Boys Basketball Championships
2000, 2008, 2009, 2016, 2017

Girls Basketball Championships
2000, 2003, 2004, 2005, 2008

Volleyball Championships
2006, 2008

Football (Overall Record)
2016 - (8-1)

Battle of I-90 (Elder Grove vs. County West)
August 27, 2016 - 34-24 Elder Grove
October 15, 2016 - 28-18 Elder Grove

Cross Country Championships
 

Other notable accomplishments:
2017 Volleyball - 2nd
2017 YBGR Mustang Volleyball Tournament - 1st
2017 Boys Basketball - 4th
2016 Girls Basketball - 2nd
2015 Volleyball - 3rd 
2014 Volleyball - 2nd 
2014 Girls Baksetball - 3rd 
2013 Boys Basketball - 3rd 
2012 Boys Basketball - 3rd 
2011 Girls Basketball - 2nd 
2010 Boys Basketball - 2nd
2010 Girls Baksetball - 3rd
2010 Volleyball - 3rd
2009 Volleyball - 3rd
2008 Volleyball - 2nd
2007 Girls Basketball - 3rd
2007 Volleyball - 3rd
2007 Boys Basketball - 2nd
2006 Girls Basketball - 3rd
2005 Volleyball - 2nd
2005 Boys Basketball - 3rd
2004 Boys Basketball - 2nd
2003 Boys Basketball - 2nd
2003 St. Francis Boys Basketball Invite - 3rd
2002 Broadview Boys Basketball Invite - 2nd
2002 Volleyball - 2nd
2001 Volleyball - 3rd
2001 Elysian Girls Basketball Tournament - 1st
2001 Billings Girls Basketball Parochial Invite - 1st
2000 Billings Boys Basketball Parochial Invite - 1st 
2000 Billings Girls Basketball Parochial Invite - 1st
2000 6th Grade Girls Basketball (17-0)
1999 Butte Hoops Invitational - 1st
1999 Boys Basketball - 2nd
1999 Volleyball - 3rd
1998 Girls Basketball - 3rd
1994 Billings Boys Basketball Parochial Invite - 3rd
1990 Trinity Lutheran Boys Basketball Tournament - 1st
1989 Billings Girls Basketball Parochial Invite - 3rd
1989 First Annual Elder Grove Outlaws Shootout - 2nd
1988 Pioneer Invitational Tournament - Girls Basketball - 1st
1988 Pioneer Invitational Tournament - Boys Baskebtall - 3rd