Skip to main content
Helen M. Hefferan STEM School
Main Menu Toggle
Home
Our School
About Us
Staff
Contact
About
Faculty and Staff
Vision and Mission
Photo Album
Principal's Message
Video Gallery
Academics
Bell Schedule
Contact Our Teachers
Departments
Students
CPS Virtual Library
Clubs and Activities
Meal Menus
Student Code Of Conduct
School Year 24/25 Parent/Student Handbook
Student Links
Parents
ASPEN Parent Portal
Important Links
Common Core
Get Involved
ODLSS
Parent Newsletter
Staff
Impact
Staff Resources
Staff Directory
Contacts
Contact Us
Tech Support Ticket
Directions
Staff Directory
Bell Schedules
»
School Hours
School Hours
School Hours
Description / Period
Start Time
End Time
Length
School Hours
8:00 AM
3:00 PM
420 min
Earliest Drop Off
7:40 AM
—
—
