There is no winning streak in the tournament as Ky the 2012 champion did not make the tournament this year.
The current longest winning streak in boys high school basketball, is True Divine Word Academy of St. Louis, MO. They are a small christian academy.
UCLA has the longest overall winning streak. However the Butler Bulldogs have the longest CURRENT winning streak in men's division 1 college basketball. As of 3/26/2010 Butler has 23 consecutive wins.
Kansas (64 home wins as of 12.02.10)
Akron Zips 10
Houston Rockets 22 winning streak
UCLA's 88 game win streak is the longest in mens basketball
womens college basketball. uconn