Here are some sites you may find helpful.
Scholastic Book Order Class Activation Code: DV69H
Lexia app for androids:
https://play.google.com/store/apps/details?id=air.com.lexialearning.core5&hl=en
Lexia app for apple products:
https://itunes.apple.com/us/app/lexia-reading-core5/id623853404?mt=8