The fourth week of the prep football season is full of conference matchups.
In a rematch of the Class 4 District 1 championship from last year, North County (3-0) travels from Bonne Terre to Hillsboro (3-0) in a Mississippi Area Football Conference Red Division battle of unbeaten teams.
In another MAFC Red matchup, Festus (1-2) looks to rise to .500 after losses to Valle Catholic and Ste. Genevieve in the first two weeks. The Tigers host De Soto (1-2), which has been outscored 80-0 by Sullivan and the Raiders the past two weeks.
I-55 Conference defending champion St. Pius X (2-1) travels to Jefferson (1-2) for a conference game. The Lancers beat the Blue Jays last year 24-20 on a last-second touchdown.
Seckman (2-1) has outscored its last two opponents 133-12 and is at winless Mehlville (0-3) in a Suburban Conference Orange pool game.
*Conference game
Sept. 16
*Eureka at Marquette, 7 p.m.
Crystal City at Confluence, 7 p.m.
*De Soto at Festus, 7 p.m.
*North County at Hillsboro 7 p.m.
*Seckman at Mehlville, 7 p.m.
*Herculaneum at St. Vincent, 7 p.m.
Grandview at St. Dominic, 7 p.m.
*St. Pius X at Jefferson, 7 p.m.
*Ritenour at Fox, 7 p.m.
Northwest at Lafayette, 7 p.m.
Sept. 17
Windsor at Bishop DuBourg, 2 p.m.