May 2025

Costello

May 7 Wed
- School Improvement Day (SIP)
  - Costello
May 26 Mon
- No School: Memorial Day
  - Costello
May 30 Fri
- Last Day of School
  - Costello

http://cos.sd103.com

Costello Elementary School
4632 South Clyde Ave., Lyons, IL 60534
Phone: (708) 783-4300 | Fax: (708) 783-4605