Chenghai Middle School was founded in September 1915, is one of the earliest county secondary schools in eastern Guangdong. In April 1914, due to the beginning of the Republic of China Chenghai County began to build a modern elementary school, the number of graduates is increasing, and there is no secondary school in Chenghai, most of the students can not continue to further their education, the establishment of secondary schools to cultivate talent calls for a lot of support in the then Chenghai County Governor Lu Guobin, by the persuasion of the director of the Li Shiduo petitioned for the approval of the provincial government to establish a secondary school, the site of the old Chenghai City, Chenggong Department (now Chenghai District Public Theater), began to raise funds to build a school building. Construction of school buildings. In September 1915, the school was completed, the county governor Lu Guobin wrote "Chenghai middle school completion record". The first principal was Li Jinglian. In the following ten years, the school building, auditorium, library, dormitory and playground were gradually built. In 1919, after the outbreak of the May Fourth Movement, the school set up a student union in May, leading the students to boycott Japanese goods, opposing the treaty of betrayal, and publicizing the new culture. In 1925, when the "May 30th Tragedy" occurred, teachers and students held reports and organized propaganda teams to go to the countryside to mobilize the farmers to set up the Farmers' Association. In November, Du Guoziang was appointed as the principal of the school, and Chenghai Middle School was named Chenghai County High School. The school hired progressive teachers and began to admit female students, setting a precedent for co-education. In the spring of 1926, Wang Dingxin took over the post of principal and was determined to reform the school by building an additional playground and collecting donations to expand the school building and library building. In April 1927, the first national *** cooperation broke down, the Kuomintang army surrounded the Chenghai Middle School, arrested *** members of the Communist Party, and teachers and students inclined to *** the Communist Party, the school was closed, teachers and students scattered. In the fall of 1930, Chenghai Middle School gradually resumed classes, and then added a two-year teacher training course, which was changed to a three-year teacher training course in the following year. In 1935, Chenghai Middle School was changed into a four-year high school, and at the same time set up an attached elementary school. After the outbreak of the war of resistance against Japan, in 1939, the Japanese invaders landed in the Chaoshan area, Chenghai County fell in June, Chenghai High School school buildings were razed to the ground, the classroom, teaching aids were destroyed, the school was transferred to Rao Ping Fushan set up office, once the opportunity to resume classes. In 1940, Chenghai secondary school school organs moved back to Chenghai Zhanglin, presided over by Zhu Mingzong principal, selected the old site of Guangzhi Primary School, Fengbo Temple (now Chenghai District, Su Bei Middle School site) to run the school resumed classes. In 1942, Chenghai middle school founded the first high school. In November 1943, the Japanese invasion of Zhanglin, Dongli, Chenghai High School suspended school. In 1944, chenghai middle school again moved to raoping fushan, in dongguanxiang borrow ancestral temple more than ten and two private houses, temporarily set up as a classroom, continue to run a difficult school. In 1945 the war of resistance against Japan, Chenghai restored. Yu simulation of the principal back to Chengcheng survey of the old school site, found that has been in ruins, so temporarily borrowed Bisheng Hospital (now Chenghai Hospital of Traditional Chinese Medicine) as a temporary school site. But because of the site is small, not enough to accommodate the whole school teachers and students, is the establishment of a new school building design committee, selected the old site of the Chenghai Palace (i.e., the current school site) as the new school site, and commissioned the construction company to send engineers Mr. Xie Xijia campus architectural survey and design. On June 6, 1946, Chenghai Middle School campus foundation stone laying, began construction. But because of the lack of funds, to 1949 only completed the school gate, 12 cottage classrooms and an interruption of the construction of the auditorium, the school barely continue to operate. In 1951 the county people's government grants to continue to build school buildings, and will be the old county Yamen site and adjacent to more than ten cottages allocated to the Chenghai Middle School, will be a few overseas Chinese houses in Jincheng Lane, lent to the Chenghai Middle School to do the student dormitory. In the following years, before the liberation of the classroom, auditorium and school affairs office has been completed, athletic field, science museum, library, dining hall, medical room and student dormitories were built. In 1953, Chenghai County High School was renamed Chenghai County First High School. In 1966, the Cultural Revolution began, Chenghai County First Middle School was renamed Chenghai Red Flag Middle School. Subsequently Chenghai middle school by the rebels smashed, teachers and students were driven out of school, Chenghai suspended classes, since then the school building was idle for a time. In January 1969, the red flag middle school was abolished and merged into the Chenghai Yan'an middle school, the students returned to the Chengzhong school building for classes. In August 1969, Chenghai Yan'an Middle School renamed Chenghai Middle School. In 1978, chenghai middle school was designated as the county key middle school. In 1979, because of the Chenghai middle school laboratory conditions are poor, equipment defective, by the government grants, Thai alumni funding the construction of science building, but due to lack of funds, only three floors were built and then stopped building. In 1984, due to the early 80s, Jincheng Lane, overseas Chinese houses are returned to the owners of overseas Chinese, student dormitory no place, the school added a five-story student dormitory building. In 1989, the government invested funds to continue the construction of science building, the same year, Chengzhong Hong Kong Alumni Association donated the construction of retired teachers and staff activities room "sequence of paradise" also started construction and delivery. In December 1994, chenghai middle school was rated as a first-class school in guangdong province. Since 1992, because of the Chengzhong school scale continues to expand, the use of nearly 50 years of the old cottage school buildings have been dilapidated, in the government support, Chengzhong re-planning the layout of the school building, and invite architectural experts, the original Chengzhong school building designer Mr. Xie Xijia, Mr. Lin Shengjian and others to produce the master plan for school building renovation program, and began the implementation of the Chengzhong school building renovation project, by the government allocation as a start-up capital, Thailand, Hong Kong, Shenzhen, Guangzhou, Shantou, Guangzhou, Chenghai Chengzhong alumni donations, phased demolition of the old bungalow classrooms, school offices. To 1997, the first and second phase of the completion of the project, the original school building in addition to the school gate to retain, the old buildings were demolished, and successively built the Yingnan Library, Chunhui building, Changhai building, Zefang building, Sanle building, cafeteria restaurant complex, the second and third student dormitory, Jingxing building, Fengqi building, and then started the third phase of the expansion project. In September 1998, chenghai middle school junior high school stopped new student enrollment. In July 2000, the last Chenghai middle school junior high school graduates graduated. In September 2000, Chenghai Middle School Junior High School ceased to operate, the transition to senior high school. In April 2008, chenghai middle school through the guangdong province general high school teaching level assessment and national model general high school confirmation acceptance.