Yongzhou Boya Middle School. Dongan County is a county under the jurisdiction of Yongzhou City, Hunan Province. Repetition refers to one year after the college entrance examination. According to official website, Dongan County Education Bureau, there is only one college entrance examination repeat school in Dongan County, namely Yongzhou Boya Senior High School, which is a private ordinary high school approved by Hunan Provincial Education Department, Yongzhou Education Bureau and Dongan Education Bureau. For more information, please go to official website.