1. National Center for Education Statistics. Table 203.20. Enrollment in public elementary and secondary schools, by region, state, and jurisdiction. 2020. https://nces.ed.gov/programs/digest/d20/tables/dt20_203.20.asp. Accessed December 7, 2021.
2. FHWA. Children’s Travel to School, 2017 National Household Travel Survey. Federal Highway Administration, March 25, 2019. https://nhts.ornl.gov/assets/FHWA_NHTS_%20Brief_Traveltoschool_032519.pdf.
3. Federal Highway Administration. National Household Travel Survey. U.S. Department of Transportation, 2017. https://nhts.ornl.gov
4. APTA. Public Transportation Facts. 2019. http://www.apta.com/news-publications/public-transportation-facts/. Accessed March 19, 2021.
5. Lieberman M. No Bus Drivers, Custodians, or Subs. What’s Really Behind Schools’ Staffing Shortages?September 20, 2021. https://www.edweek.org/leadership/no-bus-drivers-custodians-or-subs-whats-really-behind-schools-staffing-shortages/2021/09. Accessed September 24, 2021.