Start writing it the summer before senior year.
Also make sure you have done the following:
http://talk.collegeconfidential.com/high-school-life/1905009-rising-seniors-what-to-do-this-summer-and-you-will-be-glad-you-did-come-fall.html#latest
Start writing it the summer before senior year.
Also make sure you have done the following:
http://talk.collegeconfidential.com/high-school-life/1905009-rising-seniors-what-to-do-this-summer-and-you-will-be-glad-you-did-come-fall.html#latest