For two generations, student loans were sold as the safest debt in America. Education was the surest path to higher earnings, and borrowing for it was less a financial risk than a deferred investment. That story was mostly true in 1985, partly true in 2005, and dangerous to take at face value in 2026. College tuition has tripled in real terms since the 1980s, the wage premium for many degrees has flattened, and a large minority of graduates end up in jobs that don’t require their degree. Student debt is sometimes still good debt. Sometimes it’s just debt.
The wage premium is real but not uniform
A four-year college degree still raises lifetime earnings on average. The Bureau of Labor Statistics consistently shows median wages for bachelor’s degree holders well above those for high school graduates. But the average obscures enormous variation. Engineering, computer science, finance, nursing, and most STEM fields pay back rapidly — graduates often clear their loans within a decade and the lifetime ROI is large. Many humanities and social science degrees from non-elite schools produce earnings only modestly above non-graduates, and net of debt, ROI can be negative for years or permanently. The degree’s name on the diploma matters less than the field plus the institution plus the graduate’s plans after.
The school matters as much as the degree
A computer science degree from a state flagship at $30,000 in total debt is a very different financial product than the same degree from a private university at $200,000 in debt. The graduate jobs in the first category and the graduate jobs in the second often look identical on LinkedIn. Federal data on Gainful Employment outcomes — and especially the College Scorecard’s program-level earnings data — has made this comparison possible. A useful rule: total student debt at graduation should not exceed the realistic first-year salary for the field. If it does, the math is fragile.
Graduate school is the bigger trap
Undergraduate loan limits cap the damage somewhat for federal borrowing. Graduate school doesn’t. Grad PLUS loans let students borrow up to the cost of attendance with no annual or lifetime cap, and this is where the most damaging debt loads accumulate. Law school graduates from non-T14 schools, MBA graduates from second-tier programs, and many master’s programs in fields with weak labor markets routinely produce six-figure debt without a corresponding income jump. Graduate education ROI is wildly bimodal — a few programs pay enormously, most pay modestly, some pay negatively.
Income-driven repayment and forgiveness change the calculation
Federal income-driven repayment plans, including the SAVE plan where it survives litigation, and Public Service Loan Forgiveness can rescue borrowers from poorly chosen debt. They cap monthly payments and forgive remaining balances after 10 to 25 years depending on the program. This is a backstop, not a strategy. Relying on forgiveness 25 years out for a financial decision made today is a fragile bet, especially given how often these programs have been politically reshaped.
The takeaway
Student debt is not automatically virtuous, and not automatically a trap. The math depends on field, school, total debt, and realistic expected earnings. Run the numbers before signing — not after.
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