SBLive/Sports Illustrated national champion Mater Dei leads our Southwest regional high school football rankings, making the Monarchs one of six teams from California to make the final rankings — with two more earning honorable mention. SBLive’s Southwest regional high school football rankings include teams from California, Arizona, New Mexico, Nevada and Hawaii. These are the final rankings of the 2023 season. SOUTHWEST REGIONAL FOOTBALL RANKINGS 1, Mater Dei (Santa Ana, Calif.) (13-1; National No. 1) 2, Bishop Gorman (Las Vegas) (12-0; National No. 4) 3, St. John Bosco (Bellflower, Calif.) (11-2; National No. 12) 4, Liberty (Peoria, Ariz.) (12-1; National…