The Teacher Atlas keeps you logged in for 48 hours by default. If you click the "Remember Me" checkbox, it will remember you for 14 days. Your web browser needs to have Cookies enabled for Note that cookies are not compatible with "Incognito" or "Private Browsing" modes of web browsers.

You can use the Teacher Atlas on one device at a time. If you log in from a different device, that will become the active session.