I believe it is Forest Hill High in West Palm Beach.
Moorpark
The Missouri high school team with the most consecutive championships in football is the Marionville High School team. They achieved this remarkable feat by winning five consecutive state championships from 1998 to 2002. This achievement highlights their dominance in the sport during that period.
Washinghton high school. In Sioux falls, SD
florida
Miami Jackson senior high school it is undefeated football team in Florida and also soccer and basketball
La Salle High School in California is who you were thinking of.
57 wynford
151 consecutive wins northern California high school, De La Salle
Florida
DAVID DETRICK OUT OF NOVA HIGH SCHOOL
Glascock County High School in Gibson, Ga., lost 82 consecutive games from 1990-1999.
Frank Sorrells is the Head Football Coach at Bay High School in Panama City, Florida.