Check to see if the teacher is in the Directory . The classes are for your convenience. The purpose of the classes is to make you familiar with the Web E-mail that the district provides. Try again and make sure of your typing. Also, check to see if the Caps Lock key is on.
Passwords are case sensitive.
After 3 unsuccessful attempts, you will be unable to logon for 12 hours. This is a security feature. You are not properly set up to use Web E-mail. Yes, in fact you do not have to use Web E-mail at all. Remember that you are on your own.