Step #1
Click ‘Pay Here‘ button

Step #2
You wil be redirected to Revolut Payment page, drop-down to choose “USD” as currency (Default currency is CHF, click on it to change it)

Step #3
Enter the amount you want to send based on the class you’re paying for.

For example: 

60 USD for 1 class

Step #4
After entering the amount, click ‘Pay with Card’ button in the bottom of the payment page, enter your card details and hit continue.