Massachusetts Lt. Gov.-elect Karyn Polito (center) visits the JP headquarters of Bottom Line, a national nonprofit that helps low-income students get into and graduate from college, on Dec. 9. Bottom Line is headquartered at 500 Amory St., but has additional offices in Dorchester, Worcester, Chicago and New York City. The organization celebrated the college graduation of its 1,000th student this year. (Photo Courtesy Bottom Line)