Fixed vs. variable: The rate type decision
When searching for low interest student loans, you’ll encounter both fixed and variable rate options. Each has different trade-offs that affect what “low interest” really means for your situation.
Fixed rates stay the same throughout your entire repayment period. If you lock in 9.5%, that’s your rate whether you repay over five years or 15 years, regardless of what happens with market interest rates. This predictability lets you plan your budget with certainty and protects you from inflation if rates rise during your repayment period.
Variable rates fluctuate based on market conditions, typically tied to an index like SOFR (Secured Overnight Financing Rate) plus a margin. Variable rates often start lower than comparable fixed rates, which looks attractive initially. But they carry the risk of increasing over time, possibly substantially if market rates rise.
For graduate students, fixed rates generally make more sense. You’re borrowing for programs lasting one to three years with repayment extending up to to 15 years after graduation. Locking in a predictable rate protects you from market volatility during this long timeframe. The slightly higher initial cost of fixed rates provides valuable insurance against future rate increases.




