1. Teaching staff: Longjing No.3 Middle School adheres to the school-running goal of "first-class management, first-class teachers and first-class quality", constructs modern school management norms that combine scientific management with people-oriented management, and promotes the process of school democratic management. Yanji No.3 Middle School adheres to the school-running philosophy of "facing all, developing in an all-round way, improving quality, running a school with characteristics, and adding qualifications and specialties".

2. Establishment time: Longjing No.3 Middle School, a full-time and complete middle school for Han nationality, formerly known as dongxing city No.2 Primary School, Dongxing Middle School was founded in Dongxing School 192 1. Yanji No.3 Senior High School was established in August 2000, and it is a senior high school directly under Yanji Education Bureau.