What Is Student Loan Debt? Types, Terms and How It Works

Student loan debt is money you borrow to pay for college or grad school. You pay it back over time, with interest, after you leave school. The rules, rates and repayment plans can get complicated fast. Nearly 43 million Americans hold federal student loans, and total U.S. student loan debt reached about $1.7 trillion in the first quarter of 2026. Here's what you need to know about how student loans work and what your options look like.

Key Takeaways

• Student loan debt is money borrowed to pay for higher education, and it comes in two main flavors: federal loans from the government and private loans from banks or online lenders. 

• Interest rates on new federal loans are fixed for the life of the loan. For loans first disbursed between July 1, 2026 and June 30, 2027, rates are 6.52% for undergrad loans, 8.07% for grad loans and 9.07% for PLUS loans.

• Federal loans come with protections that private loans often don't offer, like income-driven repayment plans and forgiveness programs. If you refinance federal loans into private ones, you’ll lose those protections for good.

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What Is Student Loan Debt?

Student loan debt is any money you owe from borrowing to pay for education. That covers tuition, fees, books, housing and other costs of going to school. You don't have to pay it back while you're enrolled, but interest often starts adding up either right away or after you graduate.

Types of Student Loans

There are two main types of student loans, and they work in different ways.

• Federal student loans: Loans made by the U.S. Department of Education. They come with fixed interest rates set by Congress, standard repayment options and access to programs like income-driven repayment and Public Service Loan Forgiveness. You don't need a credit check for most undergrad federal loans.

• Private student loans: Loans from banks, credit unions or online lenders. Rates can be fixed or variable and depend on your credit score or your co-signer's credit. Private loans account for about 9.13% of all outstanding student loan debt.

Within federal loans, there are a few types you'll come across:

• Direct Subsidized Loans go to undergrads with financial need. The government pays the interest while you're in school.

• Direct Unsubsidized Loans go to undergrad, grad and professional students. Interest starts adding up right away.

• Direct PLUS Loans go to parents of undergrads and, until recently, grad students. These require a credit check.

• Direct Consolidation Loans let you combine multiple federal loans into one for debt consolidation.

Starting July 1, 2026, Grad PLUS loans are going away for new borrowers. Graduate students now have a $20,500 yearly cap on Direct Unsubsidized Loans (up to $100,000 lifetime). Professional students have a $50,000 yearly cap ($200,000 lifetime).

How Student Loan Interest and Repayment Work

Federal student loan interest rates are set each year based on a U.S. Treasury note auction plus a fixed add-on. Once you take out the loan, the rate is locked in for the life of the loan.

Here are the federal loan rates for the 2026-27 school year:

• Undergraduate Direct Subsidized and Unsubsidized loans: 6.52%

• Graduate Direct Unsubsidized loans: 8.07%

• Direct PLUS loans (parent or grad): 9.07%

Federal loans also charge an origination fee, which is a small percentage taken out of your loan amount before it's paid to your school. Fees are 1.057% for Direct Subsidized and Unsubsidized loans and 4.228% for PLUS loans.

You typically start repaying federal loans six months after you leave school. The standard repayment plan spreads payments over 10 years. If that's too much, you can apply for an income-driven repayment plan, which caps your monthly payment based on your income and family size.

A new plan called the Repayment Assistance Program (RAP) is set to launch in July 2026 and will fully replace older income-driven plans by 2028.

The Current Student Loan Landscape

Student loan debt is now the second-largest category of consumer debt in the U.S., behind only mortgages. Some numbers to know:

• Total U.S. student loan debt: about $1.7 trillion

• Federal share: more than 90%

• Federal borrowers: about 43 million people

• Average federal balance: about $39,547

• Total average balance (including private loan debt): could be as high as $43,333.

Delinquency has also picked up. About 25% of borrowers with payments due did not pay or paid less than required in a recent month, according to the Federal Reserve. Federal collections on defaulted loans can include wage garnishment and tax refund seizure.

The Bottom Line

Student loan debt can feel overwhelming, but knowing how it works puts you in the driver's seat. Understand what kind of loans you have, keep an eye on your interest rates and use federal repayment options when they make sense. A little planning today can save you a lot of money and stress down the road.

FAQs

Do student loans hurt your credit score?

Student loans can help or hurt your credit, depending on how you manage them. On-time payments build a positive payment history. Missed payments hurt your credit and can lead to default.

Can student loan debt be forgiven?

Yes, in some cases. Public Service Loan Forgiveness (PSLF) forgives remaining federal loan balances after 10 years if you work full time for a qualifying government or nonprofit employer. Other programs exist for teachers, nurses and borrowers on income-driven repayment plans.

What happens if you stop paying your student loans?

Federal loans go into default after 270 days of missed payments. Default can trigger wage garnishment, tax refund seizure and a big drop in your credit score. Private loans go into default much sooner, often after 90 to 120 days of missed payments.

Can you refinance federal student loans?

Yes, but only with a private lender. If you refinance federal loans into a private loan, you may lock in a lower rate, but you give up federal benefits like income-driven repayment and PSLF for good.

Are student loans included in bankruptcy?

Student loans are hard to discharge in bankruptcy, but not impossible. You have to prove "undue hardship," which is a high bar. Most borrowers can't wipe out student loans this way.

Key Terms

Direct Subsidized Loan: A federal student loan for undergraduates with financial need. The government pays the interest while you're in school at least half time.

Direct Unsubsidized Loan: A federal student loan available to undergrad, grad and professional students. Interest starts adding up from the day the loan is disbursed.

Direct PLUS Loan: A federal loan for parents of undergrads or (until July 2026) grad students. Requires a credit check and carries a higher interest rate.

Origination fee: A one-time fee taken from the loan amount before it's paid to your school. For federal loans, it's 1.057% for Direct Loans and 4.228% for PLUS Loans.

Income-driven repayment (IDR): A federal repayment plan that caps your monthly payment based on your income and family size.

Public Service Loan Forgiveness (PSLF): A program that forgives your remaining federal loan balance after 120 qualifying payments while working full time for a qualifying government or nonprofit employer.

Default: What happens when you fail to make loan payments for too long. For federal student loans, default hits after 270 days of missed payments.

Sources

• Congress.gov: A Snapshot of Federal Student Loan Debt

• U.S. Department of Education: U.S. Department of Education Finalizes Landmark Rule to Lower College Costs and Simplify Student Loan Repayment

• Federal Student Aid: Interest Rates for Federal Direct Loans First Disbursed Between July 1, 2026 and June 30, 2027

• Education Data Initiative: Student Loan Debt Statistics

• San Francisco UC Law: Important Federal Student Loan Changes Effective July 1, 2026

• Federal Student Aid: FY27 Sequester-Required Changes to the Title IV Student Aid Programs

• Consumer Financial Protection Bureau: What is a student loan default?

• Federal Student Aid: Understanding Default