JOIN A FORWARD-THINKING ORGANIZATION THAT HAS BEEN PROVEN TO MAKE A POSITIVE IMPACT ON CHILDREN’S LIVES. Big Brothers Big Sisters Independence Region (BBBS IR) is proud to have achieved a 4-star rating by Charity Navigator, their highest level of distinction. BBBS IR is the third largest BBBS agency in the nation. Its mission is to provide children facing adversity with strong and enduring, professionally supported one-to-one mentoring relationships that change their lives for the better, forever. Its vision is that all children achieve success in life.