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Costello School

Costello School is a public primary school in Lyons, IL, serving grades PK–5, rated C+, with 228 students and an 8.5:1 student-teacher ratio.

In 2024-2025, the share of students meeting the state standard was 47% in English Language Arts, 29% in Math and 29% in Science.

C+TopHap school rating
Rating
C+
Grades
PK–5
Enrollment
228
Students per teacher
8.5:1
Level
Primary
Type
Public · Regular

2024-2025 testing year

State test results

Share of students meeting or exceeding the state standard.

English Language Arts47%
Math29%
Science29%

Academics and programs

Open enrollment
No

Student body

Hispanic84%
White9%
Black3%
Asian2%
Two or more races2%
Native American0%
Male / female
55% / 45%
Free or reduced lunch
74%
Enrollment change vs prior year
-18.9%
Prior-year enrollment
281

Homes assigned to this school

1,359 homes in TopHap's records are assigned to Costello School. These 40 are sampled evenly down the value ranking, so they span the whole zone rather than just its most expensive streets.

School details

Address
4632 Clyde Ave, Lyons, IL 60534
Phone
(708) 783-4300
Website
sd103.com/costello
Setting
Suburb - Large
Status
Operational
NCES ID
172385003902
Visit the school website

School district

Lyons School District 103

District rating
B-
Schools
6
Students
2,042
Spending per student
$20,958
Teachers (FTE)
208
Grades
PK–08
See every school in Lyons School District 103

Other schools in this district

Common questions

About Costello School

How is Costello School rated?

Costello School holds a C+ rating on TopHap's A-to-D scale, which blends state test results, academic progress and student outcomes. Lyons School District 103 is rated B- overall.

How do students at Costello School perform on state tests?

In the 2024-2025 testing year, the share of Costello School students meeting or exceeding the state standard was 47% in English Language Arts, 29% in Math and 29% in Science.

What grades does Costello School serve?

Costello School serves grades PK–5 as a primary school.

How many students attend Costello School?

228 students attend Costello School, down from 281 the prior year, with a student-teacher ratio of 8.5:1.

Which homes are assigned to Costello School?

TopHap matches 1,359 residential properties to Costello School in and around Lyons. Each one has its own page with a value estimate, sale history, taxes and the rest of its assigned schools.

Which school district is Costello School in?

Costello School is part of Lyons School District 103, which reports 6 schools, 2,042 students and $20,958 of spending per student.