Before 1934 By Aaron Spuler | October 31, 2013 | 1 FacebookTwitterMoreEmailLinkedInPinterestPocketPrintRedditTelegramTumblrWhatsApp
If you ignore shootings that occurred at schools in 1764, 1853, 1859, 1867 (2), 1868, 1871, 1873, 1876, 1879, 1884 (2), 1887, 1889, 1890 (2), 1891 (3), 1892, 1893, 1896, 1898 (2), 1900 (2), 1902, 1903 (3), 1904 (4), 1905 (2), 1906 (3), 1907 (2), 1908 (4), 1909 (5), 1910 (3), 1911, 1912 (2), 1913, 1919 (2), 1920, 1921, 1927 (2), 1930, 1931, and 1933.
http://en.wikipedia.org/wiki/List_of_school_shootings_in_the_United_States