http://www.shu.edu/academics/requirements-for-admission-to-the-4-3-program.cfm lists the requirements:
In order to successfully transition to the M.D. portion of the program, students must:
Have a cumulative GPA of at least 3.5 at the end freshman year, 3.6 cumulative GPA at the end of sophomore year and a 3.7 cumulative GPA at the end of junior and senior year.
Earn at least a B or better in all of the prerequisite courses on your first attempt
Earn an MCAT score in the top 20th percentile. The MCAT must be taken no later than September 30th of the year before you expect to begin medical school. If you repeat your MCAT, all scores will be considered.
Submit your application and all required materials to the School of Medicine no later than November 1 of your senior year, using the American Medical College Application Service application and a SOM Secondary Application
Establish residency in New Jersey before the end of your junior year at Seton Hall
Have a successful interview with the School of Medicine admissions committee in the fall of your senior year at Seton Hall University in which the many other factors to be considered in the SOM’s holistic application process will be explored
Not engage in any unbecoming, unethical or unprofessional conduct as evaluated by the SOM Admissions Committee.
Perhaps others can give you an idea of how likely you are to get medical school interviews with a 3.7 college GPA and top 20% MCAT score.
Also, take note of the total costs of Seton Hall undergraduate + Seton Hall medical school in comparison to your other possible undergraduate and medical school costs.