Only about a week left to register for the PBwiki Back to School Challenge:
“win a free Gold Premium wiki upgrade (value: $250) for their classroom. By joining, you’ll be able to create your own PBwiki and earn points to win a free Premium upgrade for your classroom, too. Plus we’re giving away other great gifts, like a $1,000 school supply shopping spree, and books and educational products from donors like LEGO Education.”
from: www.backtoschoolchallenge.com
