An empty box in this table indicates a “NO” answer
Jurisdiction
SCHOOL
Requirement?
Requirement by age or grade(s)
Year first implemented
Historical note
Alabama
yes
Gr 6–12
2010
Alaska
yes
required 10 years after most recent tetanus-diphtheria-containing vaccine
2009
Arizona
yes
Age 11 or older
2008
Arkansas
yes
Age 11 or older
2014
California
yes
Gr 7
2011
Colorado
yes
Gr 7–12
2007
Starting in the 2026-2027 school year, Colorado law will require students to receive a dose of Tdap vaccine before their first day of seventh grade. This is a change from the 2025-2026 school year and before, when Colorado law had required one dose of Tdap vaccine before sixth-grade entry. See the current rule language here.
Connecticut
yes
Gr 7
2011
Delaware
yes
Gr 9–12
2016
District of Columbia
yes
Gr 6–12
2008
Florida
yes
Gr 7–12
2009
Georgia
yes
Gr 7–12
2014
Gr 7: born on/after 1/1/2002
Gr 8–12: new entrants
Hawaii
yes
Gr 7–12
2020
Gr 7: all
Gr 8–12: new entrants
Idaho
yes
Gr 7–12
2011
Illinois
yes
Gr 6–12
2012
Indiana
yes
Gr 6–12
2010
Iowa
yes
Gr 7–12
2013
2024: requirement to be born on/after 9/15/2000 removed
Kansas
yes
Gr 7
2009
Kentucky
yes
Gr 6
2011
Louisiana
yes
Gr 6–12
2009
Maine
yes
Gr 7
2017
Maryland
yes
Gr 7–12
2014
Massachusetts
yes
Gr 7–12
2011
Michigan
yes
Gr 7; transfer students up to date age 7–18
2010
Minnesota
yes
Gr 7–12
2014
Mississippi
yes
Gr 7
2012
Missouri
yes
Gr 8–12
2010
Montana
yes
Gr 7–12
2015
Nebraska
yes
Gr 7
2010
Nevada
yes
Gr 7
2008
New Hampshire
yes
Age 11
2009
New Jersey
yes
Gr 7–12
2008
9/1/2026 change to Gr 7-12 from Gr6-12 if age 11 or older
New Mexico
yes
Gr 7–12
2007
New York
yes
Gr 6–12
2007
North Carolina
yes
Gr 7 or age 12 (whichever is 1st)
2015
North Dakota
yes
Gr 7–12
2014
Ohio
yes
Gr 7–12
2012
Oklahoma
yes
Gr 7–12
2011
Oregon
yes
Gr 7–12
2008
Pennsylvania
yes
Gr 7
2011
Rhode Island
yes
Gr 7
2009
South Carolina
yes
Gr 7
2013
South Dakota
yes
Gr 6
2016
Tennessee
yes
Gr 7
2010
Texas
yes
Gr 7–12
2009
2026: changed from Gr 7 to Gr 7-12
Utah
yes
Gr 7
2007
Vermont
yes
Gr 7
2008
Virginia
yes
Gr 7
2006
Washington
yes
Gr 7–12
2007
2020: changed from Gr 6–12 to Gr 7–12
West Virginia
yes
Gr 7, 12
2012
Wisconsin
yes
Gr 7
2023
Wyoming
yes
Gr 7
2010
This table was compiled by Immunize.org using information provided by state health departments. If you have updated information concerning this table, please call (651) 647-9009 or email admin@immunize.org.
