Essay about an influential teacher?

<p>One of the essay prompts on the common app is to "Indicate a person who has had a significant influence on you, and describe that influence."</p>

<p>I've started writing about a teacher I had during my sophomore year of high school who really inspired me and had a huge influence on what I want to do with my life.</p>

<p>Has anyone had success with an essay like this? Any tips?</p>