Go to https://www.canva.com/
Click the Log in button top right.
Click the "Continue with email" option
You must use your work email (xxxx@pgst.nsn.us)
Create your account and make up a password
(this is not your work password)
Click the use code option (after you created an account you will get this option)
Check your work email for the login code.
Once Logged in, click the Gear icon (Account setting)
Gear icon -> Billing & plans -> Canva for Education (register for free)
Click "Claim Canva for education"
Chose Primary and K
Click "My students won't be interested in Canva" option and All done