<p>I know there is a mechanical grading service, but I heard there was one where a real person would grade your essay in 30 minutes. Yes? no?</p>
<p>Sparknotes will grade the essays in their practice tests for a small fee, or free if you own the book, I believe. More information available here:
<a href="http://testprep.sparknotes.com/testcenter/newsat/%5B/url%5D">http://testprep.sparknotes.com/testcenter/newsat/</a></p>