This chronological list of school shootings in the United States before the 21st century includes any school shootings that occurred at a K-12 public or private school, as well as colleges and universities, and on school buses. Excluded from this list are the following:
Shooting by school staff, where the only victims are other employees, are covered at workplace killings. This list does not include the 1970 Kent State shootings, or bombings such as the Bath School disaster.
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18th century.
1760s.
 incident.
19th century.
1840s.
 incident.
1850s.
 incidents.
1860s.
 incidents.
1870s.
 incidents.
1880s.
 incidents.
1890s.
 incidents.
Total incidents listed here in this section (19th century):
20th century.
1900s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1903* 1904* 1905* 1907* 1908* 1909
1910s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1910* 1911* 1912* 1914* 1915* 1916* 1917* 1918* 1919
1920s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1920* 1922* 1926
1930s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1930* 1931* 1934* 1936* 1937* 1938
1940s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1940* 1942* 1946* 1948* 1949
1950s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1950* 1951* 1952* 1953* 1954* 1955* 1956* 1957* 1958* 1959
1960s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1960* 1961* 1962* 1963* 1966* 1967* 1968* 1969
1970s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1970* 1971* 1972* 1973* 1974* 1975* 1976* 1977* 1978* 1979
1980s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1980* 1981* 1982* 1983* 1984* 1985* 1986* 1987* 1988* 1989
1990s.
 incidents.
 ;templatestyles src="TOC top/styles.css"/ ;
 ;templatestyles src="Hlist/styles.css"/ ;* 1990* 1991* 1992* 1993* 1994* 1995* 1996* 1997* 1998* 1999
Total number of 20th century incidents listed here:
Notes.
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References.
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