If you will be applying for grad schools in Astronomy, Physics, or any other subject, you might want to check out an article from the AstroBetter blog about which schools require scores from the Graduate Record Examination (GRE).
There has been a lot of discussion in recent years about how GRE scores should be used, and what (if anything) they predict. The article linked above itself has many links that can give you a lot of background. The American Astronomical Society (AAS) recently issued this statement on the GRE:
Given the research indicating that the GRE and PGRE are poor predictors of graduate student success, that their use in graduate admissions has a particularly negative impact on underrepresented groups, and that they represent a financial burden for many students in pursuing advanced degrees in the astronomical sciences, the AAS recommends that graduate programs eliminate or make optional the GRE and PGRE as metrics of evaluation for graduate applicants. If GRE or PGRE scores are used, the AAS recommends that admissions criteria account explicitly for the known systematics in scores as a function of gender, race, and socioeconomic status, and that cutoff scores not be used to eliminate candidates from admission, scholarships/fellowships, or financial support, in accordance with ETS recommendations.
Check out the article! It’s very important. This is one piece of information that you can use when putting together a list of places you are applying to.