If you have an Amazon Student membership, as well as Amazon Prime, you can snag a great deal on a Kindle Fire HD 8.9″! This offer will be available through January 30th, and you will be able to save $50 on a Kindle Fire HD!
Here is how to to take advantage of this special offer:
Place a Kindle Fire HD 8.9″ or a Kindle Fire HD 8.9″ 4G LTE Wireless in your cart. At checkout, enter the promo code KNDL4STU. If you are an Amazon Student member in a free or paid Prime plan, the discount will be applied to the items in your cart. This promo code may be redeemed once per customer. offer good only while supplies last.
As well as the fine print:
Special pricing available only to Amazon Student Members with an active Prime account (free six-month or $39/year plan). Join Amazon Student or start your discounted Prime membership to take advantage of this sale. The promo code will become available 24 hours after activation of your account, through January 30. New members, don’t forget to check your .edu email and verify your account.
If Santa didn’t leave you one of these under your Christmas tree this year, perhaps a little present for yourself is in order. 
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Source:
http://www.bargainblessings.com/amazon-student-exclusive-deal-save-50-on-kindle-fire-hd/