In Office 365 Education, there are two plans:

• Office 365 for Education (100% free)
• Office 365 Education E5

The main features of these plans are as follows:

• Office 365 for Education (100% free):
  • Office on the web
  • 50 GB of mailbox
  • 1 TB of OneDrive for Business
• Office 365 Education E5:
  • Office installed on PC, Mac, or mobile devices
  • 100 GB of mailbox
  • 1 TB of OneDrive for Business

To view the latest features, go to https://www.microsoft.com/en-us/education/products/office/default.aspx.