The Online Teacher Center is a one seat, 3-year subscription. The Teacher Center allows a teacher to access their online TE book, Leveled Readers, Science Handbook or Paired ReadAlouds, animations, the ability make assignments to students who are registered users in their online class, and more! Teachers can view and customize presentations and assign tests and quizzes to be taken and graded online. A teacher can access the Digital Teacher Center from anywhere the Internet is available.