To address your points:
TCNJ is a small primarily undergraduate non-research regional liberal arts based college. Stevens is a national research doctoral technological university with $66 million in sponsored research annually, including three government sponsored National Centers of Excellence.
Stevens has a 7 year accelerated medical program with the former UMDNJ (now Rutgers medical school). It is truly highly selective. The minimum standards of admission to that program are SAT 1400, 3 SAT Ii tests in top 10%, and top 10% of the high school class. The accelerated students get a BS in chemical/molecular biology or BE in biomedical engineering. The medical school has, and continues to, accept many Stevens graduates both from the accelerated and regular programs in both science and engineering of all disciplines.
Stevens has had a school of business since 1870 (it wasn’t called that until recently). In technology management and financial engineering it is ranked in the top 10 by the major quantitative finance publications. Stevens busineess/QF/FE graduates are far more analytically trained than those of liberal arts colleges conferring upon them superior decision making and problem solving acumen. This is reflected in the rate at which Stevens B-school graduates are snapped up by the major investment banks.
Finally, Stevens accepts only 39% of its applicants and their average HS GPA is 3.9 and average SAT of 1352 (math/verbal 1600 scale) which is the top 11% of SAT takers (that’s the overall for the university, programs such as the aforementioned accelerated medical are higher). Those statistics are the highest of all NJ institutions of higher learning (with only one exception).