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Mark T. Sheehan High School
Welcome to Mark T. Sheehan High School, home of the Titans! We are here to serve our students in their academic, social, and emotional growth. We are proud of our extensive course offerings, athletic and club organizations, and caring and supportive school environment. Our staff is dedicated to our students and families. Our goal is to prepare our students for their post-secondary ambitions. Go Titans!
![Portrait of a Graduate]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1734035939/wallingford/rckvut9hktemdynysmy5/graduation-1961990_640.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1734035939/wallingford/rckvut9hktemdynysmy5/graduation-1961990_640.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1734035939/wallingford/rckvut9hktemdynysmy5/graduation-1961990_640.png","width":640}])
![One New Wallingford High School]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1661128487/wallingford/prbmsjcsoqbitgurnvfw/plan-g9f336dd1f_640.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1661128487/wallingford/prbmsjcsoqbitgurnvfw/plan-g9f336dd1f_640.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1661128487/wallingford/prbmsjcsoqbitgurnvfw/plan-g9f336dd1f_640.jpg","width":640}])
![From Our Superintendent]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1660938923/wallingford/pnjrczbayv6fyowolhts/Danielle.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1660938923/wallingford/pnjrczbayv6fyowolhts/Danielle.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1660938923/wallingford/pnjrczbayv6fyowolhts/Danielle.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1660938923/wallingford/pnjrczbayv6fyowolhts/Danielle.jpg","width":1200}])
![Staff Recognition]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1694216972/wallingford/rudzo8qbcgmn2hhjnseb/award-2029288_1280-3.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1694216972/wallingford/rudzo8qbcgmn2hhjnseb/award-2029288_1280-3.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1694216972/wallingford/rudzo8qbcgmn2hhjnseb/award-2029288_1280-3.png","width":750}])