Hi David,

I am not sure about discounts on the certifications, but I do know that Databricks is currently offering self-paced prep classes for these exams for free. I think the offer is until April and only available for college students. You can find the instructions on how to enroll here

https://drive.google.com/file/d/1_8UnwKhfeZsvHm5yL9-qiS54hn95BYr5/view

Thank you