(4) The requirement in subsection (3) shall be waived for a student who meets one of the following criteria:

• (a) The student is enrolled or required to enroll in a remedial course.
• (b) The student’s parent indicates in writing to the school that:
• 1. The parent requests that the student enroll in another course from among those courses offered as options by the school district; or
• 2. The student is participating in physical activities outside the school day which are equal to or in excess of the mandated requirement.