Getting a 3.9-4.0 GPA in college is a lot harder than getting a 3.9-4.0 GPA in high school.
https://cse.ucsd.edu/undergraduate/admissions/capped-major-status
If you are from New Jersey, why not go to Rutgers at in-state prices?
Note that while Northeastern builds its curriculum around co-ops, many other schools offer optional co-ops. Check their career center web sites.