<p>For example, 75% of all those admitted to Yale Law school choose it. However, 50% of Harvard College students admitted to Yale Law and Harvard Law choose Harvard Law. </p>
<p>One reason is finances. It’s often easier to get work of some sort if you stay at the same school. Sometimes, it’s just that you know more about the opportunities. Harvard has pre-law advisers–I think the poster Hanna was one–who live in the dorms and help law school applicants with the process. This cuts down the cost of attending Harvard Law, since you don’t have to pay for housing. </p>
<p>UPenn allows Wharton kids to “submatriculate” and count the first year of law school as the last year of undergrad, thus saving a year of tuition, room and board. That’s a pretty powerful incentive to stay at Penn. (I don’t know if you can do this from arts and sciences. The people I personally know who have done this are Whartonites.) </p>
<p>When students, particularly those who have master’s degrees, stay at the same school, it’s often possible to get undergrad TAing positions, proctor exams, grade exams, etc. because the profs who teach undergrad courses know you.</p>