Just follow the site, it may be easy to update the Jeulia discount anytime. All of the latest coupons and discount codes are shown as soon as they're released. If any Jeulia teacher discount is launched, you can also know as soon as possible.

In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Of course not, most coupons may be used only by you when you received them directly from Jeulia. As the Jeulia coupon includes your User ID, it cannot be resold or transferred in any way.

Usually, Coupon Stacking is not allowed at Jeulia. However, the store will surely give out notice if available.

Yes. Coupons for each Discount Event of Jeulia will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

At the time of updating, Jeulia has not applied Student Discount all year round yet. Check the official store and reach out to the customer support team to be clear.