Inspiring all Girls to be strong, smart, and bold. THE MISSION OF GIRLS INC. OF WESTCHESTER COUNTY IS TO INSPIRE ALL GIRLS TO BE STRONG, SMART AND BOLD. Girls Inc. of Westchester is a leadership development and educational enrichment program for girls ages 9-18. We provide programs that education, enlighten, and empower girls to be their best. We focus on self-esteem, critical thinking, character building, educational enrichment, and risk avoidance.