The online payment system will close on Friday, February 28th, 2018. Exams ordered are non-refundable. Please ensure you are registering for the correct exam. A processing fee of 4.75% will be collected for each transaction. AP exam takers need to visit the ECHS Counseling Center webpage for further information on test dates, starting times, locations and important updates. A pre-administration session is required before any student is allowed to test. Dates and locations for those sessions will be placed on the AP Exams tab on the ECHS Counseling Center webpage. If you have any further questions on AP Exams at ECHS, please contact Renee Ferguson or Vickey Zeithammel at 210-649-2951.