How long are periods and overtime in NFHS ice hockey?

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Accepted Answer

Item NFHS rule Period length 15 minutes. A state association may extend it up to 17 minutes. Sudden-death overtime period Maximum 8 minutes, no ice resurface Ends for first overtime Teams change ends Overtime player count and format Set by each state association Shootouts No NFHS rule Timeouts May be requested at any stoppage "Mercy rule" (ending a game early) Permitted Period length, overtime format and video review can all vary from state to state, because they depend on what each state association adopts.

Item	NFHS rule
Period length	15 minutes. A state association may extend it up to 17 minutes.
Sudden-death overtime period	Maximum 8 minutes, no ice resurface
Ends for first overtime	Teams change ends
Overtime player count and format	Set by each state association
Shootouts	No NFHS rule
Timeouts	May be requested at any stoppage
"Mercy rule" (ending a game early)	Permitted