LATEST GMA NEWS - All regularly scheduled classes will be conducted today. - Additional Adult sparring & grappling classes will be conducted on the 2nd & 3rd Saturday of the month, from 10:00-11:30am. - GMA's new student calendar is booked through the month of May 2022. If you or your child would like to begin training in June of 2022, you (or the child) will need to take the May 21st Intro Lesson. The people that take that lesson, will be able to begin regular training in June 2022. - If you or your child would like to start training in June of 2022, email or call 978-433-8772 to schedule an appointment. All new memberships are by appointment only.