School Transportation - As enacted, authorizes a school bus that is used exclusively to transport students from school to an after-school program to be used until the bus reaches the 20th year from the in-service date of the bus, or until the bus accumulates 300,000 miles of recorded travel, whichever occurs later; requires the owner of a bus that reaches the later of 20 years of service or 300,000 miles of recorded travel to, at the conclusion of the school year, discontinue use of, or replace, the bus; requires certain notice to, and inspections by, the commissioner for certain buses. - Amends TCA Title 49.

HB 1856 modifies Tennessee's school bus regulations for buses exclusively used to transport students to after-school programs. It extends the maximum service period from 18 years or 200,000 miles to the later of 20 years or 300,000 miles, allowing these buses to remain in service longer. The bill also requires biannual safety inspections by the Commissioner of Safety or their designee and mandates written notification to the safety department once the extended limits are reached. This change directly affects school districts operating such after-school transportation buses under Tennessee Code Annotated, Title 49.