What's the program that you are going to be doing at UMDNJ this summer? If it is Gateway, you have a great chance of getting into NJDS.
Overall, rushing through your academic requirements and DAT is an easy way to perform under par. If I were you, I would wait one more year. It's better to be a strong applicant than to be a young one.
AA21 I TS21 I PAT20
Acceptances: UMDNJ, NYUCD, SUNY Buffalo, Tufts, UPenn
Interviews: NYUCD, UPenn, UMDNJ, SUNY Buffalo, SUNY SB, Maryland, Tufts
Do your best; it's always enough.