Enrollment
246
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Posen, IL
Posen Elem School
Federal NCES profile for Posen Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173237003376
👥 S:T ratio 45
🌟 Gifted program 30
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Posen Elem School earns 45/100 on the Resource Investment Index, with class sizes near the Illinois median.
- 45
- Resource Index · Typical
- 13.7:1
- students per teacher
- 246
- students enrolled
Posen Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
School address
District: Posen-Robbins Esd 143-5 · Illinois
NCES ID 173237003376 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
13.7:1
vs 14:1 Illinois avg
-2% vs state
Student-teacher ratio in context
How Posen Elem School compares with Illinois and U.S. medians
What stands out at Posen Elem School
Posen Elem School is a mid-sized elementary school in Posen, Illinois, enrolling 246 students.
At 13.7:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 246 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (67%) and African American (30%) (diversity index 46/100).
16.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Posen-Robbins Esd 143-5 spends $22,561 per pupil, 32% above the Illinois average, a better-resourced district than most.
Among Posen's elementary schools, it stands alongside Gordon School (312 students): Posen Elem School is smaller than that campus by headcount and runs heavier classes (13.7:1 vs 12:1).
Posen-Robbins Esd 143-5 also operates Kellar School (431 students) and Gordon School (312 students) alongside Posen Elem School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Posen Elem School compares
Posen Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.7:1 | ▼ 2% | 14:1 | 15.7:1 |
| Enrollment | 246 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.7:1
Leaner classes than 60% of US schools, a middle-of-the-pack class size.
246
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.7:1
students per teacher
- 2% below state mean
Top 52% in Illinois - lower ratio than 48% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,561
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially 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 + 22 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 8.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 67.1%
African American 29.7%
Asian 2.0%
White 1.2%
Largest group: Hispanic or Latino at 67.1% of enrollment.
Student-body diversity index 46.1/100
Simpson diversity index - at 46.1, Posen Elem School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Posen-Robbins Esd 143-5, which includes Posen Elem School.
$22,561
Per student
+32%
vs Illinois
Avg $17,042
+36%
vs U.S.
Avg $16,593
Revenue mix
Local 15.2%
State 69.8%
Federal 14.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Posen Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kellar School | Larger | No free-lunch data | Higher S:T ratio |
| Gordon School | Larger | No free-lunch data | Lower S:T ratio |
| Childs Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Turner Elem School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Posen Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 431
- Students per teacher
- 16.6:1
- Resource Index
- 19/100
- Enrollment
- 312
- Students per teacher
- 12:1
- Resource Index
- 31/100
- Enrollment
- 149
- Students per teacher
- 16.6:1
- Resource Index
- 23/100
- Enrollment
- 148
- Students per teacher
- 18.5:1
- Resource Index
- 44/100
Similar elementary schools in Posen
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~246 students)
Next steps
Verify locally before acting on Posen Elem School's federal record.
- Compare Posen Elem School against another school. Compare schools
- Posen-Robbins Esd 143-5's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Posen Elem School
How many students attend Posen Elem School?
Posen Elem School has 246 students enrolled. It is an elementary school in Posen, IL.
What is the student-teacher ratio at Posen Elem School?
The student-teacher ratio at Posen Elem School is 13.7:1, which is 2% lower than the Illinois average of 14:1 and 13% 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 Posen Elem School?
The largest demographic group at Posen Elem School is Hispanic or Latino at 67.1% of enrollment, in Posen, IL.
What is the Resource Investment Index for Posen Elem School?
Posen Elem School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Posen Elem School a good school?
Posen Elem School earns 45/100 on the Resource Investment Index, with class sizes near the Illinois median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Posen-Robbins Esd 143-5?
Besides Posen Elem School, Posen-Robbins Esd 143-5 also operates Kellar School (431 students), Gordon School (312 students), and Childs Elem School (149 students). See the Posen-Robbins Esd 143-5 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.