These 8 steps will walk you through setting up Google Apps for Education with your district or school domain. 

Step 1 Plan your deployment
Step 2 Sign up for Google Apps
Step 3 Create an organizational structure
Step 4 Add additional domains
Step 5 Provision users
Step 6 Configure email delivery in Google Apps
Step 7 [Optional] Set up single sign-on (SSO)
Step 8 [Optional] Migrate users' data