Girlstart Home / Girlstart Share: NON-PROFIT Girlstart Visit Website 1400 W Anderson Lane Austin, Texas 78757 (512) 916-4775 Visit Our Website LinkedIn Facebook Twitter You Tube About Map About Girlstart’s mission is to increase girls’ interest and engagement in STEM through innovative, nationally recognized informal STEM education programs. What's Nearby? Distance: 5 10 15 20 25 50 mi.