ICHSA (International Championship of High School a Cappella) is the largest high school a cappella tournament in the world. Owned and operated by Varsity Vocals, the competition receives applications each fall. For groups accepted to the tournament, ICHSA shows are held in three rounds - Quarterfinals, Semifinals, and Finals. Roughly, Quarterfinals are held in January and February, Semifinals in March, and Finals in April in New York City. At Finals, the world's best high school a cappella groups compete for the title.