State law addresses hearing screening.
Michigan Administrative Code R 325.3274 Frequency of screening
(2) Hearing screening of school-age children shall be done at least in grades K, 2, and 4, or screening shall be done at least biennially starting at age 5 and continuing at least to age 10 years.
Michigan’s Public Health Hearing & Vision Screening Programs
Flyer addresses hearing screening in elementary school.