Helpful link for variety in word choice and Vocabulary all HS graduates should know...

Enter your text, and this site will give you a break down of how frequently you use the same word... It will help you see where you need variety in your word choice....

http://www.writewords.org.uk/word_count.asp

Vocabulary Link:

http://pinterest.com/pin/264868021812422329/?s=4&m=email