Personal. According to information from official website of Guangyuan Education Bureau, Dadong is a private full-time junior high school founded by Ms. Feng, an entrepreneur. Guangyuan Dadong Cai Ying School is located in the center of Dongba District, the main city of Guangyuan City. Since its establishment, the school has been adhering to the educational concept of "student-oriented, multi-inspired, promoting individuality and all-round development".