The quaintly named Valentine, Nebraska is a small town near the South Dakota border with a population of only a few thousand people. It holds the honors of housing Centennial Hall, Nebraska’s oldest standing school, built in 1897. According to local legend, a student at the school was murdered in Centennial Hall in 1944. The young unnamed girl was a clarinetist, and her friend poisoned her clarinet reed. When the girl put the clarinet in her mouth to play, she died from the poisonous reed. Before the school was converted into a museum, teachers would report seeing a ghostly apparition and feeling a feeling of dread or unease. Now, you…