Doctoral programs are a long road. Whether you are pursuing a PhD in engineering, a PsyD in clinical psychology, a DPT in physical therapy, or an EdD in education leadership, you are looking at three to seven years of advanced study. Some programs are fully funded. Many are not. And the ones that are not funded can leave you with six figures in debt before you earn your first paycheck in your field.
The financial picture varies wildly depending on the type of program. A funded PhD might come with a tuition waiver and a living stipend, leaving you with $50,000 or less in debt. An unfunded PsyD can cost $100,000 to $250,000 over four to six years. DPT programs typically run $90,000 to $150,000 over three years. EdD programs range from $30,000 to $80,000 total. The common thread is that these are long programs, and every year you spend in school is another year of interest accruing on your loans before you start earning.
On top of that, the federal loan landscape has changed. The One Big Beautiful Bill Act (OBBBA) eliminates the Grad PLUS loan program starting July 1, 2026. Under the new rules, graduate students can borrow up to $20,500 per year with a $138,500 aggregate limit. Professional students get higher limits of $50,000 per year and a $200,000 aggregate cap. The federal graduate loan interest rate currently sits at 7.94%. For many doctoral students, federal loans alone will not cover the full cost.
Private student loans are now part of the equation for most unfunded doctoral and professional students. This guide ranks the five best private lenders for doctoral programs in 2026 and explains what to look for in a loan built for the long haul.
Federal Loans First
Before you consider private lenders, max out your federal student loans. Even with the new lower limits, federal loans still carry protections that private loans cannot match.
Federal student loans offer:
- Income-driven repayment (IDR) plans that cap payments at a percentage of your income
- Public Service Loan Forgiveness (PSLF) for borrowers who work at qualifying nonprofit or government employers
- Deferment options during enrollment and grace periods after graduation
- No credit check for Direct Unsubsidized Loans
- Fixed interest rates set by Congress each year
Important distinction for doctoral students: Your federal borrowing limits depend on how your program is classified. Graduate students (most PhD, EdD, and some research-focused programs) can borrow up to $20,500 per year with a $138,500 aggregate limit. Professional students (including PsyD, DPT, and certain clinically focused doctoral programs) can borrow up to $50,000 per year with a $200,000 aggregate cap. Check with your school's financial aid office to confirm which category applies to your program.
Fill your federal bucket first. Then use private loans to cover the remaining gap.
What Doctoral Students Should Look For in a Private Loan
Doctoral borrowers face a challenge that most other students do not: time. A four-to-seven-year program means your loans are accruing interest for years before you start earning a full salary in your field. That makes certain loan features especially important.
In-School Deferment and Grace Periods
This is the most critical feature for doctoral students. You need a lender that lets you defer payments while you are enrolled and ideally for several months after graduation. The longer the grace period, the more breathing room you have to find a position and get on your feet financially. Interest still accrues during deferment on most private loans, but at least you are not required to make full payments while living on a stipend or graduate assistant salary.
Interest Rates
Private lender rates for graduate students currently range from about 2.89% to 16.49% depending on the lender, your credit score, and whether you choose fixed or variable rates. The best-qualified borrowers with strong cosigners can get rates well below the 7.94% federal rate. For long doctoral programs, even a small rate difference compounds significantly over time. Compare APRs, not just advertised rates.
Cosigner Release
Many doctoral students need a cosigner to qualify for competitive rates, especially early in their program when they have limited income and credit history. Look for lenders that offer cosigner release after 12 to 36 months of on-time payments. This protects your cosigner from being on the hook for years after you graduate.
Loan Limits and Cost of Attendance Coverage
Some doctoral programs are expensive enough that you need a lender willing to cover 100% of the cost of attendance. Not all lenders go that high. If your program costs $60,000 per year and federal loans cover $20,500, you need a private lender that will cover the remaining $39,500 without question.
Zero Fees
The best private lenders charge no origination fees, no late fees, and no prepayment penalties. Over a long doctoral program, fees add up. Avoid lenders that nickel-and-dime you.
Best Private Student Loans for Doctoral and Professional Programs in 2026
1. SoFi -- Best Overall
SoFi is the strongest all-around choice for doctoral students. Its graduate loan products are designed for advanced degree seekers, and the company backs its loans with a suite of member benefits that go beyond the loan itself.
Key features:
- Fixed APR: 3.23% to 15.99%
- Zero fees (no origination, no late, no prepayment)
- Career coaching and unemployment protection
- Member benefits including financial planning tools
- Covers graduate and professional programs
Why it is the best overall: SoFi combines competitive rates with genuine borrower support. The zero-fee structure means you are not paying extra on top of interest. Career coaching is a real benefit for doctoral students entering a competitive job market, whether that is academia, clinical practice, or industry. Unemployment protection provides a safety net if your job search takes longer than expected after graduation. For a doctoral student borrowing across multiple years, these features add up to meaningful savings and security. Read our full SoFi student loan review for more details.
2. Sallie Mae -- Best Variety of Graduate Loan Products
Sallie Mae offers a Graduate School Loan product that covers all types of doctoral and professional programs. Whether you are in a PhD, EdD, PsyD, DPT, or any other graduate program, Sallie Mae has a product that fits.
Key features:
- Fixed APR: 2.89% to 14.99% (graduate)
- Graduate School Loan covers all doctoral program types
- 12-month cosigner release
- Multiple repayment options during school
- Covers up to 100% of school-certified cost of attendance
Why we picked it: Sallie Mae's Graduate School Loan is the most versatile product on this list. It does not matter what type of doctoral program you are in. The 12-month cosigner release is among the fastest available, and the rate floor of 2.89% is the lowest on this list for well-qualified borrowers. If you want one lender that can handle any doctoral program without requiring a specialty product, Sallie Mae is the answer. Read our full Sallie Mae student loan review for more details.
