


Measuring impact is at the heart of how we work at Big Brothers Big Sisters of Greater Pittsburgh. Our approach is clear — measure, learn, approve, and repeat. Together, we’re building a movement that changes lives today and strengthens society for generations to come.





Groundbreaking research from a longitudinal economic study titles, “The Long-Term Impacts of Mentors: Evidence from Experimental and Administrative Data” confirms that mentoring delivers real, measurable ecomonomic outcomes.


Less likely to begin using illegal drugs

Less likely to begin using alcohol

Less likely to skip school

Less likely to skip a class

Less likely to hit someone