Xi, the best junior high school in Gaoling District, Xi 'an No.40 Middle School. Xi 'an No.40 Middle School has a long history, profound background and talented people. It is the cradle for students to take off and the fertile ground for teachers to grow up. The school has a United, hard-working, high-quality and pioneering team of teachers, and has trained and brought up a large number of outstanding teachers, including national outstanding class teachers, national outstanding physical education teachers and national outstanding educators. With the open educational concept, leading scientific research level, good quality, enterprising attitude, dedication and down-to-earth style, and the educational concept of "developing potential and personality", the school has trained a number of outstanding students. From the whole reform experiment to the study of differential education, from the attempt of secondary circulation activities to the thinking of innovative education and the exploration of teaching mode under the network environment, we have grasped the most sensitive topic of modern education.