17 students YoY
Diekman Elem School shrank from 318 students in 2022-23 to 301 in 2023-24 (-5.3%).
Teacher FTE lost 18.0 → 13.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-17 students YoY 171242001490 · Dolton, IL Other · SMALL · TRAD
227 enr · 12.6:1 · RII 27
Nearest enrollment peer: Caroline Sibley Elem School (434 students)
Diekman Elem School shrank from 318 students in 2022-23 to 301 in 2023-24 (-5.3%). Teacher FTE lost 18.0 → 13.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Diekman Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Caroline Sible
Caroline Sibley Elem School
434 students
- New Beginnings
New Beginnings Learning Academy
288 students
- Berger-Vandenb
Berger-Vandenberg Elem School
266 students
- Carol Moseley
Carol Moseley Braun School
264 students
- Creative Commu
Creative Communications Acad
246 students
- This school
Diekman Elem School
227 students
What this shows Diekman Elem School reports 227 students on the CCD universe file.
How Diekman Elem School compares
Diekman Elem School is a shrinking campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.6:1 | ▼ 10% | 14:1 | 15.7:1 |
| Enrollment | 227 | top 78% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.6:1
Leaner classes than 70% of US schools, among the more generously staffed nationally.
227
Bigger than 23% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
12.6:1
students per teacher
- 10% below state mean
Top 37% in Illinois - lower ratio than 63% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
41.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$20,881
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 92.1%
Hispanic or Latino 6.6%
Two or More 0.9%
American Indian / Alaska Native 0.4%
Largest group: African American at 92.1% of enrollment.
Student-body diversity index 14.7/100
Simpson diversity index - at 14.7, Diekman Elem School is less mixed than the Illinois school average of 38.9.
Programs
District finance for Dolton Sd 149 reports $20,881 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Diekman Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Caroline Sibley Elem School | Larger | No free-lunch data | Higher S:T ratio |
| New Beginnings Learning Academy | Larger | No free-lunch data | Higher S:T ratio |
| Berger-Vandenberg Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Carol Moseley Braun School | Similar size | No free-lunch data | Higher S:T ratio |
| Creative Communications Acad | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Diekman Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 288
- Students per teacher
- 16:1
- Resource Index
- 22/100
- Enrollment
- 266
- Students per teacher
- 15.6:1
- Resource Index
- 23/100
- Enrollment
- 264
- Students per teacher
- 17.6:1
- Resource Index
- 31/100
- Enrollment
- 246
- Students per teacher
- 30.8:1
- Resource Index
- 44/100
Similar other schools in Dolton
1 comparable other schools (grades Mixed) serving the same city.
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~227 students)
Frequently asked questions about Diekman Elem School
How many students attend Diekman Elem School?
Diekman Elem School has 227 students enrolled. It is a public school in Dolton, IL. CCD year-over-year: 318 (2022-23) → 301 (2023-24), down 17.
What is the student-teacher ratio at Diekman Elem School?
The student-teacher ratio at Diekman Elem School is 12.6:1, which is 10% lower than the Illinois average of 14:1 and 20% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Diekman Elem School?
The largest demographic group at Diekman Elem School is African American at 92.1% of enrollment, in Dolton, IL.
What is the Resource Investment Index for Diekman Elem School?
Diekman Elem School has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Diekman Elem School rank among public schools in Dolton?
By Resource Investment Index, Diekman Elem School ranks #5 of 9 public schools in Dolton, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Dolton on the city page.
What other schools are in Dolton Sd 149?
Besides Diekman Elem School, Dolton Sd 149 also operates Caroline Sibley Elem School (434 students), New Beginnings Learning Academy (288 students), and Berger-Vandenberg Elem School (266 students). See the Dolton Sd 149 district page for the complete list.