1. NYU-Poly is the new name of Polytech University after it merges with NYU. The name is confusing and probably a few people will apply there thinking they apply to NYU
Poly program admits a couple of hundred students a year while programs like NYU, Baruch admit around 30 students a year. You can do the math to see your chance of getting a job out of each school.
In NYC, the highly regarded programs are Baruch, NYU, Columbia MFE, CMU. There are a few other programs but they are considered of lower quality.
Just go to Quantnet. com and start learning about each program to make your own decision.
2) You can find salary from the program website. Programs from Baruch, CMU, UCB post the salary