The OHF was given the mandate to oversee hockey in Ontario, and be a review panel for three years to propose further restructuring if necessary.

[4] In 2011, the Greater Toronto Hockey League and its affiliates consisted of 2,800 teams and around 40,000 players.

It is currently the largest youth ice hockey organization in the world in terms of members.

[3][5] The league has expanded its area of operation over the years from primarily the city of Toronto to many of its surrounding municipalities.

Stricter rules were placed on what constituted a hit to the head, and the severity of punishment for instances of it was increased.

Rep hockey in the GTHL begins at "minor Atom" (U9) age and continues through U21.

There is no body checking allowed at all age groups for "select" and rep "A" level in the GTHL and affiliates.