June 1 1. According to official website, the Education Bureau of Haikou City, the entrance examination for junior high school in Haikou City in 2022 was held on June 22nd. Haikou, also known as "Coconut City", is a prefecture-level city and provincial capital under the jurisdiction of Hainan Province, an international comprehensive transportation hub city, a national "Belt and Road" strategic fulcrum city and a core city of Hainan Free Trade Port.