- Enrollment
- 661
- Students per teacher
- 13.2:1
- Resource Index
- 61/100
Elementary school (grades K-5) · La Grange, IL
Cossitt Ave Elem School
Federal NCES profile for Cossitt Ave Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172160002421
👥 S:T ratio 57
🌟 Gifted program 70
📋 Attendance 80
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cossitt Ave Elem School earns 69/100 on the Resource Investment Index, with class sizes smaller than 85% of Illinois schools.
- #1 of 4
- elementary schools in La Grange · Resource Index
- 69
- Resource Index · Higher
- 10.7:1
- small classes for Illinois
- 472
- students enrolled
Cossitt Ave Elem School has class sizes smaller than 85% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Cossitt Ave Elem School ranks #1 of 4 elementary schools in La Grange, IL.
School address
District: La Grange Sd 102 · Illinois
NCES ID 172160002421 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-21 students YoY
Cossitt Ave Elem School held near 465 students from 2022-23 to 2023-24 (-21 headcount).
Teacher FTE lost 44.4 → 41.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-21 students YoY 172160002421 · La Grange, IL Elementary · SMALL · TRAD
472 enr · 10.7:1 · RII 69
Nearest enrollment peer: Park Junior High School (661 students)
Cossitt Ave Elem School held near 465 students from 2022-23 to 2023-24 (-21 headcount). Teacher FTE lost 44.4 → 41.9 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Cossitt Ave Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Park Junior Hi
Park Junior High School
661 students
- Ogden Ave Elem
Ogden Ave Elem School
563 students
- This school
Cossitt Ave Elem School
472 students
- Forest Road El
Forest Road Elem School
452 students
- Congress Park
Congress Park Elem School
419 students
- Barnsdale Road
Barnsdale Road School
308 students
What this shows Cossitt Ave Elem School reports 472 students on the CCD universe file.
How Cossitt Ave Elem School compares
Cossitt Ave Elem School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.7:1 | ▼ 24% | 14:1 | 15.7:1 |
| Enrollment | 472 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.7:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
472
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
10.7:1
students per teacher
- 24% below state mean
Top 15% in Illinois - lower ratio than 85% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
8.1%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$19,370
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
White 78.8%
Hispanic or Latino 10.0%
Two or More 7.6%
Asian 2.1%
African American 1.5%
Largest group: White at 78.8% of enrollment.
Student-body diversity index 36.3/100
Simpson diversity index - at 36.3, Cossitt Ave Elem School is less mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for La Grange Sd 102 reports $19,370 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Cossitt Ave Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Park Junior High School | Larger | No free-lunch data | Higher S:T ratio |
| Ogden Ave Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Forest Road Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Congress Park Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Barnsdale Road School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Cossitt Ave Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 563
- Students per teacher
- 14.1:1
- Resource Index
- 64/100
- Enrollment
- 452
- Students per teacher
- 11:1
- Resource Index
- 62/100
- Enrollment
- 419
- Students per teacher
- 12.3:1
- Resource Index
- 58/100
- Enrollment
- 308
- Students per teacher
- 13.4:1
- Resource Index
- 51/100
Similar elementary schools in La Grange
3 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~472 students)
Similar student-teacher ratio (~10.7:1)
Frequently asked questions about Cossitt Ave Elem School
How many students attend Cossitt Ave Elem School?
Cossitt Ave Elem School has 472 students enrolled. It is an elementary school in La Grange, IL. CCD year-over-year: 486 (2022-23) → 465 (2023-24), nearly flat (-21).
What is the student-teacher ratio at Cossitt Ave Elem School?
The student-teacher ratio at Cossitt Ave Elem School is 10.7:1, which is 24% lower than the Illinois average of 14:1 and 32% 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 Cossitt Ave Elem School?
The largest demographic group at Cossitt Ave Elem School is White at 78.8% of enrollment, in La Grange, IL.
What is the Resource Investment Index for Cossitt Ave Elem School?
Cossitt Ave Elem School has a Resource Investment Index of 69/100 (higher 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 Cossitt Ave Elem School rank among elementary schools in La Grange?
By Resource Investment Index, Cossitt Ave Elem School ranks #1 of 4 elementary schools in La Grange, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in La Grange on the city page.
What other schools are in La Grange Sd 102?
Besides Cossitt Ave Elem School, La Grange Sd 102 also operates Park Junior High School (661 students), Ogden Ave Elem School (563 students), and Forest Road Elem School (452 students). See the La Grange Sd 102 district page for the complete list.