C.A.S.E. is a special education joint agreement among seven DuPage County school districts, including Glen Ellyn Public Schools District #41. C.A.S.E. provides special education programs and related services to 39 schools in a 45-square-mile area, and works with special-needs students from 3 to 21 years in age. C.A.S.E. serves students with a range of disabilities, including those that are visually, mentally, physically or hearing impaired. The office is located on the corner of South Park Boulevard and Butterfield Road.