Coach K, of Duke. I believe...
Urban Myer became the first coach to win 2 BCS National Championships. The Florida Gators head coach won the championship in 2006 & 2009.
princeton
Coach McDonnell to retire after earning 42 national titles
Arkansas only has one national championship and that was in 1964 under coach Frank Broyles
Urban Meyer (2006 & 2008)
None
Larry Kehres, of Mount Union College, Division III, with 9 national championships.
Charlie Weis, tied with many others: zero.
Les Miles-2007 Nick Saban-2003 Paul Dietzel-1958
Nick Saban of Alabama.
There is generally no schooling requirements to be a bowling coach. If you are looking to be a coach for a public school, they may have requirements to be on staff.