Upcoming Events
OGS Gala Event 6:30 PM - 10:30 PM Independence Grove
All Day Event
Purple Up Day
All Day Event
1st Grade Open House
6:00 PM - 7:00 PM
FitnessGram PE Testing
Start: Apr 20, 2026 End: Apr 23, 2026
Multi-Day Event
Contact Info
1700 O'Plaine Road
Green Oaks, IL 60048-1541
Phone: (847) 367-4120
Fax: (847) 367-7933
Dr. Bryan Zwemke, Superintendent
zwemke@ogschool.org
ext. 2000
Ryan Murray, Principal
murray@ogschool.org
ext. 2006
Karen Graham, Assistant Principal
graham@ogschool.org ext. 2705
Patricia Tazzioli, Dean of Students
tazzioli@ogschool.org
ext. 2004
FOIA Requests:
foia@ogschool.org
See the full staff directory
Our Mission
"Ignite a passion for learning in pursuit of excellence."
We Believe...
• Children come first
• Children thrive in a safe and engaging environment
• School and community collaborate to enhance learning
• Diversity in our community elevates learning
• Differentiated instruction maximizes potential
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