Is my PSAT score good for a sopre, and how should I increase it?

I am a National Merit Finalist, and my sopre year I scored 178. I brought it up 40 points my junior year to achieve finalist standing. If it is your goal to become a finalist (which you SHOULD given you want to go to an ivy league school) then you will need to improve a LOT. However, if you start studying for the SAT during your junior year, you should be able to improve your PSAT as well. If you don't become a national merit finalist or semifinalist, the PSAT really doesnt matter much. Definitely work on your math, but you can do better in all categories. It might be beneficial to you to find a good tutor. I went to a very expensive and qualified tutor for the ACT (on which I scored a 35) and it helped tremendously with the PSAT too. You just have to get used to taking standardized tests.