Elmira School July 11, 2015 Trey The Elmira school, built probably in 1902, now lost to time. The high school began holding classes in 1902. The last HS class was 1915. Grade school students kept the halls noisy until 1952, when the Elmira school district consolidated with nearby Osceola. The building is privately owned now, withering away beneath the heat and wind, the snow, of north-central Illinois