Download the i-Ready Connect app from the Apple Store. https://apps.apple.com/us/app/i-ready-connect-for-students/id1155613065
Open Safari and enter this address - https://accounts.google.com/o/saml2/initsso?idpid=C01glf9ox&spid=32050633877&forceauthn=false
Sign into the student's account with username (including @scolonie.org) and password. It should prompt you to open the i-Ready Connect app.