Yeah that Gordon Haywood is quite a player for the Butler.

Here's the final four history by school. WSU and Seattle U played in a championship game, Oregon won a championship.

Total Final Four appearances
App. School
18 North Carolina, UCLA*
15 Duke
13 Kansas, Kentucky
10 Ohio State*
8 Indiana, Louisville, Michigan State
6 Arkansas, Cincinnati, Michigan, Oklahoma State
5 Georgetown, Houston, Illinois
4 Arizona, Florida, Kansas State, LSU, Oklahoma, Syracuse, UNLV, Utah, Villanova*
3 California, Connecticut, Iowa, Marquette, Memphis**, N.C. State, San Francisco, Texas
2 Baylor, Bradley, CCNY, Colorado, Dartmouth, DePaul, Georgia Tech, Holy Cross, La Salle, Maryland, NYU, Oregon State, Providence, Purdue, St. John's, Stanford, Temple, USC, Virginia, West Virginia, Wisconsin
1 Butler, Charlotte, Dayton, Drake, Duquesne, Florida State, George Mason, Georgia, Indiana State, Iowa State, Jacksonville, Loyola (IL), Massachusetts*, Minnesota*, Mississippi State, New Mexico State, Notre Dame, Oregon, Penn, Penn State, Pittsburgh, Princeton, Rutgers, Santa Clara, Seattle, Seton Hall, SMU, St. Bonaventure, St. Joseph's*, UTEP, Wake Forest, Washington, Washington State, Western Kentucky*, Wichita State, Wyoming

* - Indicates one vacated appearance. ** - Indicates two vacated appearances.