Mavity taught history and coached the tennis team at the Katy ISD high school for 20 years and earned three team tennis state championships during his tenure.
His and the school’s first team championship came in 1997, followed by repeats in 1998 and 2002. From 1987 until his retirement in 2007, the accomplishments grew:
• 3 doubles teams state championships in individual tennis
• 25 total doubles teams and seven singles players made the singles state playoffs in individual tennis
• 15 team tennis team appearances in the state finals
• 12 consecutive trips to the state final four in Class 5-A team tennis (a state playoff record)
• 16 district championships and 15 regional championships
• A 20-year record of 323 wins and 51 losses.
His personal honors include:
• 1997—Named Class 5-A Coach of the Year by the Texas High School Tennis Coaches Association
• 1999-- James E. Taylor High School “Runner Up Teacher of The Year”
• 2000-- VFW Meritorious and Distinguished Award for coaching and teaching
• 2001-- Inducted into the Bradley County High School (Cleveland, Tenn.) Athletic Hall of Fame
• 2002 and 2005-- The Texas Division of the United States Professional Tennis Association (USTPA) Texas High School Coach of the Year
• 2003 --The National Federation of High School Associations and Southwest Sectional Coach of the Year
• 2005-- Nominee for the National High School Tennis Coach of the Year
• 2008-- Inducted into the Texas High School Tennis Coaches Hall of Fame
• Served seven years as Regional Vice President in the Texas High School Tennis Coaches Association
• President of the Houston Tennis Association for two years
Although officially retired, Mavity still returns to Taylor High as a substitute teacher, works in the press box during football season, plays tennis three to four times a week and officiates at local tennis tournaments as a certified United States Tennis Association referee.
At the dedication Mavity said “I was blessed to have talented athletes who were willing to work and parents who supported them. I can’t think of a better investment in our youth than to teach them something they can do well and build their self-esteem.”