Student loans are credit products designed to cover the cost of post-secondary education, including tuition, fees, books, room and board. They generally fall into two buckets: federal loans, which are issued by the government and come with fixed terms, income-driven repayment options, and broad forgiveness pathways; and private loans, which are issued by banks, credit unions, or state-affiliated agencies and are priced based on the borrower's credit profile and that of any cosigner.
The factors that most clearly separate a workable student loan from a costly one are the interest rate and the repayment terms. Federal loans carry a rate set by statute that is the same for every borrower, while private loans price risk individually, so a strong credit profile and a willing cosigner can meaningfully lower the rate. Repayment flexibility, including the ability to defer or reduce payments during school and the availability of income-driven plans or forgiveness, can matter more over the life of the loan than the headline rate.
When comparing options, look beyond the advertised rate. Weigh loan type, total borrowing limit, whether interest accrues while you are in school, the grace period after graduation, and the menu of repayment and forgiveness plans. Match the loan to your program length and expected post-graduation income, not just to the gap you need to fill today.