Yes, you can refinance a student loan as a cosigner and take the debt fully into your own name, but only a small number of private lenders offer cosigner-initiated refinancing. Most refinance products require the student — the primary borrower — to submit the application, so you will need to shop specifically for a lender that lets the cosigner apply. When the refinance closes, the original loan is paid off, the student is released, and you become the sole person responsible for the new loan.
What Cosigner Refinancing Actually Does
This is not a way to get off the loan. It is the opposite. The new lender pays off the original balance and issues a fresh loan in your name alone. The original student borrower is released from all responsibility, and you go from being a backup guarantor to the only person on the hook.
That distinguishes it from an ordinary student loan refinance, where the borrower replaces their own loan with a new one at different terms. Here, the legal ownership of the debt shifts. The new loan may carry a different interest rate, a longer or shorter repayment period, or both, but the defining feature is that you alone carry the obligation going forward.
If Your Goal Is to Get Off the Loan, Ask About Cosigner Release First
Before committing to a full refinance, check whether the current lender offers cosigner release. Some private lenders allow a cosigner to be removed from the original loan after the primary borrower makes a set number of consecutive on-time payments — typically 12 to 24 months — and demonstrates the ability to repay independently. The borrower usually needs to pass a credit check on their own to qualify.
Release accomplishes the opposite of cosigner refinancing: it removes you while leaving the original borrower responsible. If you simply want to end your obligation rather than take over the debt, release is the simpler path. Not every lender offers it, and requirements vary, so contact the current servicer directly to ask about availability and eligibility.
Whether You Qualify
Private lenders set financial benchmarks a cosigner must meet to refinance on their own. Credit score thresholds vary, but most require a score in the upper 600s at minimum, with scores of 700 or above typically unlocking the lowest rates. Lenders also evaluate your debt-to-income ratio — the share of your gross monthly income already committed to debt payments. A lower ratio signals greater capacity to handle the new obligation.
Stable employment history strengthens an application. Lenders look for consistent income over at least one to two years, whether with the same employer or within the same field. The loan balance matters too. Most refinance products cover balances starting around $5,000, but cosigners taking over graduate or professional school debt may be refinancing $100,000 or more, which raises the income and creditworthiness bar accordingly.
Because the original loan contract involves the student’s identity and credit profile, most lenders require the primary borrower to consent to the refinance. The student is not applying, but they typically need to authorize the payoff of their existing account and acknowledge that a new borrower is assuming the debt.
Federal Protections You Lose If Any Part of the Loan Is Federal
Cosigners generally appear only on private loans, since federal Direct Loans do not use cosigners.1Federal Student Aid. Federal Versus Private Loans But if any portion of the debt you are taking over is federal — including a Parent PLUS Loan — moving it to a private lender permanently eliminates federal borrower protections. The Department of Education specifically warns that refinancing federal loans into a private loan means giving up:2Federal Student Aid. Should I Refinance My Federal Student Loans Into a Private Loan
- Income-driven repayment plans that cap monthly payments based on income and provide forgiveness after 20 or 25 years of qualifying payments.
- Public Service Loan Forgiveness, which forgives the remaining balance after 120 qualifying payments for borrowers working for qualifying government or nonprofit employers.
- Federal deferment and forbearance for financial hardship, military service, or returning to school. Private lenders may offer limited forbearance, but it is not guaranteed and is typically shorter.
- Subsidized interest benefits, under which the government pays interest during deferment on subsidized federal loans. No private lender replicates this.
- Other discharge options, including teacher loan forgiveness, total and permanent disability discharge, and borrower defense to repayment.
These losses are irreversible. Once a federal loan is refinanced privately, you cannot move it back into the federal system. If the original loan is already private, this concern does not apply.
Fixed Rate or Variable Rate
At refinance you will typically choose between a fixed and a variable interest rate. A fixed rate stays the same for the life of the loan, so your monthly payment never changes. A variable rate usually starts lower than a comparable fixed rate but can increase or decrease over time based on market conditions.
