Yes, schools can continue to register students for AP exams until the March deadline at a price of $139/exam, including the $40 late fee levied by the College Board. This year (2024-25) the College Board deadline is March 14th because the usual March 15th date falls on a Saturday.
The Touchbase payment system will be open to Shop for AP exams until 11:59 PM, March 13. AP Coordinators will finalize and submit the exam order on March 14. The College Board closes the exam ordering portal end-of-day March 14 so no exams may be added online. No further exam orders will be placed in BSD.