Guannan Senior High School, founded in 1958, is the first batch of provincial key middle schools and four-star key high schools in Jiangsu Province. The school covers an area of 300 mu, and the conditions in the province are first-class: the campus is tree-lined, lush, pavilions and picturesque; Advanced teaching facilities, all classrooms are equipped with multimedia, air conditioning and television; Having standardized provincial laboratories for physics, chemistry, biology and labor technology; Have advanced campus closed-circuit television system, broadcasting system and security monitoring system; There are large libraries, student reading rooms, standard plastic track and field, and youth activity centers; Living facilities are complete, including three student apartments, two student canteens, a large student supermarket, bathrooms and clinics for teachers and students. The whole school is magnificent and has excellent conditions. It is a famous "Hundred Schools Campus" in Lianyungang and an ideal place for students to study and live.

After 50 years of hard work, we have accumulated rich cultural heritage, formed distinctive school-running characteristics and created excellent teachers. The school has special teachers 1 person, 3 municipal chief researchers, 5 municipal academic leaders, 2 municipal famous teachers1person, and 22 masters of education who are studying or have graduated; Eighty-two teachers were commended by the national or provincial education administrative departments, and 90 teachers won the first and second prizes in provincial and municipal teachers' professional skills competitions or excellent class evaluations. Teachers presided over 20 "Eleventh Five-Year" projects in provinces and cities, and the number of projects and researchers ranked first in the city. Teachers publish more than 400 papers in newspapers and periodicals at or above the provincial level every year.

Over the past few years, many students have bathed in the spring breeze of curriculum reform and sucked the rain and dew of knowledge on this irrigated fertile soil. Thousands of outstanding students have gone from this knowledge hall to institutions of higher learning, to the motherland and to the world. The school has been awarded the "Teaching Management Quality Award" by Lianyungang Education Bureau for three consecutive years, and has successively won many honorary titles such as National Sports Traditional School, Jiangsu Advanced School of Moral Education, Jiangsu Modern Education Technology Demonstration School, Jiangsu Excellent Teachers Group, Jiangsu Green School, Jiangsu Demonstration Parent School, Lianyungang Civilized Unit, Lianyungang Advanced School of Quality Education, etc. It is also listed as a student source base by Nanjing University, Nanjing University of Aeronautics and Astronautics, Nanjing University of Science and Technology, Nanjing Normal University, Suzhou University and China University of Mining and Technology.

At present, the whole school is excited and United, and makes unremitting efforts to build Guanchuang into a first-class famous school with characteristics, high quality and modernization in northern Jiangsu and even inside and outside the province!