After reviewing financial aid offers and understanding your financial aid gap, many students and families begin exploring how to cover remaining costs. Private student loans are one option — but before deciding whether to use them, it helps to understand how they work.
This guide covers how private student loans work, including how they’re approved, how interest and rates are determined, and what to consider before borrowing.
What Is a Private Student Loan?
A private student loan is a type of loan offered by a bank or lender to help pay for education expenses such as tuition, housing, and books. Unlike federal student loans, private loans are typically based on credit and may require a cosigner.
Private student loans are often considered after scholarships, grants, federal financial aid, federal student loans, and savings have been applied. They can help cover remaining costs when financial aid doesn’t fully meet your needs.
How Private Student Loans Work
While each lender may differ slightly, the overall process typically includes:
Applying for a loan. You provide basic information about yourself, your school, and your financial situation.
Credit review and approval. Lenders evaluate factors such as credit history, income, and, in many cases, a cosigner.
School certification. Your school verifies the loan amount based on your cost of attendance and other financial aid.
Disbursement. Funds are sent to the school and applied to eligible education expenses.
Private vs. Federal Student Loans
Both federal and private student loans can help cover education costs, but they work differently. Understanding the difference can help you decide which option to use first.
Federal student loans are funded by the government and may offer:
Fixed interest rates.
Income-driven repayment options.
Borrower protections such as deferment or forbearance.
Private student loans are offered by banks and other lenders and typically:
Are based on credit.
May offer fixed or variable rates.
Have terms that vary by lender.
When comparing options, many students start with federal loans before exploring private loans to cover any remaining gap.
What Affects Private Student Loan Rates?
Understanding how rates are determined is an important part of learning how private student loans work. Private student loan interest rates can vary based on several factors, including:
Credit history and credit score.
Income and financial profile.
Whether a cosigner is included.
Broader market conditions.
Recognizing what affects student loan interest rates can help students and families compare options and evaluate the potential cost of borrowing over time.
It can also help to understand how annual percentage rate (APR) reflects the total cost of borrowing, including interest and certain fees.
Fixed vs. Variable Interest Rates
Private student loans may offer either fixed or variable interest rates, which can affect both your monthly payment and the total cost of your loan.
Fixed interest rates stay the same over time, providing predictable monthly payments.
Variable interest rates may change based on market conditions or other factors, meaning payments could increase or decrease over time.
Both options come with trade-offs, and understanding how each works can help students and families choose the right fit for their situation.
Private Student Loan Requirements
Because private student loans are typically credit-based, approval depends on several factors. These may include:
Credit history and credit score.
Income or ability to repay.
Enrollment at an eligible school.
Whether a cosigner is included.
Many undergraduate students apply with a cosigner because they have limited credit history. A cosigner agrees to share responsibility for the loan, which can help strengthen the application.
How to Get a Private Student Loan
If you decide to explore private student loans, a simple step-by-step approach can help guide the process:
Evaluate your financial aid gap. Understand how much you still need to cover after scholarships, grants, and federal aid.
Compare lenders and loan options. Look at interest rates, APR, repayment options, and loan terms.
Apply with a lender. Provide your financial and school information, and consider applying with a cosigner if needed.
Complete school certification. Your school confirms the loan amount based on your cost of attendance.
Receive funds. Funds are typically sent directly to your school to cover eligible expenses.
Taking time to compare options and understand each step can help students and families make more confident borrowing decisions.
How Private Student Loans Fit Into Your Plan
Private student loans are usually one part of a broader approach to paying for college, typically considered after other funding sources have been evaluated. Most borrowers first consider:
Scholarships and grants.
Federal financial aid.
Savings or family contributions.
Federal student loans.
When used thoughtfully, private loans can help fill the gap between what financial aid covers and the total cost of attendance.
If students and families are still evaluating whether borrowing makes sense — or how much to borrow — it can help to revisit how financial aid packages work and how much they may need to cover.