The high school competition will run from 8 a.m. to 6 p.m. on Saturday, Feb. 26.  Twenty-two Iowa high school jazz bands will be performing and competing for ensemble and individual solo awards.  Participating high schools this year will include: Central Decatur, Des Moines Roosevelt, Eddyville-Blakesburg, Fort Madison, Highland (Riverside), Indianola, Iowa City Regina, Knoxville, Moravia, Moulton-Udell, Mount Pleasant, Oskaloosa, Ottumwa, Prairie City-Monroe, Van Meter, Waukee and Winfield-Mount Union.  Several high schools will have more than one competing jazz band.