There is no beginning. According to official website, Sanmenxia Education Bureau and Sanmenxia Sunshine Middle School have not yet started enrolling students, and will start enrolling students on August 15, 2023. Sanmenxia City is a prefecture-level city under the jurisdiction of Henan Province, also known as Shanzhou, Swan City and Shangyang. Located in the Yellow River-Henan Golden Triangle area at the junction of Henan, Shanxi and Shaanxi provinces.