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Upper School Course Registration
Class A Signup Portal Instructions
Course Registration for Students entering Grades 10-12
Note: We don't use online registration for students entering 9th Grade.
- Go to the Class A Course Registration website
- At the Login page, enter your Username and Password
- Username = first initial, last name (Example: kgately)
- Password = the seven digit number given to you by your advisor
- Follow the on-screen instructions and prompts.
- Remember to print the receipt and sign it, ask a parent or guardian to sign it, and give the signed receipt to your advisor.
Need help? Contact Jim MacVarish (jmacvarish@thayer.org) with login problems or questions about course listings.