With the deepening of the comprehensive reform of the college entrance examination, the reform of the education mode of ordinary high schools is also advancing steadily. In this context, the direction of the new college entrance examination has also changed, focusing more on the examination of students' core literacy and learning ability. Therefore, only by deepening the reform, improving the quality of school education, improving their own competitiveness, and actively docking the new requirements of the country for personnel training, can we achieve high-quality development of high school education. High school principals should base on the background of the new college entrance examination, change the concepts of school management, teacher management, student management and campus culture construction, implement the fundamental task of cultivating morality and cultivating people, actively promote the curriculum ideological and political construction, "five education" and other educational concepts, and further improve the level of school education management. Along with the new curriculum standards and quality education concept to put forward and continuously promote, China's high school education also ushered in a new trend of development. The rapid development of information technology also makes the management requirements of high school more and more stringent. The high school period is an important juncture between higher education and basic education, and it is also a critical period for students' learning career. With the rapid development of science and technology, the management system of high school has also undergone considerable changes. The management of senior high school plays an important role in the development of students' physical and mental health in the future. How to improve the management of senior high school in the information technology environment is a topic that the society pays close attention to.