To join the PD Classroom:
Go to classroom.google.com
IF YOU HAVEN'T ALREADY REGISTERED WITH GOOGLE CLASSROOM AS A TEACHER, DO THAT FIRST. (It will give you student and teacher options.)
Use your school email account.
Then find the + sign in the upper right of the screen and choose the option to Join a Class.
The code for the PD classroom is: q2ptnay
Once you are logged in, you can browse the resources by topic.