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What if every child fulfills their potential? Think how amazing that would be. Start Something.

Big Brothers Big Sisters is not your typical organization. We help children realize their potential and build their futures. We nurture children and strengthen communities.

And we couldn't do any of it without you.



Big Brothers Big Sisters is one of the only prevention programs in Wyoming proven to affect a broad range of social issues. Program evaluations consistently show that after entering the program, children are less likely to become delinquent, use alcohol, tobacco or drugs, or drop out of school. Thus, investing in Big Brothers Big Sisters is more cost effective than investing in single issue prevention programs.


Big Brothers Big Sisters of America received four out of four stars for organizational efficiency by Charity Navigator. In addition, the American Institute of Philanthropy ( awarded Big Brothers Big Sisters of America an A+ in its list of Top-Rated Charities – one of only two national youth-development organizations to receive this recognition.

Big Brothers Big Sisters is the oldest, largest and most effective youth mentoring organization in the United States. We have been the leader in one-to-one youth service for more than a century, developing positive relationships that have a direct and lasting impact on the lives of young people. Big Brothers Big Sisters mentors children, ages 5 through high school graduation, in communities across the country - including ours.

Big Brothers Big Sisters Vision: all children achieve success in life.

Big Brothers Big Sisters Mission: provide children facing adversity with strong and enduring, professionally supported one-to-one relationships that change their lives for the better, forever.

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