Iowa Girls High School Athletic Union

The Iowa Girls High School Athletic Union (IGHSAU) is the governing body for girls' junior and senior high school sports in the U.S. state of Iowa. The association promotes and regulates interscholastic sports among its member schools. Though its counterpart for boys sports in Iowa, the Iowa High School Athletic Association, is a full-time member of the National Federation of State High School Associations, the IGHSAU is only an affiliate member. It is headquartered at 5000 Westown Parkway, Suite 150,West Des Moines, Iowa 50266.

Sports currently overseen by the IGHSAU are basketball, bowling, cross country, golf, soccer, softball, swimming & diving, track and field, tennis, and volleyball.

Sports previously overseen by the IGHSAU were gymnastics, synchronized swimming, and indoor track and field.

For 2011-2012, the 48 largest schools are in 4A, the next 64 in 3A, the next 128 in 2A, and the rest (130) in 1A.
From 2012–present: 5 Classes: Top 40=5A, 2nd tier of 48=4A, 3rd tier of 64=3A, 4th tier of 96=2A, the rest=1A.

From 1920 until 1984, there was one tournament for teams with 6 players.

From 1985-1993, there was a tournament for 5-player teams and one for 6-player teams.

From 1994-2012, there were 4 classes, all with 5 players

From 2013–present, there are 5 classes, all with 5 players

From 2007–2014, 2 classes:

From 2015–present, 3 classes:

From 1998–2001, one class:

From 2002–2010, 2 classes:

From 2011–present, 3 classes:

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