To ensure your Favourites/Bookmarks follow you around the school:
Edge
make sure you sign into Edge when it asks you to. (Just click Yes and you’ll auto sign in). If it asks you to sign in to Google, do so – you only need to enter your email address and your Edge login will do the rest.
Chrome
Sign into Chrome with your email address. You make be asked to sign in with your Microsoft password.
Firefox
Sign into you Google account with your email address.