Syracuse is a private university. It is also a major research university. There are a lot of expensive private universities.
Out of state public universities can be VERY costly too.
A school doesn’t need to be a reach school to be expensive.
Also…are you divorced? Do you own a business or are you self employed? Do you own real estate other than your primary residence? Are you international parents who earn their money abroad?
If yes to any of the above, the net price calculator MIGHT not be as accurate.