Here's what we know:
* He has a school: Chan founded the Jackie Chan Stunt Team, which trains aspiring stunt performers and actors in various martial arts, including Kung Fu.
* He has a foundation: He also has the Jackie Chan Charitable Foundation, which supports various initiatives including martial arts training programs for youth.
* He has worked with others: He has worked with other martial artists, such as Yuen Woo-ping, who has choreographed some of his films.
* He has taught on-screen: He has also shown his skills in various films where he teaches others how to fight.
While he might not personally teach Kung Fu classes on a regular basis, it's clear that he's deeply involved in promoting and teaching martial arts.