The application for the 2017/2018 School Year is now closed. The lottery for MaST will be held on February 21st at 4:30 PM. The lottery for MaST II will be held March 7th at 4:30 PM. Both lotteries will be held at 1800 E. Byberry Rd. Philadelphia PA 19116. For application questions or corrections, please email info@mastccs.org.