Payment Options

  • Post-pay: Client/University invoiced on a monthly basis for tests delivered during previous month.
  • Purchase Order:Client/University designates number of test units Castle is approved to deliver. Castle invoices on a monthly basis for the tests delivered against the purchase order.
  • Pre-pay: Client/University submits prepayment by check for a designated number of exam units.
  • E-commerce: Students who test off campus through Castle's sites or Live Online Proctoring can pay via debit card or credit card at the time of scheduling.

NOTE: No refunds are permitted for purchased exam units.