Consolidation vs refinancing: the difference

People use these two words as if they mean the same thing. They don’t. One keeps your loans with the federal government. The other moves them to a private lender for good.

Side by side

	Federal Direct Consolidation	Private refinancing
Who makes the new loan	U.S. Department of Education	A private lender
Cost to apply	Free at studentaid.gov	Set by the lender; read the terms
Interest rate	Weighted average of your loans, rounded up to the nearest 1/8%	New rate based on your credit and income; fixed or variable
Can it lower your rate?	No. It can only match or round up.	Yes, if you qualify
Unpaid interest	Added to principal	Rolled into the new private loan
RAP and income-driven plans	Yes; since July 1, 2026, RAP or Tiered Standard only	No
PSLF	Yes; your count becomes a weighted average	No; PSLF credit is gone
Federal forgiveness, deferment, forbearance	Yes	No
Federal death and disability discharge	Yes	No
Can you undo it?	No, but the loan stays federal	No

How Direct Consolidation works

Direct Consolidation combines one or more federal loans into a single new federal Direct Consolidation Loan. You apply at studentaid.gov. Per the FTC, consolidating federal loans directly with the government “is always free.”

The rate. Per the CFPB, the new fixed rate is the weighted average of the loans you combine, rounded up to the nearest one-eighth of a percent. Example: $200,000 at 8% and $100,000 at 7% average about 7.67%. Rounded up, your new rate is 7.75%. Consolidation never saves you interest.

Unpaid interest. Per the National Consumer Law Center, outstanding interest on the loans you combine becomes principal. You then pay interest on a larger balance.

Your PSLF and income-driven counts. Your new loan gets a weighted average of the qualifying payments on the loans you combined, weighted by balance. If you had 60 payments on your largest loan and 20 on a small one, you’ll land closer to 60. The count doesn’t reset to zero.

The July 1, 2026 lock-in

This is the part that trips people up. The National Consumer Law Center explains the rule. Consolidate on or after July 1, 2026, and your Direct Loans get only two plans: RAP and Tiered Standard.

If you borrowed before July 1, 2026 and you’re on IBR, consolidating now means losing IBR. RAP forgiveness comes after 30 years; see RAP, explained for dentists. If you’re already happy with your plan, consolidating just to have one bill usually isn’t worth it.

When consolidation makes sense for a dentist

• You have older federal loans that aren’t Direct Loans and you want PSLF. Only payments on Direct Loans count toward PSLF, so those loans must be consolidated first. See PSLF for dentists.
• You’re already on RAP or new to repayment after July 1, 2026, and one loan is simpler to track.

When it doesn’t

• You want a lower rate. Consolidation can only keep your rate the same or round it up.
• You’re on IBR and want to stay there.
• Someone is charging you to do it. More on that below.

How private refinancing works

Refinancing means a private lender pays off your federal loans and gives you a new private loan. The CFPB says private rates can be fixed or variable and depend on your credit. For a dentist with a strong income, the new rate may be lower than 8.07%.

Refinancing turns federal loans into private ones. It ends access to RAP, PSLF, federal forgiveness, and federal deferment and forbearance for those loans. The CFPB adds that you may lose federal death and disability discharge. Any PSLF credit you’ve built up is gone too. You can’t move the loans back.

Here’s what a lower rate can do, as an illustration. Example: $300,000 at 6.0% fixed APR over 10 years is about $3,330 a month and $400,000 in total. Not an offer; your rate depends on credit. The same balance at 8.07% paid off over 10 years is about $3,651 a month and $438,000 in total. (A consolidation made after July 1, 2026 can’t use the old 10-year standard plan; its fixed option is Tiered Standard, 25 years on $100,000 or more.)

Refinancing usually makes sense only if all of these are true:

• You won’t work for a PSLF-qualifying employer.
• Your income is high and stable enough to pay the loan off, so RAP forgiveness isn’t in play.
• You have a cushion, because private lenders don’t offer RAP-style payment cuts if your income drops.

For current rates, see student loan refinance rates for dentists. If you decide to shop, a marketplace like Credible shows offers from several lenders at once. Before you sign, read when refinancing is a mistake.

Never pay a company to consolidate

Companies advertise “consolidation help” or “forgiveness enrollment” for a fee. Per the FTC, it’s illegal for a debt relief company to charge you before it helps you. Every federal consolidation, repayment plan and forgiveness program is available free through studentaid.gov or your servicer.

Don’t give anyone your FSA ID. Report suspected scams at ReportFraud.ftc.gov and to your state attorney general.

What to do next

1. List your loans at studentaid.gov: type, balance, rate and current plan.
2. If PSLF is the plan, check whether all your loans are Direct Loans. Consolidate only the ones that aren’t.
3. If you’re on IBR and borrowed before July 1, 2026, don’t consolidate without checking the lock-in first.
4. If you’re weighing refinancing, run your numbers in the refinance vs forgiveness tool and read Should you refinance your dental school loans?