1September, 1969, freshman of senior high school entered school and transformed into a complete middle school; /kloc-0 was renamed Chenghai Xin' an Vocational and Technical Middle School at the end of 1984, and secondary vocational education coexisted with ordinary high school education; In September, 20001year, it was renamed Chenghai Xin' an Middle School, retaining the brand of Xin' an Vocational and Technical Middle School and becoming a comprehensive and complete high school.

The school covers an area of 19.4 mu and was completely rebuilt in 2005. After renovation, the construction area is about 1, 2 100 square meters, and the teaching facilities are relatively complete. * * * There are 44 special classrooms, supporting various special laboratories, instrument rooms, computer rooms, audio-visual classrooms, administration, teachers' offices and teachers' dormitories. The layout of campus teaching area, activity area, living area and green belt is reasonable, and the school environment is optimized, beautified and afforested.

With the school spirit of "love, practicality, diligence, strictness and innovation" and the school motto of "respecting teachers, loving students and learning from each other", Xin 'an Middle School has established the school development goal of "striving to run junior high school education well and developing senior high school education vigorously". In the 2006-2007 academic year, 42 classes were held, with 2,653 students and 654,300 faculty members.