One word of caution, though - just because a child scores at a college freshman level on a standardized test doesn't mean he or she is capable of working at that level on a daily basis. At least for the CAT, the grade level indicates how well an *average* college freshman, 8th grader, etc. would do if given the *same* test as your child. So if the average 10th grader is as dumb as a box of rocks, a perfect score would place your 6th grader at a PhD level.
So pay attention to what the grade level placement *really* means, and most of all, look at the test questions themselves. Take note of any trends in missed and aced questions. Be aware that test taking itself is also a learned skill. I didn't realize that until after I'd washed out on the PSAT and went through the Princeton Review's materials.
As I've said in another post, I recently had my daughter take a test three times. She "should have" aced it the first time. I eventually got it through my thick skull that I had failed to teach her an effective study strategy for that type of test. She aced it the third time.
Get tips for busy homeschool parents trying to choose the right test and prepare students for high school test success.
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