Important Immunization Requirement: Do You Have a Student Entering Seventh Grade or Twelfth Grade This Fall? Calendar iconTue, 02/21/2017 - 11:35 Important Immunization Requirement: Do You Have a Student Entering Seventh Grade or Twelfth Grade This Fall? May 01, 2024Seventh grade students cannot begin school in August without documentation of the Tdap booster and Meningococcal vaccine, and twelfth grade students also need documentation of the Meningococcal vaccine.