Privacy Protection Method for Test Score Publishing

The test scores of students sometimes need to be analyzed, but unlike other types of data table, the test scores data has own characteristics, so the existing publication methods cannot be directly used on test scores data table. In order to solve this problem, this paper takes the characteristics of the test scores data publication into account, and presents a safe publication method for test scores. The new publication method can provide better privacy for students, and the experiment result shows the information loss of this method is acceptable.