Shout out to every person who has allowed other people who aren't students use their student discounts. (Applies to nurses, teachers, government, etc.)
Here's where to use them btw, some of these services support multiple countries, not just the US
https://shop.sheerid.com/studentdeals/
https://www.myunidays.com/US/en-US
https://www.id.me/
https://www.studentbeans.com/
Also check if your grocery stores offer student discounts!
Discounts could look like a code, which you can just copy paste to a friend, or a link, which in such case, you'd only want to do that with someone close to you, as you'd probably have to do some sort of info sharing or paying someone back for the purchase.