The current longest winning streak in boys high school Basketball, is True Divine Word Academy of St. Louis, MO. They are a small christian academy.
There is no winning streak in the tournament as Ky the 2012 champion did not make the tournament this year.
The longest current streak belongs to Fredericton Highschool JV boys. They were undeafeated for 4seasons and wins of 137. I heard the world record was 158 wins
Jesuit High School from New Orleans. 92 game winning streak.
Vinton Shellsburg high school is 20-0
Summers County High School Lady Bobcats in Hinton, WV
Xavier
Clairton bears at 47 wins
Texas, won 134 games from 1987 to '91.
The longest winning streak by a junior varsity basketball girls team was 80 strait games by a school in Akron, Ohio. It is worthy to consider that many schools do not report these streaks for this level, so there could be an unreported streak that is higher.
Piloow academy girls. 100 games in a row. 1971 till 1974
The longest winning record is By The La Pine Hawks and it is a 112 games in a row won!
Fairfield Lady Eagles in Fairfield Montana as of 3/10/14 have won 101 consecutive basketball games.