Your best bet for discounts on iPads is through a retailer or online. Apple has price matching too (in store only), if you prefer Apple over retailers.
I got 14% discount on my MacBook Pro and 6% on my ipad air through the education discount.
I'm in the UK and work for a Higher Education institution.
But only other brick and mortar which makes it hard to find a price to match
Suspect institution is the key there. Schools can fall under corporate style rules and they do get discounts in almost everything.
Teachers and students don't. Especially students