Final answer:
After parental consent is granted, a comprehensive case study evaluation by a multidisciplinary team must be completed within 60 school days of the child's referral in Illinois.option c.
Step-by-step explanation:
When a child in Illinois is identified as potentially having special educational needs, the following procedure is followed after parental consent for an evaluation has been obtained:
C. A comprehensive case study evaluation of the student must be completed by a multidisciplinary team within 60 school days of the referral. This step is crucial in ensuring that the child receives a thorough and fair assessment of his or her needs from different professional perspectives, which could include educational psychologists, occupational therapists, and speech and language therapists, among others.