S.C. Code § 59-67-160
A school bus driver shall have a physical examination that meets the requirements of the Federal Motor Carrier Safety Regulations (FMCSR), 49 C.F.R. 391.41, and meets the certification requirements of this section, certified by a medical examiner as defined in 49 C.F.R. 390.5, before the testing required to operate a school bus and at least every two years after that. The certification must be made on forms provided by the State Department of Education or the United States Department of Transportation. The school bus driver candidate shall provide the testing administrator with the certified physical examination before taking the school bus driver physical performance test and the commercial driver's license skills test. The school bus driver candidate shall provide a copy of the certification to the employing school district. A school district may require additional physical examinations as the district determines to be appropriate. The State assumes no responsibility for the cost of physical examinations required by districts.
S.C. Code § 59-67-160