Where girls learn, grow, and have fun through professionally-supported, positive mentoring relationships with women.
Enroll a girlGetting #Girls2Great by building confidence, inspiring academic achievement, and supporting healthy development.
our outcomesBeing a Big Sister means being a kid again, whether it's playing sports, cooking, crafting, or learning something new together.
become a big sisterA community of volunteers, donors, and partners who are invested in girls.
donateWe ignite girls' passion and power to succeed through positive mentoring relationships with women and enrichment programs that support girls' healthy development.
Being a Big Sister isn't about being perfect. It's about being present. Get started today!
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We offer a variety of ways to show your investment in girls through charitable giving.
Join the Big Sister Boston community for a celebration in support of positive mentoring relationships for Greater Boston's girls, honoring Diane Hessan, chairman, C Space, and chaired by Andrew Graff, CEO, Allen & Gerritsen. Learn more
Museum of Fine Arts
The beginning of a new school year often brings exciting new opportunities and challenges. For Big Sister Isabella and Little Sister Nevaeh the past four years have meant resuming their special friendship in Big Sister Boston’s High School Mentoring Academy. “Nevaeh and I were matched my freshman year of high school, and since then we spent four years building our bond,” reflects Isabella, who is now a freshman at the University of Massachusetts, Lowell. Learn more
Many of us remember the “cowardly” lion from the childhood classic, The Wizard of Oz. While he journeyed through Oz with Dorothy and friends to seek courage, it turned out it was in him all along. The courage to open up, be vulnerable, and share your true feelings with others is challenging enough for adults. And for many children – especially young girls – the outside pressure of ‘fitting in’ makes finding that courage even more challenging. This is something Little Sister Arianna knows firsthand. Learn more