Caltech is an unusually focused school. If your only goal is to churn out future STEM PhDs, admitting based on an objective math test is probably not a bad approach.
Harvard's goal, traditionally, has been to [re]produce the ruling class of America, and their admissions criteria are geared accordingly.
Harvard's goal, traditionally, has been to [re]produce the ruling class of America, and their admissions criteria are geared accordingly.