4. They are calculated using a methodology that focuses on a school's research performance and reputation, not its specific undergraduate or graduate programs. This is a separate methodology than those used for other US News rankings such as Best Colleges and Best Graduate Schools.
5. Private investment for the year ended October was up 2.9 per cent, up 0.4 percentage points, while state investment dropped 1.1 percentage points to 20.5 per cent.