Jan. 28: A 17-year-old boy was shot and injured at Hawaii's Roosevelt High School.
Jan. 24: One student was shot and killed on the campus of South Carolina State University in Orangeburg, S.C.
Jan. 21: A gunman shot and killed another man Tuesday inside Purdue University's electrical engineering building. Police arrested suspect Cody Cousins.
Jan. 20: A student was shot and critically injured near a gym at Widener University southwest of Philadelphia.
Jan. 17: Two students were wounded in a shooting inside the gymnasium of the Delaware Valley Charter School in Philadelphia.
Jan. 17: A 16-year-old was shot and wounded within 1,000 feet of the Albany High School campus in Albany, Ga., right after classes were dismissed for the day.
Jan. 14: A 12-year-old boy entered the gym at Berrendo Middle School in Roswell, N.M., and opened fire on students waiting for school to start, wounding two, according to authorities.
Jan. 9: A 17-year-old student at Liberty Technology Magnet High School in Jackson, Tenn., was wounded just outside the school minutes after classes were dismissed for the day.