The Self-Defense Institute

About Us

26th Annual Fall/Winter Registration

Unleash your inner strength and cultivate self-confidence at The Self Defense Institute, a leading martial arts school in Tewksbury, Massachusetts. Established in 1999. Empowering individuals of all ages from 3 1/2 to 18 years and adults with the skills and resources to excel in martial arts and beyond.

The Self-Defense Institute, conveniently located at MGM Plaza, 1721 Main Street, Tewksbury, MA, continues to be recognized nationally, regionally and locally for exemplary teaching, leadership in the community and a commitment to excellence.


Family, School and Corporate Rates Apply:
Email or Text to tsdi.contact@gmail.com to Register
Learn more: https://www.tsdiOnLine.com