Letter of Intent

Within 250-400 words: Write a professional letter of intent for the Doctoral program. My major is in Psychology, with an emphasis on Cognition & Instruction. Attached is the letter of intent template please use it. 

Make it sound very professional please.. for the part that says once I receive my degree.. I want to be a professor & teach psychology.

I attached a link in regard to the doctoral program i'm interested in just for your reference.