Teamwork School is a free Android app developed by TalkBox Limited, aimed at providing a convenient communication channel between parents and teachers. With Teamwork School Messenger, parents can receive school information in real-time and communicate with teachers and staff instantly.

This app combines messaging and real-time communication to help parents stay up-to-date with school notifications, their children's attendance records, and handle tasks such as requesting leave and submitting school receipts. Teachers and staff can also create different functional groups, allowing members to use Teamwork School Messenger as a platform for real-time communication and publishing related information.

The app also provides instant message notifications for school announcements and other messages. Schools can send designated content or emergency notifications to different classes or groups, and push notifications to parents' phones to ensure that they receive information as quickly as possible.

In addition, schools can customize information about themselves, such as school introductions, school structures, and contact methods, to allow for closer communication between parents and schools.

It's important to note that if parents find that they can only read messages but cannot send them, it's likely because they do not have the relevant permissions in their group. They can contact the school system administrator for more information.