Your access to online publications runs from June 15 to June 30 of the following year. Summer School publication access runs from May 15 to Aug 1 of the same year.
Everything you will receive in a physical format (and more!) is available online. Once you have access, teachers can create an online account, add their classes/students, explore the features available there and begin their lesson plans.
See How to Create a Teacher Account article for instructions on how to set up your Studies Weekly Online account.