Excellent
#46 of 3,813 schools in IL
Top 1% in state
Cossitt Ave Elem School
Elementary School · La Grange SD 102
115 W Cossitt Ave, La Grange, IL 60525
Enrollment
465
Student-Teacher
11.3:1
Score
9.3
Grades
Kindergarten – 6th
Enrollment
465
Student-Teacher
11.3:1
Score
9.3
Grades
Kindergarten – 6th
Updated
2022-23
Updated 2022-23
How this school compares
In La Grange
#2 of 7
public schools
Illinois elementary schools
#40 of 2,326
In district
#1 of 6
La Grange SD 102
Academic performance
9.8 / 10
Exceptional
About Cossitt Ave Elem School
Cossitt Avenue Elementary is a public school serving 465 students across kindergarten through sixth grade in La Grange, Illinois. It earns a composite score of 9.3 out of 10 — classified as Exceptional — with an academic score of 9.8 and a growth score of 9.5. Both numbers are among the strongest recorded for any school in Illinois.
The comparative data shows just how rare that performance is. Cossitt ranks #46 of 3,813 public schools in Illinois, placing it ahead of 99% of schools statewide. Among the 2,326 elementary schools in the state, it holds the 40th spot — a rank that remains dominant even when measuring against its direct peer group.
In La Grange, the school finishes second among seven public schools. With a student-teacher ratio of 11.3:1, Cossitt keeps classroom sizes lean, giving students more individual teacher contact than most public elementary schools provide. The school operates as a regular public school with no selective admissions criteria, meaning its Exceptional rating reflects what the school produces for the students it serves — not an advantage created by choosing whom to enroll.
Score Breakdown
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Cossitt Ave Elem School — Students at Cossitt Ave Elem School score 66% proficient, which is above what's typical for similar communities (expected: 47%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
3.4%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 5 test records from IL state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.
How Cossitt Ave Elem School Compares
See how Cossitt Ave Elem School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 63% (2019) to 69% (2021). Reading/ELA proficiency has declined from 69% (2019) to 64% (2022).
Location
115 W Cossitt Ave, La Grange, IL 60525
Nearby Alternatives
Families considering Cossitt Ave Elem School may also want to explore other elementary schools in the area. Field Park Elem School (rated 9.2/10, 1.2 miles away, in nearby Western Springs), with a very similar rating. Another option is Congress Park Elem School (rated 8.9/10, 0.9 miles away, in nearby Brookfield), with a comparable rating. Additionally, Ogden Ave Elem School (rated 8.6/10, 0.5 miles away), with a comparable rating. For more schools in La Grange, see our La Grange schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| KENSINGTON SCHOOL OF LAGRANGE La Grange | 0.4 mi | — |
| ST FRANCIS XAVIER SCHOOL La Grange | 0.4 mi | 5.4 |
| Ogden Ave Elem School La Grange | 0.5 mi | 8.6 |
| Lyons Twp High Sch La Grange | 0.5 mi | 7.6 |
| Park Junior High School La Grange Park | 0.7 mi | 7.1 |
| Seventh Ave Elem School La Grange | 0.9 mi | 7.3 |
| CREATIVE WORLD MONTESSORI SCHOOL La Grange | 0.8 mi | — |
| NAZARETH ACADEMY La Grange Park | 0.9 mi | 5.5 |
| Congress Park Elem School Brookfield | 0.9 mi | 8.9 |
| Spring Ave Elem School La Grange | 1.2 mi | 5.5 |
| Wm F Gurrie Middle School La Grange | 1.2 mi | 6.8 |
| Forest Road Elem School La Grange Park | 1.3 mi | 7.7 |
| Barnsdale Road School La Grange Park | 1.3 mi | 7.4 |
| ST CLETUS SCHOOL La Grange | 1.5 mi | 6.2 |
| Field Park Elem School Western Springs | 1.2 mi | 9.2 |
| S E Gross Middle School Brookfield | 1.4 mi | 5.3 |
| MONTESSORI CHILDRENS COMMUNITY Brookfield | 1.5 mi | — |
| ST PAUL LUTHERAN SCHOOL Brookfield | 1.4 mi | — |
| McClure Jr High School Western Springs | 1.4 mi | 7.5 |
| Ideal Elem School Countryside | 2.0 mi | 8.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60525 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$113,718
Median Home Value
$422,500
Median Rent
$1,475/mo
Population
31,453
College Educated
52.9%
Homeownership
79.6%
Avg Commute
28 min
Poverty Rate
5.8%
Median Age
43.3
Community Profile
The community surrounding Cossitt Ave Elem School has a median household income of $113,718. It is a well-educated community where 53% of adults hold a bachelor's degree or higher. The median home value in the area is $422,500, with a median rent of $1,475/month. The local poverty rate of 5.8% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Belding Elem School Chicago, IL | 9.3 |
| Elm Elem School Burr Ridge, IL | 9.3 |
| Ferson Creek School Saint Charles, IL | 9.3 |
| Highlands Elem School La Grange Highlands, IL | 9.3 |
| LATIN SCHOOL OF CHICAGO UPPER Chicago, IL | 9.4 |
| Pleasantdale Elementary School La Grange, IL | 9.4 |
Compare Cossitt Ave Elem School with similar schools nearby
Side-by-side ratings, test scores, and demographics for the schools parents most often weigh against this one.
Frequently Asked Questions
Common questions about Cossitt Ave Elem School
What grades does Cossitt Ave Elem School serve?
Cossitt Ave Elem School serves students in grades Kindergarten through 6th.
How many students attend Cossitt Ave Elem School?
Cossitt Ave Elem School has an enrollment of approximately 465 students.
What is the student-teacher ratio at Cossitt Ave Elem School?
The student-teacher ratio at Cossitt Ave Elem School is 11.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Cossitt Ave Elem School rank in IL?
Cossitt Ave Elem School is ranked #46 out of 3,813 schools in IL.
What is Cossitt Ave Elem School's MySchoolScout rating?
Cossitt Ave Elem School has a composite rating of 9.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Cossitt Ave Elem School?
Based on the most recent state assessment data, Cossitt Ave Elem School has 66.0% math proficiency and 64.7% reading/ELA proficiency.
Is Cossitt Ave Elem School a charter school?
No, Cossitt Ave Elem School is not a charter school. It is a traditional public school operated by the local school district.
Is Cossitt Ave Elem School a Title I school?
No, Cossitt Ave Elem School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Cossitt Ave Elem School?
3.4% of students at Cossitt Ave Elem School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (La Grange). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 6th
- Enrollment
- 465
- Student-Teacher Ratio
- 11.3:1
- Teachers (FTE)
- 41
- Free/Reduced Lunch
- 3.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Cook County
- Phone
- (708) 215-6200
- Data Year
- 2023–2024
Resources & Links
District
La Grange SD 102- District Enrollment
- 2,924
- Schools in District
- 6
- Per-Pupil Spending
- $19,370
- District Rank
- #1 of 6
Other Schools in This District
Compare This School
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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