<Tr> <Td> September 3, 2015 </Td> <Td> Sacramento, California! Sacramento, California </Td> <Td> </Td> <Td> </Td> <Td> A man was arguing with at least one other person escalated into a physical fight on the parking lot of Sacramento City College . A man opened fire, killing a 25 - year - old student and wounding two others . The shooting suspect has not been arrested . </Td> </Tr> <Tr> <Td> September 14, 2015 </Td> <Td> Cleveland, Mississippi! Cleveland, Mississippi </Td> <Td> </Td> <Td> 0 </Td> <Td> A geography professor at Delta State University fatally shot a fellow history professor . The geography professor was chased by police and eventually died of a self - inflicted gunshot wound . </Td> </Tr> <Tr> <Td> September 30, 2015 </Td> <Td> Harrisburg, South Dakota! Harrisburg, South Dakota </Td> <Td> 0 </Td> <Td> </Td> <Td> A principal was shot in the arm and wounded at Harrisburg High School after an argument with a student . The suspect, a 16 - year - old student at the school, was taken into custody and is charged with first - degree attempted murder . </Td> </Tr> <Tr> <Td> October 1, 2015 </Td> <Td> Roseburg, Oregon! Roseburg, Oregon </Td> <Td> 10 </Td> <Td> 9 </Td> <Td> Umpqua Community College shooting: At around 10: 40 a.m. PDT, a gunman, later identified as 26 - year - old student Christopher Harper - Mercer, opened fire in a hall on the Umpqua Community College campus, killing eight students and one teacher, and injuring nine others . The gunman later committed suicide after engaging responding police officers in a brief gunfight . </Td> </Tr>

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