 Kaczor was the National Junior College Athletic Association Player of the Year in her 2005 freshman season after the team went 50-2 to win the NJCAA national championship under head coach Ben Stroud.Kaczor led the team with 605 kills on the season (4.96 kpg) with a .456 hitting percentage.Kaczor transferred to USC in 2006, and was a two time All-American and set several school single-season and career marks She set the top two single-season records for kills (659 in 2007 and 563 in 2006), top two marks for attempts (1,542 in 2007 and 1,272 in 2006), top two marks for total points (745.5 in 2007 and 642.5 in 2006) and top mark for points per game (5.83 in 2007).