Brownwood High School. They hold 7 state titles.
Washinghton high school. In Sioux falls, SD
I know that Robbinsville High School has 12 1A titles running all the way back to 1969!
Muncie Central Muncie Central
Although many claim Cleveland Saint Ignatius has won the most.
Because high school is only four years, you will find that there are some students that have been a four time state champion. There aren't many but wrestler John Smith who is now the coach of Oklahoma State University, was 105-5 in his high school career.
Sewickley Academy Panthers
earl Wooster high school.
Safford high school.
Not positive but many say Cleveland Saint Ignatius. Edit: Definitely Cleveland St. Ignatius for the state of Ohio, they have 10 (all under head coach Chuck Kyle) while the next closest team is Cincinnati Archbishop Moeller with 7. But as far as other states go I don't know. edit: Trinity High School of Louisville, Kentucky, holds the record for 19 state championships. They have won 7 of the past 8 State Championships. The above answers are both incorrect. Lawrence High School in Lawrence, KS has won 26 State Football Championships. Their athletic department has won a total of 101 State High School Championships in all sports, which leads the nation. Actually, your answer is also incorrect East Grand Rapids High School in East Grand Rapids, Michigan has 111 state championships as of June 2009 The above answer is wrong this is just foorball, they have won 10. I Believe the most are, Lawrence High with 27, John Curtis Christian in River Ridge, LA with 19, and Joliet Catholic, IL, with 13. This is really hard to find, on the intenet, if you find otherwise just change this answer The above answer is wrong to, Washington High School in South Dakota has 36 football titles. as of Nov. 2010. Edit:Massillon Washington High School Out of Ohio Has Won 22 State Championships.(In Football Of Course) Well Artesia High School, Artesia NM, has 26 state titles in the past 50 to 60 years! Arteisa has just won its 27th state football title on December 4, 2010 against Aztec, New Mexico. Edit: Washington High School of Sioux Falls, South Dakota has 35 11-man football state titles. Most recently winning the state title on November, 13th 2010. Edit: John Curtis is up to 25 championships. Ada, Oklahoma has 19. Valdosta, Georgia has 25 or 26
According to wikipedia. Princeton has the most titles with 28.
UCLA Men's basketball Not even close. UCLA men's basketball has 11 titles. Oklahama State Wrestling has 34 - most of any college in any single sport.