In 1860, as the Civil War approached, a student set the buildings on fire. The campus was partially destroyed and the Superintendent's residence was consumed. During the Civil War, the school remained closed. KMI wintered in
Eau Gallie, Florida, beginning in 1907 (when it bought that
ghost town) to 1921 (when the Eau Gallie campus burned to the ground).{{cite web Due to financial troubles, the Florida campus moved many times in the late 19th and early 20th centuries, and was closed in 1924; it reopened the next year. It moved to
Venice, Florida, in 1932, where winter classes were already being held. Charles B. Richmond was appointed as superintendent and the school thrived until the late 1960s. == Closure ==