The Stanford Achievement Test is a standardized test that your child will take to determine how well he is doing in school. Although not necessarily an indicator of future success, understanding the Stanford Achievement Test results can show you the areas in which your child may need additional help. Some parents have difficulty when trying to interpret results of a Stanford Achievement Test, but if you can break the code, you'll find that it's easy to figure out the Stanford Achievement Test results.

Look at the raw score and number of items. You'll find this at the upper left corner of the test results. This will tell you how many questions were on the exam and how many answers your child got right. This is not statistically important.

Understand "Natl PR-S." This is the percentile into which your child fell when compared with other students on a national level. The score means that your child did better than that percentage of students nationally. For example, if your child is in the 80th percentile, it means that she did better than 80 percent of the students who took the test.

Compare your child with other students in his school. Under the national percentile, you'll also see a score that compares your child with the others in his school. You read the numbers the same as you would for the national percentile, but you are comparing with a smaller pool of students.

Interpret the grade equivalent. Note that this does not say that your child is performing at that grade level. It means that a student at that same grade level would have gotten the same score as your child if she were to take the same test as your child.

Find the percentile bands. These should be in the upper right corner. This is an estimate of the percentile range in which your student would score should he retake the same examination.

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