<p>You would have to have clear plans as to why you would like to study as a visiting student. However, keep in mind no financial aid is available, and housing is rarely – if there is any room – available. Each Harvard College class is about $6,000, and if you add in the miscellaneous costs of rent, food, etc., it will easily come to be $20,000 easily if you take a full four half-course load.</p>