Yahoo! Messenger can be used for students and parents to contact their teacher should they have any issues with assignments, also for teachers to contact the parents should anything come up with the students.

Communicate Better To Home. HomeworkNOW.com makes it possible for schools to communicate with parents and students via the web, iPhone, iPad, Android apps, email, mobile text messaging, Facebook, Twitter, RSS Feeds and more! Administrators use HomeworkNOW.com to easily communicate school announcements, alerts, and schoolwide notices. Teachers can sign up on their own or the school can sign up.