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TNT Martial Arts & Fitness
5 ★★★★★ 63 Google reviews · Taekwondo school in San Dimas, California
Style / system: Olympic / World Taekwondo — based on the school's own site and student reviews. Taekwondo systems (Olympic/World Taekwondo, ITF, and ATA/Songahm) differ in forms, sparring rules, and tournaments; if lineage matters to you, confirm it with the school. ATA vs WT vs ITF, explained →
Affiliated school — reviews and the school's own info point to a recognized taekwondo organization or franchise (think ATA Martial Arts, Kukkiwon certification, World Taekwondo, or ITF). If credentials matter to you, ask which association the school belongs to and where the head instructor earned their black-belt (dan) rank and certification.
Plan your first class
- Free trial or intro class most schools welcome new students with a free trial or intro class — check their site or give them a call to book your first session
- Kids & teens classes kids and teens taekwondo classes (ages 3–17) — built around discipline, focus, confidence, and anti-bully skills
- Beginner-friendly all ages and levels welcome, including total beginners — you don't need to be fit or have any experience to start
- Sparring sparring classes, from Olympic-style to point sparring — controlled, gear-on training that builds timing and confidence at your own pace
- Competition & demo team a competition and demonstration team for students who want to test themselves at tournaments and events
- Today see hours ·
- Website & schedule tntmaf.com — book classes and see the live schedule
- Phone +1 909-730-8311
Hours
| Monday | 5 am–9 pm |
| Tuesday | 5 am–9 pm |
| Wednesday | 5 am–9 pm |
| Thursday | 5 am–9 pm |
| Friday | 5 am–9 pm |
| Saturday | 7–10:30 am |
| Sunday | Closed |
The classes they run
“My son started training at TNT when he was 10 years old, transferring from a traditional taekwondo school due to TNT's excellent reputation for developing competitive athletes.”
“Update-my son is 9 now and will be testing for his black belt in December 2025.”
Other martial arts here
What students say
“My daughter has been training at TNT Martial Art & Fitness for almost 3 years, and it’s become part of our family routine!”
“Thanks to the dedication and hard work, our kids have become more committed and focus on any craft thats put in front of them.”
“Finishing the last tournament with your support and determination to help him win the Gold Medal made it extra special.”
“We're pretty immersed in the youth sports and Master Tavis, Master Taylor and Master Corey are probably the most effective coaches I've seen thus far.”
“Thank you for another fantastic year of solid, disciplined training, support in positively influencing strong confidence and focus on education and attitude at home and school.”
From the reviews
Both of my sons 7 and 12 have been coming to TnT Tae Kwon Do since July of 2022. In that short amount of time, both of my sons have shown so much progress with listening, discipline and fitness.
Love the intensity & dedication that the masters & instructors bring to the class sessions ensuring that every kid gives their full effort. It pushes the kids, at least ours, past their capabilities opening up their eyes & skill level to more opportunities. Thank you TNT— Diaz Family
We love TNT! The coaches are amazing — they not only teach great martial arts skills but also help kids develop respect, confidence, and perseverance. My son always looks forward to class and has grown so much since joining. Thank you, TNT team!
I can't even begin to express how fortunate I feel to have such a world class Taekwondo dojang near my house. Masters Tavis and Taylor Smith pour their hearts and souls into this dojang. They treat each and every student here like family and want everyone to succeed. Nothing here is given.
New to taekwondo? Start at TNT Martial Arts & Fitness
TNT Martial Arts & Fitness comes up as a beginner-friendly school, going by their listing and students’ reviews. If you've never trained or set foot in a dojang, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and instructors scale the intensity to you. Second, you won't be thrown into hard sparring — reputable schools build fundamentals (stances, blocks, kicks, and basic forms) for weeks, sparring eases in gradually and with gear on, and instructors keep it controlled and safe. Third, all ages and all levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most schools are happy to let you watch or try a class first, so reach out before you commit.
Your first taekwondo class at TNT Martial Arts & Fitness
Nervous about walking into a taekwondo school for the first time? Almost everyone is, and good instructors expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic stances, blocks, and kicks with a partner or on pads — not hard sparring. Rest whenever you need to; no one will bat an eye. What to wear: loose athletic wear you can move in (or a dobok if you have one); you'll train barefoot on the floor. What to bring: water and a positive attitude — many schools lend a loaner dobok for a first class, so it's worth asking when you call. As you keep training you'll get your own dobok and belt, and sparring gear (mouthguard, headgear, and guards) once you begin sparring. Sparring eases in gradually, once your fundamentals and forms are solid. Arrive 10–15 minutes early to sign a waiver and meet the instructor. It gets easier fast — most people feel far more at home by their third class.
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