Great American Cleanup in Oklahoma T-Shirt Contest

Keep Oklahoma Beautiful wants to encourage young people to get involved with the Great American Cleanup™! To help take action in the fight against litter and illegal dumping in Oklahoma, we are challenging K-12 students to design the shirts to be worn by GACinOK volunteers across the state March 1st–May 31st! The winning design will be featured on shirts given to more than 10,000 volunteers and in GAC 2026 promotional materials. Finalists will be invited to the Student Environmental Champions Awards in March 2026. 

GAC T-Shirt Design Contest Timeline

Submission & Registration

August 18–October 31, 2025 

Finalists Announced

Late November 

Public Voting

Early December  

Winner Announced

January 2026 

Winner Honored

March 2026 at the 
Student Environmental Champions Awards 

2024-2025 Winner of the GACinOK T-Shirt Design Contest

This year's winner of the GACinOK T-Shirt Design Contest is Johannah Creason of Bridgecreek High School in Blanchard, Oklahoma! 

What is GACinOK?

GACinOK is the Great American Cleanup in Oklahoma! The Great American Cleanup takes places all across the U.S. during March 1st - May 31st each year. To learn more about how you can get involved, use the link below.

If you have any further questions regarding the GAC T-Shirt Design Contest, please call (405) 286-9141 or email education@keepok.org