It is not possible to get back the exact same device.
According to Apple's return policy, exchanges do not exist only a refund followed by a new purchase is possible. This means there is no way to get back the exact same iPad you are currently using (the same serial number).
Here is what actually happens during a return:
- When you return your current iPad, Apple takes that device back
- The refund is returned to your original payment method
- You can immediately purchase the same model (iPad Pro) again at the educational discount price right there on the spot