Tennis, Soccer and Karate in FCPS or PWCPS

[Anonymous]

Trying to find a house in Fauquier or Prince William Haymarket/Gainsville area now. I have 3 kids and all of them have different tastes. Now we are in DC and found all good schools/tennis/coaches.
But when we move, where can I find activity information? If the school doesn't have a tennis club or soccer club where do you send kids? DD has just been listed in the USTA tournament. Also, one son is on MD travel team. These are serious athletes. For Karate kid, I prefer NOT Tekowndo, Japanese or Japanese style karate. But I don't expect a club in a school setting. Any information is appreciated.