Have you checked out Google in education yet?
Are you aware that Google have a range of free tools available to schools? Businesses pay $5 per user per month to access the range of tools but schools can use Google in education for free.
Many of you probably already have a Gmail email address; if you don’t it’s time for you to upgrade! If you have a Gmail address then you already have a Google account and can access these free tools by clicking on the drive link at the top of your screen.