sentences:  His 1979 team went undefeated, 32–0.His teams also established the current Missouri state large-school record for winning streaks at 63 games.The Spartans won the 2005 Missouri Class 6 State Championship under head coach Patrick Mahoney and now have won the 2019 Missouri Class 6 State Championship under current head coach, former Dallas Cowboy and Minnesota Viking and Class of 2008 alumnus Robert Steeples Robert Steeples, De Smet Jesuit has established itself as a St. Louis and Missouri powerhouse.