- Students
- 221
- Grades served
- PK–5
- Teachers (FTE)
- 25 8.8 students per teacher
- Free / reduced lunch
- 75% of enrolled students qualify — the standard school-level poverty measure
About this school
- Type
- Regular school
- Charter
- No
- Setting
- Suburb
- Address
- 4632 Clyde Ave, Lyons, IL 60534
- Phone
- (708)783-4300
Money is filed at the district level
Public school finances are reported by districts, not individual schools, so budgets, spending, and the transparency grade for Costello School live on the Lyons School District 103 page: per-pupil spending, ten-plus years of history, and every financial document the district publishes.
Lyons School District 103 finances →Directory facts are the NCES Common Core of Data, school year 2023–24, as filed by the district. Counts are aggregates; no student-level data is held or shown. Corrections are welcome through the records submission page.