Taekwondo, karate or jiu-jitsu? Choosing a martial art
Martial arts are one of the most popular activities for students in elementary and middle school, and one of the most searched. Parents want to know which style, what age, and whether it really helps with focus. Here is a short, research-based answer. For every activity from soccer to robotics, see our free activities guide.
This article is general information, not medical advice.
The main styles, in one line each
| Style | Focus | Good fit if your student… |
|---|---|---|
| Taekwondo | Kicks, flexibility, balance | likes high energy and clear goals |
| Karate | Hand strikes, forms (kata), discipline | likes routines and visible progress |
| Brazilian jiu-jitsu | Grappling on the ground, problem-solving | likes wrestling-style play or is uneasy with striking |
| Judo | Throws and safe falling | is physical and enjoys partner work |
All four use belts, which give students visible, step-by-step goals.
What age to start
Many programs start around 4 to 6. The American Academy of Pediatrics (AAP) lists martial arts among activities that suit ages 6 to 9, and says students should build non-contact form and skill before any sparring. (AAP, HealthyChildren.org)
Does it really help with focus?
There is some good evidence, with honest limits:
- A review in Science found that activities which keep raising the challenge to self-control and focus help most, and that traditional taekwondo did better than standard PE in one study. Students with the weakest skills gained the most. (Diamond & Lee, 2011)
- In a randomized study of 240 students ages 7 to 11, twice-weekly taekwondo for 11 weeks led to fewer conduct problems and better attention, though it did not change several other self-control measures. (Ng-Knight et al., 2022)
The pattern across studies: the activity works best when it is enjoyed, done regularly, and gets gradually harder.
Safety questions to ask before you sign up
- When does sparring start, and is there any contact to the head? The AAP notes that no protective equipment has been shown to prevent concussions.
- For jiu-jitsu: how are chokes and joint locks limited for younger students?
- How are instructors trained and screened?
- Is there a trial class?
The AAP generally discourages mixed martial arts (MMA) for young participants, and says boxing is not a safe sport for young people.
What it costs
Many programs run about $85 to $200 a month, plus belt-test fees. (ThePricer) Try a trial class or a short session before signing a long contract.
Balance it with the rest of the week
Students ages 6 to 17 need 60 minutes of activity every day (CDC) and ages 6 to 12 need 9 to 12 hours of sleep. Martial arts twice a week, free play, short steady schoolwork and good sleep make a strong week. Our free sample workbooks use the same idea as the belt system: one clear step at a time.
Read the full guide: After-school activities, K–8, with every activity, start ages, costs, safety and what research says about the brain.
Common questions
Which martial art is best for a young student?
The one your student enjoys, taught by a well-trained instructor who teaches form and skill before any sparring. Taekwondo is kick-focused, karate more hand-strike focused, and jiu-jitsu and judo are grappling arts with no striking.
What age can students start martial arts?
Many programs start around 4 to 6. The AAP lists martial arts among activities that fit ages 6 to 9, and advises delaying contact sparring until a student is physically and emotionally ready.
Do martial arts help with focus?
Some studies suggest so. In a randomized study of 240 students ages 7 to 11, taekwondo twice a week for 11 weeks led to fewer conduct problems and better attention, though several other self-control measures did not change.