Khan Academy and Improving Placement Scores
Since August 2009, I have had students come and see me (as division chair) to ask about retaking the placement exam to get into a higher course. During these last 5 years, I have always had the students go to the math videos created by math faculty on the EMCC placement website. I also told these students to go to www.khanacademy.org and use this free online resource to assist them. In every case, students placed higher on the placement exam (unfortunately, I did not keep a tally for the number of students this impacted).