There WERE 65 teams in the NCAA tournament March, 2011 there are 68 teams.
There are 68 teams in the 2011 NCAA Tournament There were four extra teams to see who would get the 12 seeds in each section.
In 2012, there are (or were) four teams in the NCAA tournament: Duke, Florida State, North Carolina and North Carolina State. That is 4/68 or 5.9% of the tournament. Actually, in 2011, the seven teams that were in the NCAA tournament were: Virginia, North Carolina, Duke, Georgia Tech, Maryland, Boston College and Virginia Tech. That constituted 7/65 of the entire NCAA tournament or 10.8%
The record is 11 teams. The Big East conference sent 11 teams to the NCAA Tournament in 2011.
North Carolina has Three Teams in the NCAA Tournament Duke, North Carolina, UNC-Ashville
There is like 83
2011 2 teams Princeton St. Peter's College
64 teams in the NCAA tournament in 2000