Valid credentials to access the web as a staff, student, or guest... contact MRC
Install the secure certificate appropriate to your device from this site: SECURLY MOBILE DEVICE CERTIFICATES
Go the Securly site and determine what certificate you need and follow the detailed instructions to install it to your device.
After you install the certificate, your browser will ask for your XX@arlington.k12.or.us credentials to access the web via our network. Enjoy and make good choices... Securly is watching.