What are some alternatives?
newrow - Create your online school and deliver interactive content.
SchoolTime - #1 SIS for academic collaboration between Teachers, Students, and Parents.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Schoolhouse - A homework management application for OS X which lets you get track of your assignments and grades.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
SchoolFront - Schoolfront is a hosted online school and student information management software that can be integrated into branded school websites and school community portals.