Do I need to be related to my co-signer? January 21, 2021 15:41 Updated No, we do not require that the co-signer is related to the student. Related articles What is the minimum credit score a student must have to qualify for a SoFi Private Student Loan? Does SoFi offer a co-signer release for their Private Student Loans? On my SoFi Private Student Loan, can I have a co-signer who is not a US Citizen? For Private Student Loans,does SoFi offer any special discounts or forgiveness program for those in the military? What proof do you need in order to verify being in the military? Do you offer Private Student Loans to international students or permanent residents?