Variable rates are tied to a benchmark index, commonly the Secured Overnight Financing Rate (SOFR), plus a margin set by the lender. When the Federal Reserve raises interest rates, variable loan rates tend to follow. Ask the lender how frequently the rate adjusts and what the lifetime rate cap is. If you plan to repay quickly, a variable rate’s lower starting point may save money. If you expect to carry the loan for many years, a fixed rate offers predictability.
How the Application Works
Lenders verify your identity and financial standing through several documents. Expect to provide recent pay stubs, government-issued identification, and your Social Security number so the lender can pull your credit history. Current loan statements from the original servicer are also required to confirm the outstanding balance and account numbers.
Watch the distinction between the current balance and the payoff amount. Interest accrues daily, so the amount needed to fully close the old loan is slightly higher than the balance shown on a monthly statement. Most servicers can generate a payoff quote — often calculated as a ten-day figure — so the old loan is fully satisfied without leaving a small residual balance that keeps accruing interest.
Most lenders start with a soft credit inquiry to generate an estimated rate. A soft pull does not affect your credit score and lets you compare offers from multiple lenders. If you choose to proceed, the lender performs a hard credit inquiry to finalize approval, which may lower your score by a few points temporarily.3Consumer Financial Protection Bureau. 12 CFR 1026.20 – Disclosure Requirements Regarding Post-Consummation Events
After the hard pull, the lender verifies your income and debt against third-party records. Once approved, you receive a disclosure statement outlining the final loan terms, along with a new promissory note. Signing the promissory note legally binds you to the new terms and triggers the fund transfer that pays off the original loan.
Tax Consequences
Taking over a student loan as a cosigner can affect your eligibility for the student loan interest deduction, which allows taxpayers to deduct up to $2,500 in student loan interest per year.4Office of the Law Revision Counsel. 26 USC 221 – Interest on Education Loans
To claim the deduction, the IRS requires that the loan qualify as a “qualified education loan,” meaning the debt was incurred to pay higher education expenses for you, your spouse, or someone who was your dependent when the loan was originally taken out. Interest on a refinanced loan counts only if the new loan was used to refinance a qualified student loan of the same borrower.5Internal Revenue Service. Publication 970 – Tax Benefits for Education
This “same borrower” rule creates a gray area for cosigner refinancing. If you are a parent who cosigned your child’s loan and your child was your dependent when the original loan was taken out, the interest on your refinanced loan may qualify because the education expenses were incurred on behalf of your dependent. If you cosigned for someone who was not your dependent, such as a friend, a niece or nephew, or an adult child who was financially independent, the deduction likely does not apply because the underlying expenses were not for a qualifying person under the statute.4Office of the Law Revision Counsel. 26 USC 221 – Interest on Education Loans
Income limits also apply. The deduction phases out as your modified adjusted gross income rises and disappears entirely above a certain threshold. IRS Publication 970 lists the current figures for each tax year. You also cannot claim the deduction if you file as married filing separately or if someone else claims you as a dependent.5Internal Revenue Service. Publication 970 – Tax Benefits for Education
Possible Gift Tax Exposure
When you take over a loan the student was originally responsible for, the IRS could view the assumption of their debt as a financial gift. For 2026, the annual gift tax exclusion is $19,000 per recipient. If the value of the debt you take over exceeds that amount, you may need to file a gift tax return (Form 709), though no tax is owed unless your cumulative lifetime gifts exceed the lifetime exclusion of $15,000,000.6Internal Revenue Service. What’s New – Estate and Gift Tax Because the cosigner was already jointly liable on the original loan, the gift tax analysis is not straightforward, so consult a tax professional if the loan balance is substantial.
What Changes Legally Once the Refinance Closes
Once the refinance closes, the original loan contract is fully extinguished. The new lender sends payment directly to the old servicer, ending the legal relationship between both parties and the original lender. A new agreement takes its place, with you as the sole borrower under a different rate and repayment structure.
If the refinance was structured to release the original student, they are no longer legally responsible for the debt or its effect on their credit report. You hold sole responsibility for monthly payments and the remaining principal. The old loan is typically reported as paid in full on credit reports within 30 to 60 days of closing, and the new loan appears on your credit report as a separate open account.
The shift is permanent. Once the original student is released, they cannot be added back to the loan, and you cannot reverse the refinance to restore the old terms. Both parties should understand the long-term implications before signing the promissory note.