Google Classroom - Learning management tool by Google
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
Canvas Student - Canvas Student developed and published by Instructure.
Pushbullet - Pushbullet - Your devices working better together
Remind - Remind, formerly Remind101, is a communication tool that helps teachers reach students and parents where they are. It also allows for translation features to better communicate with all families.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.