Below is a list of outside art classes and camps.
Disclaimer: Allen ISD or myself are not involved with any of these camps, this is just a list of available art classes/camps compiled from internet research.
Allen Arts Alliance has several seasonal art classes available. Check their website for schedule and availability. http://allenartsalliance.org/main/
The Artist Experience offers classes for youngsters. http://www.theartistexperience.com
The McKinney Art House has art classes for all ages. http://www.arthousetx.com/
The Artist Within offers art camps in Plano. http://www.artistwithin.com/
Joe Farmer Recreation Center offers some art classes in Allen. Check website for schedule and availability. http://www.cityofallen.org/index.aspx?nid=1182