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Guelph Board of Approved Basketball Officials

The Guelph Board of Approved Basketball Officials (GBABO) is a member in good standing of the Ontario Association of Basketball Officials (OABO), the Canadian Association of Basketball Officials (CABO), and the International Association of Approved Basketball Officials (IAABO, Board 212). 

As a board, we are committed to providing quality officials for the clients we serve in the Wellington/Dufferin regions as well as neighbouring regions that require our assistance.

We hope that you will use this website to learn more about basketball officiating in the Guelph area. If you are an official, we hope that the resources found here will be useful.

We are passionate about our role in the great game of basketball and look forward to sharing that passion! 

GBABO 2018 -19 Meeting Dates:

September 10, 17, 24;

October 1, 15, 29;

November 5, 19, 26;

December 3;

January 7;

February 4;

March 4;

April 8 (AGM).

All meetings are held at 7:00 pm at Our Lady of Lourdes Catholic High School, 54 Westmount Road, Guelph.

To access the Arbiter online assignment system, please visit: