Mr. Steffen's Home Page
Teacher: Mr. John (Joey) Steffen
Welcome to Mr. Steffen's Science
If you're a student or parent, remember to check grades frequently on Renweb
I may be reached at 909-795-1112 x 250 or 909-709-6160 or you may e-mail me at john.steffen@mgak-12.orgLinks
Biology I
Biology II - Anatomy & Physiology
Biology II - Ecology
Chemistry