 Eight of those schools are in Class 4A for boys' sports and Class 4A and 5A in girls, Iowa's largest enrollment classes.The smallest — Davenport Assumption — is in Class 3A (the second largest among Iowa's four enrollment classes) and has switched between Class 3A and 4A for girls' sports; however, Assumption does play with the Class 4A schools in boys' golf.Future member Central DeWitt competes in Class 3A for boys' sports and Class 4A for girls' sports, and will play Class 4A boys' golf.