It is recommended that you go to:  Education Pricing and Student Discounts - Education - Apple to find the model of iPad you wish to order then follow the steps below:

Steps:

1. Email Brent Sallee AND Gram Swindler for a quote. Brent Sallee  sallee@apple.com  Gram Swindler gswindler@apple.com
2. Enter a PO using the quote you received and please attach it to the PO (the quote is needed to enter the order at the warehouse)
3. The warehouse has to order these manually online, so the model/catalog # is very important.
4. Submit with the model # and attachment included

** You ARE REQUIRED to purchase a case for your devices -refer to Amazon to order cases on a separate PO.  Be sure that you have the correct model and generation when ordering cases