What about test scores?

GRE scores are an important part of the application, but equal or greater weight is given to other components, such as grades and letters of recommendation. While the average admitted applicant has a combined verbal and quantitative GRE score of 1350 or higher, candidates with lower scores will be given serious consideration if other parts of the application are extraordinary . We have admitted applicants with scores as low as 1200. We do not require the GRE subject test, although many schools do, as well as some of the national fellowship competitions. The GRE must have been taken within the last five years. We do not accept substitutes, such as the MAT, in lieu of the GRE. 

Foreign applicants who do not have a degree from an English-language institution must take the TOEFL exam. Harvard requires a score of 80 or higher on the internet-based test.