The Crusaders, who finished No. 15 in the final Max Preps rankings in 2017, have won 15 consecutive games and 20 of the last 21 overall since losing to Kahuku in the 2015 state final.
Saint Louis lost six first-team All-State players from last season, including offensive player of the year Chevan Cordeiro, but returns two first-teamers in offensive lineman Arasi Mose and defensive tackle Faatui Tuitele.
The Crusaders will open their season Aug. 10 at Aloha Stadium against Waianae. The following week, they will host Narbonne (Calif.), ranked No. 24 by Max Preps, at Aloha Stadium in a rematch of Saint Louis’ 56-50 win a year ago.
St. John Bosco (Calif.) was ranked No. 1 in the MaxPreps poll. The Braves will host Mililani in California on Aug. 31.
Last year’s national champion, Mater Dei (Calif.), is No. 2, followed by IMG Academy (Fla.).
More than half of the top 25 are teams from California, Texas, Georgia and Florida.
Former Kahuku quarterback Sol-Jay Maiava transfered to St. John’s in Washington D.C., which is ranked No. 6.
Bishop Gorman (Nev.) is No. 11.