Can you get a student discount (100 yuan ticket) without a student ID for Shanghai Financial Center?

You cannot get a discount with your passport.

Excuse me if I come off as rude, but your reply is erroneous. I went to official Shanghai World Financial Center website and it said that as long as you are under 23 years old you can get the 100 yuan ticket. I called the place to ask how I may prove that I am under 23 years old, and the reply I got was that a passport is a valid identification. If you are going to answer, you should at least give correct information.

Oh, I am so sorry that I confused the information. I understand that only the students can get a discount and I am so sorry.
Luckily you get the right information and I am really thank you for sharing that with us.