This question comes up constantly, and it deserves a real answer instead of the reflexive "it depends" most financial writers give you.
Here's the framework — and then the specific answer based on the numbers.
The Interest Rate Comparison
This is the starting point. What are the actual rates?
- Credit cards: average 21-23% APR in 2025-2026. High-rate cards can reach 29-30%.
- Student loans: federal undergraduate loans are 5-8% for recent years. Older loans can be 3-4% fixed. Private student loans range from 5-15%.
By the math, credit card debt almost always carries a higher interest rate than student loans. The avalanche method says: pay credit cards first. Full stop.
But there are important exceptions.
When Student Loans Should Come First
If your student loan rate is above 8-9% (common with older private loans), it deserves to be in your payoff priority queue alongside or ahead of some credit card debt. Compare rates directly, not categories.
Also consider: high student loan balances create a debt-to-income ratio problem that affects your ability to get a mortgage or other credit. If homeownership is a near-term goal, reducing your student loan balance matters for your borrowing profile even if the interest rate case isn't clear-cut.
The Tax Deduction Factor
Student loan interest is sometimes tax-deductible — up to $2,500/year if you qualify based on income. This effectively lowers your real interest rate. If you're in the 22% tax bracket and paying $2,000 in student loan interest per year, the deduction is worth about $440 — which lowers your effective rate slightly.
This doesn't flip the math dramatically, but it's worth factoring in. Credit card interest has no comparable deduction.
The Flexibility Factor
Federal student loans offer income-driven repayment, deferment, and forbearance options. Credit cards offer none of these — miss a payment and you get a fee, a rate increase, and a credit score hit.
This flexibility means student loan payments are a softer obligation in an emergency. Credit card payments are rigid. When you're deciding which debt to put extra cash toward, the relative inflexibility of credit card payments is another argument for eliminating them first.
The Psychological Factor
Student loan debt often feels different from credit card debt. It represents education, a past investment. Credit card debt often carries more shame — it feels like a failure of discipline rather than a past decision. If the psychological weight of one type of debt is significantly heavier, that's worth factoring into your strategy. Eliminating a debt that causes daily stress has a quality-of-life benefit that pure math doesn't capture.
The Default Answer
Pay credit cards first if their rate is higher than your student loans — which it almost always is. Once credit cards are cleared, turn the full payment toward student loans using the same avalanche or snowball logic.
The exception: if you have a specific student loan with a rate above 10-12%, treat it with the same urgency as credit card debt and order by rate, not by type.