William J. Onahan Elementary Home
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Latest News

Welcome to Our New Website!
Thank you for visiting our new website! Please check back often as updates are made, and click on article headlines to view full stories where applicable.
Please click the Show All News button for more.
Please click the Show All News button for more.

Main Office Summer Hours
Tues. - Wed. - Thurs.
8 am - 12 pm
For an off hours appointment, please call us at 773-534-1180
(The office will be closed 7/28 thru 8/1)
8 am - 12 pm
For an off hours appointment, please call us at 773-534-1180
(The office will be closed 7/28 thru 8/1)

The School News mobile app is now available for Onahan.
Download the School News mobile app!