Students switching school districts and not using their SSN will have a new number assigned to them. The EMIS system was proposed in 1989 and set to begin operation in July, 1991. This suit is up for decision in Hamilton County Common Pleas court this month. People don't do that anymore. The article also mentions a similar system in Texas, and says the Texas system has not been challenged on privacy grounds.
Defenders argue that the likelihood of success of such ploys is negligible.
However, four other major Canadian banks refuse to provide client-card numbers to market research firms. The Consumers' Association of Canada objects to all banks' providing outsiders with customer information of any kind without the client's permission. The Royal Bank argues that because its market research is for its own internal use, it does not need to ask for such permission. This bi-state agency has some surprising powers to ignore local and even many state laws and regulations. The building grossly violates local NYC building and fire codes.