1- open the URL

    google.com/a/example.com  ( Replace example.com with your actual domain name)

2- See on the top if you get

   http://awesomescreenshot.com/0e5do6t08      (only Google Apps that means Its Standard or Free version)

3- If on the top you get

    http://awesomescreenshot.com/061do7m7c    ( Google Apps Business that means Its Business or Paid version)

4- So if you are in Education then you will get on the top ( Google Apps- Education)

5- Same if you will get Google Apps- Non profit or Google Apps- Government