The Illinois Association of School Boards is a voluntary organization of local boards of education dedicated to strengthening the public schools through local citizen control. Although not a part of state government, IASB is organized by member school boards as a private not-for-profit corporation under authority granted by Article 23 of The Illinois School Code. 

The Association was launched in December 1913, by a group of school board members at a meeting in Quincy, Illinois. Today, more than 99 percent of school boards in Illinois hold active membership and support the Association through annual dues.