Average
#2921 of 3,813 schools in IL
Costello School
Elementary School · Lyons SD 103
4632 Clyde Ave, Lyons, IL 60534
Enrollment
221
Student-Teacher
8.8:1
Score
5.0
Grades
Pre-K – 5th
Enrollment
221
Student-Teacher
8.8:1
Score
5.0
Grades
Pre-K – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Illinois schools
#2,921 of 3,813
In Lyons
#2 of 3
public schools
In district
#4 of 6
Lyons SD 103
Academic performance
7.0 / 10
Very Good
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Costello School
Elementary School in Lyons · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.
Washington Middle School
0.8 mi away. Use as a geographic alternative in the same move search.
J W Robinson JR Elem School
0.8 mi away. Use as a geographic alternative in the same move search.
About Costello School
Costello School is a public elementary school in Lyons, IL, part of Lyons SD 103. Costello School serves approximately 221 students, and covers grades Pre-K-5th, and has a 8.8:1 student-teacher ratio. Costello School has a current MySchoolScout rating of 5.0 out of 10 and ranks #2,921 of 3,813 schools in IL.
Structured state assessment records for Costello School show 41% math proficiency (multi-year average, 2009-2021) and 41% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 5.0 · Average
- District avg 5.2
- IL avg 6.2
What Parents Should Know
At 8.8:1 students to teachers, Costello School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
50% of students at Costello School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Costello School — Students at Costello School score 20% proficient, which is above what's typical for similar communities (expected: 15%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
75.1%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 27 test records from IL state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 3.5/10.
How Costello School Compares
See how Costello School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
4632 Clyde Ave, Lyons, IL 60534
Nearby Alternatives
Families considering Costello School may also want to explore other elementary schools in the area. Central Elem School (rated 9.0/10, 1.6 miles away, in nearby Riverside), which scores notably higher. Another option is Blythe Park Elem School (rated 9.0/10, 2.3 miles away, in nearby Riverside), which scores notably higher. Additionally, Hollywood Elem School (rated 8.8/10, 1.5 miles away, in nearby Brookfield), which scores notably higher. For more schools in Lyons, see our Lyons schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| Washington Middle School Lyons | 0.8 mi | 4.2 |
| J W Robinson Jr Elem School Lyons | 0.8 mi | 5.6 |
| Lincoln Elem School Brookfield | 0.8 mi | 4.0 |
| Riverside Brookfield Twp HS Riverside | 1.5 mi | 8.1 |
| Hollywood Elem School Brookfield | 1.5 mi | 8.8 |
| Central Elem School Riverside | 1.6 mi | 9.0 |
| TALLGRASS SUDBURY SCHOOL Riverside | 1.7 mi | 6.5 |
| L J Hauser Jr High School Riverside | 1.7 mi | 8.7 |
| ST MARY ELEMENTARY SCHOOL Riverside | 1.7 mi | 7.0 |
| ST PAUL LUTHERAN SCHOOL Brookfield | 1.6 mi | — |
| Walsh Elem School Summit | 1.6 mi | 4.5 |
| Congress Park Elem School Brookfield | 1.4 mi | 7.6 |
| S E Gross Middle School Brookfield | 1.8 mi | 7.0 |
| Home Elem School Stickney | 1.6 mi | 5.6 |
| MONTESSORI CHILDRENS COMMUNITY Brookfield | 1.9 mi | — |
| PECKWAS PREPARATORY ACADEMY Summit | 1.9 mi | 6.7 |
| Heritage Middle School Summit | 2.1 mi | 5.3 |
| Otis P Graves Elem School Summit | 2.1 mi | 5.3 |
| A F Ames Elem School Riverside | 2.4 mi | 8.6 |
| Blythe Park Elem School Riverside | 2.3 mi | 9.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60534 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$63,827
Median Home Value
$243,500
Median Rent
$1,149/mo
Population
10,362
College Educated
16.4%
Homeownership
65%
Avg Commute
28.2 min
Poverty Rate
9.2%
Median Age
42
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Barnard Elem Comp Math & Sci Ctr Chicago, IL | 5.0 |
| Brownstown Elem School Brownstown, IL | 5.0 |
| Bureau Valley North Walnut, IL | 5.0 |
| Edward J Tobin Elem School Burbank, IL | 5.0 |
| GOOD SHEPHERD LUTHERAN SCHOOL Collinsville, IL | 5.0 |
| George Washington Elementary Sch Alsip, IL | 5.0 |
Frequently Asked Questions
Common questions about Costello School
What grades does Costello School serve?
Costello School serves students in grades Pre-K through 5th.
How many students attend Costello School?
Costello School has an enrollment of approximately 221 students.
What is the student-teacher ratio at Costello School?
The student-teacher ratio at Costello School is 8.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Costello School rank in IL?
Costello School ranks #2,921 of 3,813 schools in IL.
What is Costello School's MySchoolScout rating?
Costello School has a current MySchoolScout rating of 5.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Costello School?
Based on loaded state assessment records, Costello School has 41% math proficiency (multi-year average, 2009-2021) and 41% reading/ELA proficiency (multi-year average, 2009-2022).
Is Costello School a charter school?
No, Costello School is not a charter school. It is a traditional public school operated by the local school district.
Is Costello School a Title I school?
No, Costello School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Costello School?
75.1% of students at Costello 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 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 221
- Student-Teacher Ratio
- 8.8:1
- Teachers (FTE)
- 25
- Free/Reduced Lunch
- 75.1%
- Type
- regular
- Setting
- Large Suburb
- County
- Cook County
- Chronic Absenteeism (SY 2022-23)
- 49.8%
- Phone
- (708) 783-4300
Resources & Links
District
Lyons SD 103- District Enrollment
- 2,086
- Schools in District
- 6
- Per-Pupil Spending
- $19,997
- District Rank
- #4 of 6
Other Schools in This District
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