<p>Snboarder592: I was also wondering about Revolution Prep. My son took a mock SAT with them a few weeks ago (with his school) and his results were 230 points lower than he got on fall PSATs (if on 2400 scale rather than 240). He actually studied a bit for the mock SAT and took the PSAT cold.
Do these testing companies purposefully give hard tests for their diagnositic tests to panic parents and get them to sign them up fior their prep courses? Or is 230 points just within the normal margin or error, depending on whether your kid had a good day or not?</p>