Student Health


The School and Child Care Immunization Requirement Charts and Individual Vaccine Requirements Summary (IVRS) for 2022-2023 have been published on the School and Child Care Immunizations website

The Department of Health (DOH) has updated guidance on immunization requirements for children entering transitional kindergarten (TK) and preschool. These changes will better protect children attending school from vaccine preventable disease. This guidance will be implemented for the 2022-2023 school year.

  • Updated immunization requirements for kindergarten, including transitional kindergarten, and preschool will apply to children 4 years and older.
  • Children who are 4 years old by September 1 will need booster doses of DTaP, IPV, MMR, and varicella. Children will also need PCV and Hib vaccines until they reach age 5.
  • Children who turn 4 years old after September 1 do not need to meet the requirements for 4-year-olds until the next school year.

The Department made these changes in part because the Office of Superintendent for Public Instruction (OSPI) recognized transitional kindergarten a part of kindergarten under RCW 28A.150.315, stating that “transitional kindergarten meets the requirements of full-day kindergarten.” It is the DOH’s responsibility to align Advisory Committee of Immunization Practice’s guidance to school grades, which recommends certain vaccinations before school entry.


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