Your payment schedule will be outlined in your offer letter and international student enrollment agreement.

For CPL, you will be required to pay a deposit then a further installment on commencement and a final installment after 6 months

For those doing CPL with the Instrument Rating  you will be required to pay a deposit then a further installment on commencement, another installment after 6 months and a final installment at commencement of your Instrument Rating.