Hey School Admin! To connect your Google classroom to Edlink, you'll need to confirm that you're a G Suite Administrator.
To do so, try to visit the Google Admin Console. If you're indeed an admin, you'll see a page that looks like this:
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If you don't have admin access, you'll see the following error page:

Once you've confirmed that you're an admin, you can proceed with connecting to Edlink. Yay!