Thayer Academy

located next to braintree's historic district and just up the hill from the mbta’s final red line stop is the historic 34-acre campus of thayer academy. since 1877, our coeducational day school for grades 5-12 (middle school, grades 5-8; upper school, grades 9-12) has been an enabling and ennobling environment where each student is affirmed, supported, and challenged to take on responsibilities, ambitions, and achievements. thayer continues to be a place where tradition and innovation meet, and where students form lifelong relationships with one another and with inspiring teachers who care deeply about their students'​ personal growth and academic success.