>They need your SS# if they are paying you and need to withhold taxes. They also need it for the 1098-T (Tuition Statement). That's not to say they couldn't de

>They need your SS# if they are paying you and need to withhold taxes. They also need it for the 1098-T (Tuition Statement). That's not to say they couldn't design better systems and not use SSN as an identifier, but there is a legitimate need for it.