Winsor is an independent day school for academically promising and motivated girls in grades 5-12. The school enrolls approximately 430 students from diverse cultural, racial and ethnic backgrounds. They hail from more than 50 different communities in and around the city of Boston.

Winsor’s teachers are bright, creative and caring individuals. They make their subjects come alive for students in small classes, with an average class size of 13 students. Nearly 20 percent have taught at Winsor for 20 or more years, and 89 percent have advanced degrees. In addition to teaching, they advise girls and lead clubs and activities.