How much can i improve my current scores

<p>Ok i am not that smart (compared to the people who post on this) but i would really like to know how high i can increase my test scores because i have already increased them a decent amount. yes i know i am "retarded" please dont go elitist on my scores. i also had a tutor
(October 2010) PSAT 166 49 writing, 65 math, 52 CR
Test Date: CR Math Writing Essay Total
PR Mock A 510 620 530 10 1660
PR Mock B 580 650 530 8 1760
PR Mock C 580 680 600 8 1860
PR Mock D 600 740 650 9 1990
Oct. Test 590 720 660 10 1970 (Missed 5 Vocab)</p>

<p>Im taking the test again in December and i would like to know what you guys think i can improve to realistically in each section. Thank you</p>