Gradekeeper School License Cost: $100 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Gradekeeper School License: Gradekeeper is a powerful gradebook application for Windows and Macintosh. A school license allows every teacher at your school to use both the Macintosh and Windows versions of Gradekeeper both at home and at school. Please enter your school name in the Register To field.