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C−

Costello School

PublicElementaryGrades PK–5

4632 Clyde Ave, Lyons, IL 60534 · (708) 783-4300 · Part of Lyons School District 103

Lyons Township’s School Grade A− better than 81% of Illinois school districts

Directions
Students
228
Students per teacher
9:1
Free or reduced lunch
74%
Setting
Suburb
Grades
PK–5
The gist

What stands out about Costello School

  • Its own letter, C−: better results than 19% of Illinois’s public schools
  • Math proficiency 18 pts below the state
  • Reading / language arts 19 pts below the state
  • Small classes: 9 students per teacher
  • Enrollment down 13.3% since 2020–21

Test scores

2020–21
Math proficiency8%
State average 25.9%
Reading / language arts12%
State average 30.7%

Its own letter, C−, places these results among Illinois’s 3,406 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

4632 Clyde Ave, Lyons

Students

Enrollment by grade
Pre-K24
Kindergarten31
Grade 132
Grade 235
Grade 329
Grade 439
Grade 538
Enrollment over time
263’20
260’21
257’22
221’23
228’24

Down 13.3% since 2020–21.

Who goes here
Hispanic 84%White 9%Black 3%Asian 2%Two or more races 2%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Costello School from Lyons Township families.

Other schools in Lyons School District 103

The district →
Lincoln Elem School
Elementary · Grades PK–5 · Brookfield
C−
366 students9:1
Edison Elem School
Elementary · Grades PK–5 · Stickney
B−
282 students10:1
Home Elem School
Elementary · Grades PK–5 · Stickney
C
256 students11:1
J W Robinson Jr Elem School
Elementary · Grades PK–5 · Lyons
D
251 students9:1
Washington Middle School
Middle · Grades 6–8 · Lyons
C−
659 students11:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Illinois’s other public schools; Lyons Township’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.