The Big North Conference is a high school conference based in northern Michigan, and is affiliated with the MHSAA. Created in 1997 after the split of Traverse City High School into Central and West High School. It combined the eight largest schools in Northern Michigan. In 2004, due to decreasing enrollment Cheboygan and Sault Area left the conference. They were replaced in 2011 with West Branch Ogemaw Heights, but they left the conference after the 2015-16 school year due to decreasing enrollment as well.
From 1997 to 1999 the Big North had a A division and a B division
Since 2000, the conference has operated with one division.