The examination is an indication of the quality in Thai student. Every time after teaching to complete. They have to a test to know that students understand more or less. Many people believe that the exam can explain about knowledge of students. Such as student’s ability to pass an examination must indicate some of his mental powers as well as his grasp of the subjects that he has studied. In addition, the result exam can provide the knowledge level of the student because each student has different skills. Which some students have to take the time to learn more. But some students can learn easily. Lead to can provide student who has knowledge in the same level.