Goggle Classroom is a platform for teachers to create paperless classrooms and share assignments digitally with students. It allows teachers to create classes, add assignments and test questions, and for students to join classes using a code provided by the teacher and upload completed assignments. The document provides step-by-step instructions for teachers to create a class, invite students to join, and upload assignments. It also outlines the process for students to use a code to join a class and submit completed assignments by uploading scanned documents or files.