Now Apple official website has an educational discount for buying iPad, and no proof is needed. The purchase method is:

1. First, search for Apple to enter Apple official website.

2. Click on the iPad to enter the page. Drop it down to the bottom of the page and click "Buy by College Students".

3. Go to the Education Store page, select iPad specifications and add shopping bags.

4. Next, you need to add a shopping bag, and then click View Shopping Bag.

5. Just pay in the shopping bag, as shown in the figure.