The Application And Studying Of Data Mining In Educational Administration System Of Middle School

The 21st century is the era of knowledge-driven economy, and it is an overall informational zed era for each field of the society especially in education. The level of education information and effective occupying percentage of digitized teaching resources has become an important sign which weighs a country or the regional educational modernization process. The education information is a lifeline of education in the 21st century. In management of a middle school, educational administration is a key work and an indispensable important link . It involves all respects of teaching and provides safeguard for the harmony of teaching. Educational administration is also a tie of every teaching department.At present, the enrollment of most middle school has all already been up to scale of as many as thousand even more than a thousand ; teacher' s number has been above a hundred too . Various kinds of systems and databases are using in the school, for example, roll management, achievement management and so on. A large amount of data has been already accumulated. The administrative staff can only obtain superficial information by simple statistics or sequencing functions, because of lacking the information consciousness and technology, the information hidden in the large amount of data has never got application. Many schools are considering the following question: how to utilize the data again, how to translate the existing management data into the knowledge suitable for using, how to improve management decision-making in school and improve management level and teaching quality.Data warehouse and data mining are two of the most active branches of database studying, developing and application, and also the key factors of DSS. Data warehouse is a decision supporting, subject-oriented, integrated, stable and time-dependent collection of data. By mean of objective statistics and just analysis, data mining can find the potential law from a large number of data , and find out the implicit mode , data mining can grasp the future trends accurately to meet the demands of teaching management of school in the further . Data mining can solve these problems and use the function of the information system effectively.The combination of educational administration management and data mining is mainly discussed in this paper, and draws the useful hiding information from a large number of data. The paper according to the concrete conditions of present educational administration management , analyses that various kinds of methods in technology and the construction of the data warehouse. Apply the method of association rule data mining to teaching. From teaching value data, carry on data mining and find relation problem of classroom teaching effect and teachers' states, in the period of classes arrange, pay attention to rational distribution of age, the title of a technical post, and educational background of teachers in one class. In additional, combine school current situation of business treatment, apply the method of decision tree to Grade-Nine student achievement data, find out associated rules to value the teachers' teaching quality, thus offered the decision support information for teaching department, impel and launch the work of teaching, and finally improve teaching quality.