You are comparing academically heterogeneous schools to some extent. By the standardized scoring of their students, and therefore quite possibly by their students’ levels of academic preparation, UR is 60th in the US and UCD is 189th. In terms of the vast differences to which you referred, this may be the greatest. You could override this baseline factor based on other considerations, but at least you should be aware of it.
(“610 Smartest Colleges,” Business Insider.)