The official SPRED archdiocesan website is spred-chicago.org
There you will find more detailed information on the history, method, training and resources available to anyone interesting in starting or joining a parish spred program

Googling chicago archdiocese SPRED program will provide the above website and other websites with  films of specially designed SPRED masses. There will also be websites describing the range of programs the
archdiocese has for the disabled community.