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Vaccines Required for School Attendance, Preschool -12th Grade


Haemophilus influenza Type B (Hib) 1 dose (given on or after the 1st birthday, unless child is older than 59 months)*2* None Needed
Diphtheria, Tetanus, and Pertussis (DTaP, DT, Td, Tdap) 4 doses

4 doses ( 4 doses only if 4th dose given on or after 4th birthday) *3,4*
1 dose of Tdap (prior to entering 7th grade)*6*

Polio (IPV or OPV) 3 doses 3 doses (3 doses only if 3rd dose given on or after 4th birthday)
Measles, Mumps, and Rubella (MMR) 1 dose (dose must be given on or after 1st birthday) 2 doses (first dose must be given on or after 1st birthday, and spacing between doses is 4 weeks)
Varicella “chickenpox” (Var) 1 dose (dose must be given on or after 1st birthday)*6* 2 doses (first dose must be given on or after 1st birthday, spacing between doses is 12 weeks for children under 13 years, and 4 weeks for those older than 13 years)*5,6*

* Per MCA 20-5-402 a preschool is defined as a facility that provides, on a regular basis and as its primary purpose, educational instruction designed for children 5 years of age or younger and that: (a) serves no child under 5 years of age for more than 3 hours a day; and (b) serves no child 5 years of age for more than 6 hours a day.

*2* Hib vaccine is not recommended for children older than 59 months.

*3* DT vaccine administered to pupils less than seven years of age is acceptable only if accompanied by a medical exemption that exempts the pupil from pertussis vaccination per ARM 37.114.705.

*4* A pupil 7 years or older who has not completed the DTaP requirement must receive additional doses of Tdap vaccine or Td vaccine to become current in accordance with the ACIP schedule per ARM 37.114.705.

*5* While it is not recommended, if a child younger than 13 years receives their second dose of varicella at an interval of 4 weeks or longer, the dose does not need to be repeated.

*6* As of October 1, 2015 pupils are required to have varicella vaccine and all pupils 7th-12th grade must have a Tdap vaccine. Note: A four day grace period may apply, as appropriate, per the Advisory Committee on Immunization Practice (ACIP) recommendations.



  1. Medical Exemption Form
  2. Religious Exemption Form
  3. History of Varicella DPHHS-115 Form


Please contact the administrative office if you have additional questions regarding the information on this page, or If you are experiencing difficulty accessing the information on this page. Please call 406-924-2492.