Our Mission Statement

Big Sister Association of Greater Boston's mission is to help girls realize their full potential through positive mentoring relationships with women.

Become a Big Sister today.

It isn't about being perfect. It's about being present. Find out how to become a Big Sister today.

Get Involved.

You don't have to be a mentor to make a difference. Join thousands of men and women supporting Greater Boston's girls through volunteerism and philanthropic contributions.

Enroll a girl today.

If you want your daughter to have a Big Sister, enroll today with our simple online application.

Chef Michael Schlow CEO Deborah Re Tico Boston

Recent Event: Celebrity Chef

Date: June 1, 2014

Location: Tico, Boston

Hosted by: Chef Michael Schlow

26th Annual Car Raffle
Time is running out! Don't miss your chance to win!            

News Events


Become a Big Sister today!

The Appreciation Breakfast celebrates sisterhood and the bond between our Sisters. See for yourself! Getting #GirlsToGreat.


Big Sister raises 85% of our annual revenue through private philanthropy; your donation is critical.


Choose your words wisely-A Verizon ad cites a sad statistic by the National Science Foundation: 66% of 4th grade girls like science/math but only 18% of college engineering majors are female. What is discouraging girls from pursuing STEM in school?