Private Student Loans Guru
Private Student Loans Guru

How to Choose the Best Student Loans

By Mark Kantrowitz

When choosing student loans, students and their families should focus first on the cost of the loan. This can affect the monthly payment and the total payments over the life of the loan. The best loans are the lowest-cost loans.

Also important is the availability of repayment options for borrowers who encounter short-term and long-term financial difficulty, such as deferments, forbearances and alternate repayment plans. Other considerations may include who is responsible for repaying the debt and the quality of customer service.

Some borrowers choose the lender with the most familiar name, such as the lender with the greatest brand recognition nationally or in the borrower's geographic region. Others choose the lender that is listed first on a college's preferred lender list. These lenders do not necessarily offer the lowest-cost loans. It is best to shop around, as rates and fees may vary by lender. Sometimes, a less well-known lender will offer the lowest-cost loans.

Lowest Cost Loans

When considering the cost of the loan, it is best to shop around for the loans with the lowest interest rates and fees. Although federal student loans have up-front pricing, many private student loans do not. Instead, the interest rates and fees are personalized based on a variety of factors, such as the credit scores and credit history of the borrower and cosigner. In some cases, the lenders will also consider the student's college, grade point average (GPA), year in school, degree level and academic major.

When shopping around for the lowest cost loan, do not rely on the advertised interest rates and fees. The best advertised rate is not necessarily the rate you'll get. The best advertised interest rate is received by less than 5% of borrowers. The only way to know what interest rate you'll get is to apply for the loan.

It is best to focus on the interest rates and fees, not the monthly loan payment. Beware of comparing loans with different repayment terms, as a longer-term loan will have a lower APR and lower monthly loan payment, despite charging more interest over the life of the loans. For example, the monthly payment on a $10,000 loan with 10% interest is $96.50 on a 20-year term, lower than the monthly payment on a $10,000 loan with 5% interest on a 10-year term. But, the total payments over the life of the 20-year loan is about $23,162, much more than the $12,728 total payments over the life of the 10-year loan. Focusing on just the monthly payment may give a misleading perspective of the cost of the loan. If you are comparing several loans based on the monthly loan payment, also compare the total payments over the life of the loan.

Impact of 1% Increase in Interest Rate
Repayment TermIncrease in
Monthly Payment
10-Year Term5%
20-Year Term9%
30-Year Term12%

The following factors affect the cost of the loan:

  • Interest Rate. Although the loan with the lowest interest rate will usually be the lowest-cost loan, the cost can be influenced by other factors.
  • Subsidized Interest. The Federal Perkins loan and subsidized Federal Stafford loan have subsidized interest, where the federal government pays the interest during the in-school and grace periods and other periods of authorized deferment. Subsidized interest is like having a 0% interest rate for a fixed period of time.

    A subsidized loan is the equivalent of an unsubsidized loan with a lower interest rate, if interest on the unsubsidized loan is capitalized during the in-school and grace periods. Assume a 45-month in-school period and a 6-month grace period. Subsidized interest is the equivalent of an unsubsidzed loan with half the interest rate on a 10-year repayment term, two-thirds the interest rate on a 20-year term and three-quarters the interest rate on a 30-year term.

  • Fixed vs. Variable Interest Rates. A fixed interest rate remains unchanged for the life of the loan. This will yield the same monthly payment every month. A variable interest rate, on the other hand, may change periodically. If the interest rate increases, the monthly payment increases. In today's low interest rate environment, variable interest rates have nowhere to go but up. If interest rates are expected to increase, variable-rate loans should be avoided unless the borrower plans on paying off the loan early, before interest rates increase too much. Assuming a 10-year term, a variable interest rate will be about 3 or 4 percentage points lower than the equivalent fixed interest rate.
  • Loan Fees. Loan fees are a form of up-front interest. Avoid loans that charge fees if you plan on paying off the loan early. Loan fees of 4% are the equivalent of a percentage point (1%) increase in the interest rate on a 10-year term and half a percentage point (0.5%) increase in the interest rate on a 20 or 30-year repayment term. Most private student loans have no fees.
  • Loan Forgiveness. Loan forgiveness programs cancel all or part of the student loan, thereby affecting the cost of the loan.

The next two tables rank the most common types of student loans according to cost.

This table ranks the lowest-cost loans for undergraduate students for the 2015-2016 award year. Interest rates and fees are subject to change on or after July 1, 2016.

Lowest-Cost Loans for Undergraduate Students
Loan ProgramInterest RateSubsidized?Requires Good Credit?
Federal Perkins LoanFixed 5%YesNo
Subsidized Federal Stafford LoanFixed 4.29%NoNo
Unsubsidized Federal Stafford LoanFixed 4.29%NoNo
Federal Parent PLUS LoanFixed 6.84%NoYes
Private Student LoanFixed or VariableNoYes

This table ranks the lowest-cost loans for graduate and professional school students for the 2015-2016 award year. Interest rates and fees are subject to change on or after July 1, 2016.

Lowest-Cost Loans for Graduate and Professional School Students
Loan ProgramInterest RateSubsidized?Requires Good Credit?
Federal Perkins LoanFixed 5%YesNo
Unsubsidized Federal Stafford LoanFixed 5.84%NoNo
Federal Grad PLUS LoanFixed 6.84%NoYes
Private Student LoanFixed or VariableNoYes

Dealing with Financial Difficulty

Private student loans generally do not have as good provisions for dealing with financial difficulty as federal student loans. These benefits provide alternatives to defaulting on the debt.

  • Death and Disability Discharges. These discharges cancel the remaining debt upon the death of the student or primary borrower or upon the total and permanent disability of the primary borrower.
  • Deferments and Forbearances. Deferments and forbearances are good options for short-term financial difficulty. They provide temporary suspensions of the obligation to repay the debt. Interest continues to accrue and will be capitalized (added to the loan balance) if unpaid. During a deferment, the federal government pays the interest on subsidized loans, but not unsubsidized loans. Deferments and forbearances have a total duration of up to three years for federal student loans, but only one year for private student loans.
  • Alternate Repayment Plans. Federal student loans offer numerous alternate repayment plans for dealing with long-term financial difficulty. These include extended repayment, graduated repayment and income-driven repayment (e.g., income-contingent repayment, income-based repayment, pay-as-you-earn repayment and revised pays-as-you-earn repayment). Most private student loans do not offer income-driven repayment plans.
  • Default. A federal student loan is considered to be in default after 360 days delinquency, compared with 120 days for a private student loan.
  • Loan Rehabilitation. A defaulted federal student loan can be rehabilitated (restored to a current status) if the borrower makes 9 out of 10 consecutive, full, voluntary monthly payments. Defaulted federal student loans can also be rehabilitated by consolidating the loans into the Federal Direct Consolidation Loan program, if the borrower agrees to repay the loan in the income-based repayment plan. Private student loans do not offer similar options.