Remind or Remind 101What is it?: Remind is a text messaging service that allows teachers to text a group of students and parents without giving out phone numbers. Both students and parents need to sign up to receive messages.How to sign up?: Simply start a new text message addressed to the number given on the instructions and then type the special code into the text part of the message. Then press send and wait for the confirmation and instructions.Vision: Connect every teacher, student, and parent in the world to improve education.