North Muskegon returns six starters from last year's squad, which won the Division 4 state title with a 5-0 victory in the championship game
Troy McManus scored 15 to lead the Norse, who advance to the regional round next week.
The Norse will play either Holton or Hart in Friday's district championship game
McManus scored 24 points on Monday, including 12 in a huge fourth quarter, to lead the Norse to a comeback victory in the first round of districts
The Norse will not play Shelby on Wednesday in the Division 3 district semifinals
Shelby, Mason County Central, Fremont and WMC win contests on Wednesday night.
The Eagles are now 7-11 overall and 6-7 in conference action.
The Lakers improved to 11-6 on the season and 7-4 in O-K Blue Conference play.