A lot of what you need is already built into your device and student PCs.
Find out how to make the most of it.
You can customise your Android device using accessibility settings and apps. Accessibility features can be found under the Settings menu on Android devices. From here you can alter the device settings to assist with Vision (Talkback, Screen Shade and Screen Colour Adjustment etc), Hearing (Captions, Notification LED etc) and Motor and Cognition (Touch Feedback time, Touch Control etc).
Find out what your device is able to do at Android Accessibility