What is longest Texas high school football playoff win streak?

The all-time consecutive wins record is held by Celina, Texas, for its 68 game winning streak from 1998 to 2002. The second longest consecutive games won is 49, achieved by two schools, Southlake Carroll between 2004 and 2007 and Abilene between 1954-1957. The fourth belongs to Lake Travis High School, who won 48 games between 2007 and 2010.

Source: www.texasfootball.com