Regina High School in Iowa and Ithaca from Michigan lead the country with 56 straight wins.
Keep checking back as we update playoff brackets and state champions from every state.
MaxPreps maps out the nation's toughest brackets.
Team: Basketball ( JRSportsUSA - 1/23/2013)
Team: Football ( ScoringLive - 3/25/2011)
Team: Girls Volleyball ( HawaiiPrep - 9/10/2009)
Team: Baseball ( Digital Sports - 3/26/2008)