Roughly 91% of seventh grade students in all Bucks County public middle schools are vaccinated against tetanus, diphtheria and pertussis, or Tdap, according to data from Pennsylvania Department of Health. However, one school in Bucks County falls well below that average. At Bristol Borough Middle School, just over 60% of the seventh grade population received the Tdap vaccine in the 2025-26 school year. Who is not getting vaccinated Along with …