Google Classroom is a tool designed to help teachers and students communicate and stay organized in the paperless classroom. Students with visual impairments and blindness can navigate and manage classes and assignments using a screen reader.
For details, go to Google Support pages:
In the first video below, Amy Mayer provides step-by-step instructions on how to download, set up and get started with Google Classroom.
In the second video below, Amy Mayar provides an overview of what Google Classroom does (and does not do!)
Greg Kulowiec shares additional information in his Introduction to Google Classroom article.