A private student loan is money you borrow from a bank, credit union, or online lender instead of the federal government. That single difference changes everything about how the loan behaves. Federal loans are built around your income and your life circumstances, while private loans are built around your credit score. If you understand which world you are in, you avoid the mistake of treating a private loan like a federal one.
Private vs Federal at a Glance
The fastest way to see the gap is side by side. Federal loans come with fixed rates set by Congress, income-driven repayment, forgiveness paths, and generous pause options. Private loans come with none of that by default.
- Rates: Federal rates are fixed and the same for everyone in a given year. Private rates are set by your credit and can be fixed or variable.
- Approval: Federal loans do not check your credit. Private loans run a credit check, and most undergraduates need a co-signer to qualify.
- Repayment: Federal loans offer income-driven plans that drop the bill with your earnings. Private loans offer a fixed term, usually 10 to 20 years, with a payment you must make regardless of income.
- Relief: Federal loans have deferment, forbearance, and forgiveness. Private lenders may offer temporary hardship programs, but they are optional and far narrower.
How Private Loans Are Priced
A private lender prices your loan off a handful of signals, and the rate you get can swing several points based on them.
- Your credit score and history. The strongest factor. A thin file means a higher rate or a rejection.
- Your co-signer. A co-signer with excellent credit can pull your rate down to near their level. This is why so many students borrow with a parent on the note.
- Fixed vs variable. Variable rates start lower but move with an index, so the payment can rise over time. Fixed rates stay put.
- Term and school. Longer terms lower the monthly payment but raise total interest, and some lenders adjust pricing by school or program.
Because the rate is custom, two borrowers at the same school can be quoted very different numbers. Our interest rates guide breaks down how federal rates are set alongside this, so you can see what you are comparing against.
Who Actually Needs a Private Loan
The right use of a private loan is narrow. Federal loans have annual and lifetime borrowing limits, and once you hit them, a private loan is the common way to cover the rest of the cost. That makes private loans most common among graduate and professional students, whose federal limits fall short of tuition, and among undergraduates who have maxed out federal aid and still face a gap.
The order should always be: fill federal loans first, grants and scholarships next, then a private loan only for the remaining gap. Borrowing private money before you have taken your full federal amount usually costs you a worse rate and loses you protections you cannot get back.
The Downsides You Inherit
A private loan trades flexibility for access. The costs show up exactly when you are most vulnerable.
- No income-driven payment. If your income drops, the bill does not. This is the single biggest risk, and it is why a private loan should be the last layer, not the first.
- Limited pause options. Some lenders offer forbearance, but it is discretionary and usually shorter than federal relief, and interest keeps running.
- Hard to discharge in bankruptcy. Like federal loans, a private loan is very difficult to wipe out in bankruptcy. You must prove undue hardship through an extra legal step.
- Co-signer risk. If you miss payments, the hit lands on your co-signer too, and releasing them later is not automatic.
If You Already Have One
You are not stuck. Three moves improve a private loan after the fact.
- Refinance when your credit improves. A few years of on-time payments and a higher income can qualify you for a materially lower rate. Our refinance break-even guide shows how to judge the savings against any costs.
- Work toward co-signer release. Most lenders release a co-signer after a stretch of on-time payments plus a credit check. The steps are in our co-signer release guide.
- Turn on autopay. Many private lenders cut the rate by a quarter point or more for autopay, a small but free reduction.
Before You Sign
If the monthly payment looks tight on a 10-year term, that is the loan telling you something. Our guide to lowering your payment covers the levers that actually exist for private debt, and the refinance calculator shows what a better rate would do. Read the promissory note for the discharge and co-signer terms before you borrow, because those details are where private loans differ most from one lender to the next.
Frequently Asked Questions
Are private student loans eligible for income-driven repayment or forgiveness?
No. A private loan is a credit-based contract with a lender, not a federal benefit. There is no income-driven plan, no Public Service Loan Forgiveness, and no IDR forgiveness at the end of a term. Some lenders offer their own short-term relief if you lose your job, but it is narrower and less reliable than federal deferment or forbearance, and it is never a permanent fix.
Do most private student loans require a co-signer?
Yes, for undergraduates. The large majority of private loans are approved with a co-signer because students usually have a thin or nonexistent credit file. A co-signer with strong credit unlocks a lower rate, but that person is equally liable for the debt and their credit is tied to yours until they are released. Our co-signer release guide walks through how that release actually works.
Can you refinance a private student loan?
Yes, and it is the main lever for lowering a private rate once your credit and income improve. Refinancing a private loan with another private loan is common, and the new lender pays off the old one. The trade is that the loan stays private, so none of the federal-style protections ever appear, but you were never going to get those anyway.
Are private student loans discharged if the borrower dies?
Most private lenders discharge the remaining balance on death, and federal loans are discharged automatically with no tax bill. The co-signer is released from the obligation in that case. Terms vary by lender, so read the promissory note or ask the lender directly rather than assuming the balance simply disappears.
Shopping a private rate?
If you already hold a private loan, the refinance calculator shows what a better rate does to your payment and total cost.
Open the Refinance Calculator