Activities and student groups at Kennedale High School include Art Club, Anime Club, Business Professionals of America, Choir, Computer Science Society, Friends of Rachel, Key Club, Kindness in Students Spreads, National Honor Society, Spanish National Honor Society, Outdoor Education Society, Spanish Club, Student Council, Thespians, UIL Academics, UIL Speech & Debate, and Yearbook.
Athletics
As of 2014, Kennedale High School competes in the AAAA, or 4A, classification of the University Interscholastic League. The Wildcats, known as the Lady Kats in women's leagues, compete in baseball, basketball, cheerleading, cross country, drill team, football, golf, powerlifting, soccer, softball, tennis, track and field, swimming, and volleyball.
State championship titles
- Girls' soccer: 2015, 2016 (4A)
- Boys' track : 2014 (3A)
- Boys' baseball: 2011 (3A)
- Boys' basketball: 2008 (3A), 2025 (4A)[5]
- Girls' track : 2004 (3A), 2021 (4A)
- Softball: 1998, 2000 (3A)[6]
Band
The Kennedale High School Wildcat Band includes a marching band, a jazz band, a varsity wind ensemble, and two sub-varsity wind ensembles.
The KHS Wildcat Marching Band qualified for every UIL state-wide championship for 14 years between 2006 and 2020,[7][8] qualifying for finals between 2014 and 2020.
The KHS Varsity Wind Ensemble has qualified as a state finalist in the ATSSB Outstanding Performance Series competition.[9]