Add a second layer of security using an authenticator app (Google Authenticator, Authy, ...).
Scan this code with your authenticator app, then enter the 6-digit code it shows.
To turn it off, enter a current code from your authenticator app.
Saving a new amount prices future enrolments only. Read what a correction would change before applying it — an exam fee already paid past the new amount is refused rather than rewritten.
Each add-on a student opts into at enrollment is paid in full, on top of tuition, following its own installment schedule.