Acceptance rate is percentage of students accepted by the university out of all applicants. For example, if 7 students are accepted out of 100 applicants, the acceptance rate is 7%.
Universities / Grad Schools with lowest Acceptance rate in USA:
| University | Location | Acceptance Rate |
| Harvard University | Cambridge, MA | 7 |
| Stanford University | Stanford, CA | 7 |
| Yale University | New Haven, CT | 8 |
| Brown University | Providence, RI | 9 |
| Princeton University | Princeton, NJ | 9 |
| Columbia University | New York, NY | 10 |
| Massachusetts Institute of Technology | Cambridge, MA | 10 |
| Dartmouth College | Hanover, NH | 12 |
| California Institute of Technology | Pasadena, CA | 13 |
| University of Pennsylvania | Philadelphia, PA | 14 |



