Cannot Create Customer or Suppliers

Cannot Create Customer or Suppliers, though I am an Administrator.

I have selected Education as a vertical ? Any help would be much appreciated.

I believe there is a conflict with the permissions that you have as an administrator.

Try to go over the permissions and fiddle with it. Just refer to this documentation.
http://frappe.github.io/erpnext/user/manual/en/setting-up/users-and-permissions/