With RAP replacing most federal income-driven repayment plans and private lenders continuing to advertise lower rates, refinancing federal student loans privately is a question a lot of borrowers are weighing again in 2026. A lower rate is real, immediate savings. But the decision is permanent, and what you give up in exchange deserves at least as much attention as what you gain.
What refinancing actually does
Refinancing means a private lender pays off your existing federal loan balance and issues you a brand-new private loan, typically at a different (often lower, if your credit and income are strong) interest rate. From that point forward, your loan is no longer a federal loan in any sense — it's governed entirely by the private lender's terms, not by federal student loan law.
The three protections you give up
First, you lose eligibility for federal income-driven repayment plans, including RAP — if your income drops or you hit a rough financial stretch, there's no federal formula adjusting your payment to match. Second, you lose eligibility for federal forgiveness programs, most notably Public Service Loan Forgiveness (PSLF) for borrowers working in qualifying public-service or nonprofit jobs — years of progress toward forgiveness on a federal loan can't be preserved after refinancing into a private one. Third, you lose federal deferment and forbearance options, the temporary payment-pause tools the federal government has used during past national emergencies and offers routinely for situations like unemployment or economic hardship; private lenders may offer their own hardship programs, but they are not required to and are typically far more limited.
The decision is permanent
There is no undo button. Once your federal loan becomes a private loan through refinancing, it cannot be converted back into a federal loan under any circumstances. This is different from, say, switching between federal repayment plans, which you can generally do more than once. That permanence is exactly why the decision deserves more scrutiny than a simple rate comparison — you're not just choosing a lower payment, you're permanently opting out of an entire safety net.
When it tends to make sense
Private refinancing tends to be a reasonable fit for borrowers with secure, stable income, strong enough credit to actually secure a meaningfully lower rate (the savings need to be real, not marginal), and no realistic path or interest in loan forgiveness programs like PSLF. It makes far less sense for borrowers in public service careers working toward PSLF, borrowers with less certain income or job security, or anyone who might need an income-driven repayment option like RAP down the road.
Common mistakes
The biggest mistake is comparing only the interest rate and ignoring the protections lost — a 2-point rate cut can look attractive right up until an unexpected job loss, with no federal safety net left to fall back on. The second is refinancing loans you're actively counting toward PSLF, forfeiting years of qualifying payments in the process. The third is refinancing ALL federal loans at once instead of considering a selective approach — refinancing only specific higher-rate loans while keeping others under federal protection.