Actually, there are more or less supportive institutions. You want a college that’s not cut- throat but very supportive (without weeding do r example, IE., curved grading that means a specific percentage will get a certain grade depending on class standing and regardless of mastery shown, where professors are happy for undergraduates to work on research with them, and where committee letters are given to all who make it through the process.
The college’s ranking doesn’t matter much - Hendrix, St Edwards, Rhodes, St Olaf, Earlham, Truman State, are all good examples of colleges good for premed. Nor because the classes are special, but because the environment is favorable.
What you could do is calculate a ratio, number of students/ message school admits per thousand, in three categories : reaches for putting, matches for you, safeties for you.