| Group | Website | |||
| Art Club | grissom_art_club | |||
| Band | www.grissomband.com | Grissom High School Band | Grissom Band @GrissomBand1 | grissomband |
| Baseball | www.grissombaseball.com | Grissom Tigers Baseball | Grissom Baseball @ghsbaseballfans | |
| Basketball (men) | www.grissombasketball.com | Grissom Hoops @GrissomHoops | grissomhoops | |
| Basketball (women) | Grissom Lady Basketball @GrissomLadyBasketball | Grissom Girls Bball @GrissomGBB | ||
| Cheerleading | www.grissomcheer.org | |||
| Chorus | www.ghschoir.weebly.com | Grissom High School Choral Department | Grissom Choral Dept @grissomchoir | grissomhighchoir |
| Dance | www.grissomdance.org | Grissom High School Dance | ghsdance | |
| FCA | GHS FCA @FCA4GHS | grissomfca | ||
| Football | www.grissomfootball.org | Grissom Tigers Football | Grissom Football @GrissomTigers | grissomtigersfootball |
| Golf | www.grissomgolf.com | Grissom Tigers Golf @GrissomTigersGolf | grissomgolf | |
| Grissom GreenPower | Grissom Greenpower | grissomgreenpower | ||
| JROTC | www.grissomjrotcofficial.com | Grissom JROTC | grissomjrotc | |
| Math Team | www.grissommath.org | Grissom High School Math Team | ||
| Mountain Bike | Grissom Tigers Mountain Bike Team | grissom.mtb | ||
| Robotics | greatrobotics.wordpress.com | GHS Robotics @ghsrobotic | ghsrobotic | |
| Rocket City Racing | rocketcityracing.weebly.com | Rocket City Racing @gprocketcityracing | Rocket City Racing @gprcr | gprocketcityracing |
| SGA | grissomsga | |||
| Soccer (men) | www.grissomsoccer.org | Grissom Men's Soccer | Grissom Soccer @GHSMensSoccer | |
| Soccer (women) | www.grissomsoccer.com/womens | Grissom Lady Tigers | SoccerLady Tiger Soccer @Grissomsoccer | grissomladytigers |
| Softball | www.hometeamsonline.com/teams/?u=GRISSOMSOFTBALL&s=softball | Grissom Tigers Softball | Grissom softball @GrissomSB | grissom_softball |
| Swim and Dive | www.grissomswimanddive.org | Grissom High School Swim and Dive | ||
| Tennis | Grissom High School Tennis | |||
| Theatre | www.grissomtheatre.org | Grissom High School Theatre | Grissom Theatre @GrissomTheatre | grissomtheatre |
| Track | @GrissomRunners | grissom_runners | ||
| Volleyball | www.grissomvb.net | Grissom Tigers Volleyball | GHS Volleyball @grissomvb | |
| Wrestling | www.grissomwrestling.com | Grissom Wrestling @GrissomWrestling | Grissom Wrestling @GHS_Grappling | grissomtigerwrestling |
| Yearbook | Grissom High School Yearbook | grissomyearbook |
