High Quality Content by WIKIPEDIA articles! The 1975 NCAA Men`s Division I Basketball Tournament involved 32 schools playing in single-elimination play to determine the national champion of men`s NCAA Division I college basketball. It began on March 15, 1975, and ended with the championship game on March 31 in San Diego, California. A total of 36 games were played, including a third place game in each region and a national third place game.