Answer: No. The student should insert all zeros for the parents’ Social Security numbers. More information on this topic is available at https://studentaid.ed.gov/sa/sites/default/files/financial-aid-and-undocumented-students.pdf.
On the FAFSA, for students with legal status, but whose parents are undocumented, can the student just leave the parents’ Social Security number blank?
Oct 24, 2017 | Q and A