The answer is unequivocally yes! If you could not increase your scores, and potentially by a lot, there would be no test prep. industry. Very similar to studying a subject, you can increase your scores by learning the techniques for the test-whether it be the SAT/ACT, GRE, GMAT, FCAT, etc. For example, the SAT & ACT have very similar patterns that they have been using for decades. Somebody who is well versed in the tests can show you the techniques and give you confidence along the way – while you watch your scores climb and open doors and more colleges.