I-9's in higher ed [United States]

Any HR in higher ed here? We have many students arrive to campus lacking a ss card or birth certificate, who want to work for the school. Often the documents were left back at home in another state, and they won't be able to get them for months. Some young people tell me their parents refuse point blank to let them take their docs to school.

Does anyone have any advice for me on how to navigate this so kids aren't stuck jobless for a while semester? Is this a common problem all over higher ed?