All three schools are great LACs that produce good candidates for med schools. There is no differences to the eye of med school adcomms between them. Whats important is how your kid perform in the school, not from which school. med school prerequisite courses are all cut throat in all and any schools. There are limit number of As the professor will hand out and if you cannot get them, you will have problems in getting into med school.
As WOWM said above, choose the most compatible school and happy student gets the higher scores.