Sightreading and Theory websites:
http://www.musictheory.net: Great resource for studying and practicing music theory skills.
www.sightreadingfactory.com: The same site we use everyday for sight reading practice.
Regionals/All-State Music List: Please look at and listen to the songs listed below. There are 11 songs to choose from. Be sure to pick the version that matches your voice part (soprano 2, for example).