Colorgaurd is an activity that you start in Marching Band and you dance around and spin flags around for a better effect. Its not also in Marching Band but it has its own sport called WinterGaurd As well.

So where do you start and how do you learn how to do it?
You can always begin in Highschool because usually it dosnt take any skill and there isnt usually try-outs but in certian highschools there might be. You can also take classes from people to learn.

The Videos at the below this will teach you tricks and starter moves and after you learn them you can slowly start beginning tossing

Colorgaurd isnt only just flag but its way more. Colorgaurd is about making friends around and learning dancing as well. You dont only spin a flag but based on your skill level if you practice enough you'll be able to move on to rifle or saber as well if your school has it!

The videos under this will show you starter videos on how to do Rifle And Saber as well.