Charles River School is a coeducational primary and middle school for grades Pre-K through 8. CRS honors the pursuit of academic excellence and the joy of childhood, nurturing each child by igniting curiosity, encouraging creativity, and cultivating intellectual engagement. CRS graduates know themselves, understand others, and shape the future of our diverse world with confidence and compassion. Founded in 1911, the school now enrolls roughly 180 students each year with a student teacher ratio of 6:1. CRS is accredited by the Association of Independent Schools of New England (AISNE) and a member of the National Association of Independent Schools (NAIS).