Canvas is the open-source learning management system that's revolutionizing the way we educate.
Ridley's Canvas
https://ridleysd.instructure.com
Supported Web Browsers
Starting on May 24, 2014, users who visit Canvas using any version of
Internet Explorer older than IE9 (e.g. IE6, IE7, or IE8) will not be
able to log in. Instead, they'll see a message prompting them to use a
newer browser.
http://guides.instructure.com/s/2204/m/4214/l/41056-which-browsers-does-canvas-support
How to Log in Canvas - Using the Canvas iPad App
Canvas has recently released an app that makes accessing Canvas even
easier from the iPad. The app is free, download it from the App Store
now.
How to Log Into Canvas
How to Complete a Discussion in Canvas