Letter of intent

Recently, I was deferred from Boston College (early action). So, I was wondering if i should write a letter of intent to Boston College to show that I am intrested in going there, but should I? Also, should I write a letter of intent to a college i haven’t heard back from yet?

It isn’t a letter of intent, but a letter of continued interest. Yes, you can write a letter telling them that you will attend if accepted, but, to be safe, only commit to that if you can afford to do so without financial aid. In the letter you should update them on any recent awards or major accomplishments too.