Achievement Testing: Why Test?
Testing has flaws and scientific limits, but it can be useful in two ways. One, it can provide the home schooling parent with some insight on their student’s academic progress. It may even help a parent understand their student’s challenges. Two, it can be a means for a home school program to verify their constituents are effectively educating their children. Since the organization vouches for the student’s education, it must retain the right to verify as well.