Skip to Main Content
Archbishop O’Leary Catholic High School
Menu
close
About
Welcome Back/School Start Up Information
Welcome to O'Leary
Welcome from the Principal
O'Leary Highlight Videos
Open House
Registration Information
Register Today!
O'Leary Program Info Viewbook
School Information
Parent Information
School and Transportation Fees
School Assurance Dashboard
Catholic Faith
Calendar
Contact Us
Programs
Student Life
2026 Spartan Showdown (Feb. 5-7)
Archbishop O'Leary Spartan TV
Creating Communities of Belonging
Inclusive Communities & Student Conduct Policy
Final and Diploma Exam Schedule
O'Leary Grad 2026
Student and Parent Handbook
O'Leary Morning Update
O'Leary Swag Store
School Resource Officers
Prospective Students
Upgrading Options
About
Welcome Back/School Start Up Information
Welcome to O'Leary
Welcome from the Principal
O'Leary Highlight Videos
Open House
Registration Information
Register Today!
O'Leary Program Info Viewbook
School Information
Parent Information
School and Transportation Fees
School Assurance Dashboard
Catholic Faith
Calendar
Contact Us
Programs
Student Life
2026 Spartan Showdown (Feb. 5-7)
Archbishop O'Leary Spartan TV
Creating Communities of Belonging
Inclusive Communities & Student Conduct Policy
Final and Diploma Exam Schedule
O'Leary Grad 2026
Student and Parent Handbook
O'Leary Morning Update
O'Leary Swag Store
School Resource Officers
Prospective Students
Upgrading Options
search
account_circle
apps
PowerSchool
MyECSD
Outlook
OneDrive
Staff Resources
Password Reset
g_translate
Click or use space key to open language dropdown
pause_circle_filled
"Viam Veritatis Elegi" - We Will Seek the Truth
Register Now
O'Leary Bikeathon Information
Power School
Faith Alive
Transportation
Wishing You a Blessed Summer and Looking Ahead to Next Year
Office Closure, School Supply Lists and Fees
O'Leary Grad 2026
Advanced Placement Program
Upcoming Events
There are no upcoming events.
View Full Calendar
News
Diploma Exams
132 Avenue Construction Information
The Messenger: News from Your Board of Trustees
How to View Report Cards
View All News
Follow us on Instagram