3. Earnest -- Best Flexibility
Earnest gives borrowers more control over their loan terms than any other lender on this list. Its skip-a-payment feature and precision pricing let you customize your loan to fit your budget, which is especially valuable during the lean years of a doctoral program.
Key features:
- Fixed APR: 2.89% to 16.49%
- Skip-a-payment option (up to one payment per year)
- 9-month grace period after graduation
- Zero fees
- 5-to-15-year repayment terms
- Choose your exact monthly payment amount
Why we picked it: Doctoral students deal with unpredictable expenses: conference travel, dissertation costs, licensing exams, relocation for postdocs or clinical placements. Earnest's skip-a-payment feature lets you pause once a year when money is tight. The ability to choose your exact payment amount means you can start low during school and increase payments as your income grows. The 9-month grace period gives you time to transition from student to professional. Read our full Earnest student loan review for more details.
4. College Ave -- Best for High Borrowing Amounts
College Ave covers 100% of the cost of attendance, which makes it the go-to lender for students in expensive doctoral programs. If you are in a PsyD program costing $50,000 or more per year, or a DPT program at a private university, College Ave will not leave you short.
Key features:
- Fixed APR: 3.23% to 15.99%
- Covers 100% of cost of attendance
- 9-month grace period after graduation
- Multiple in-school payment options
- Simple online application
Why we picked it: When your program costs six figures and federal loans cover only a fraction, you need a lender that will fund the full gap. College Ave does that without hesitation. The 9-month grace period and multiple repayment options give you flexibility during school. For PsyD students facing $100,000 to $250,000 in total program costs, or DPT students at $90,000 to $150,000, College Ave's willingness to cover the full cost of attendance is a critical advantage. Read our full College Ave student loan review for more details.
5. Ascent -- Best Without a Cosigner
Ascent is the standout choice for doctoral students who do not have a cosigner. Its Outcomes-Based Loan uses your school, program, and expected earnings to determine approval instead of relying solely on credit history.
Key features:
- Outcomes-Based Loan available without a cosigner
- Zero fees
- 12-month cosigner release (on cosigned loans)
- Multiple repayment options
- 1% cash back graduation reward
Why we picked it: Not every doctoral student has a parent or relative who can cosign a loan. This is especially common for older students returning for a doctoral degree, international students with US residency, and first-generation graduate students. Ascent's Outcomes-Based Loan evaluates your future earning potential based on your program and school rather than your current credit profile. Since many doctoral graduates go on to earn strong salaries in their fields, this model works in your favor. Read our full Ascent student loan review for more details.
Funded vs. Unfunded Programs: Why It Matters for Borrowing
One of the biggest factors in how much you will borrow is whether your program comes with funding.
Funded programs typically include a tuition waiver and a living stipend. These are most common in PhD programs, especially in STEM fields, humanities at top research universities, and some social science programs. If your program is funded, your borrowing needs may be limited to supplemental living expenses. You might need $5,000 to $15,000 per year beyond your stipend, or you might not need loans at all.
Unfunded programs require you to pay full tuition and cover your own living costs. PsyD programs are the most notable example. Most PsyD programs offer little to no funding, and tuition runs $25,000 to $50,000 per year for four to six years. DPT programs are similarly unfunded, with total costs of $90,000 to $150,000. Many EdD programs are also unfunded, though their shorter duration and lower per-year costs make the total burden more manageable.
The practical impact: A student in a funded PhD program might graduate with $50,000 or less in debt. A student in an unfunded PsyD program might graduate with $200,000 or more. The lender you choose and the features you prioritize should reflect this reality. Funded students can afford to focus on getting the lowest rate possible. Unfunded students need to think harder about grace periods, loan limits, and long-term repayment flexibility.
Before you commit to an unfunded doctoral program, run the numbers. Calculate total program cost, subtract any federal aid, and determine how much private borrowing you will need. Then compare that total to your expected starting salary in the field. A general rule of thumb: try to keep total debt below your expected first-year salary after graduation.
PSLF and IDR for the Federal Portion
Many doctoral graduates end up working in jobs that qualify for Public Service Loan Forgiveness. University faculty, researchers at nonprofit institutions, clinical psychologists at community health centers, physical therapists at public hospitals, and school administrators in public education all qualify.
How PSLF works: After making 120 qualifying monthly payments (10 years) while working full-time for a qualifying employer, your remaining federal loan balance is forgiven. Payments made under an income-driven repayment plan count, which means your monthly payments during the early years of your career can be relatively low.
Income-driven repayment (IDR) plans cap your federal loan payments at a percentage of your discretionary income. For doctoral graduates who start in lower-paying positions (postdocs, early-career faculty, clinical residents), IDR keeps payments manageable while you work toward PSLF.
Critical reminder: PSLF and IDR apply only to federal loans. Your private loans are not eligible. This is why the "federal first" strategy matters so much. Every dollar you borrow federally is a dollar that could potentially be forgiven through PSLF. Every dollar you borrow privately must be repaid in full.
If you think there is any chance you will work for a qualifying employer after graduation, maximize your federal borrowing and keep your federal loans separate from your private loans. Do not refinance your federal loans into a private loan until you are certain you will not pursue PSLF.
Frequently Asked Questions
Can doctoral students still get federal student loans after July 2026?
Yes. The OBBBA does not eliminate federal student loans for doctoral students. It eliminates the Grad PLUS loan program and sets new borrowing limits. Graduate students can borrow up to $20,500 per year with a $138,500 aggregate limit. Professional students can borrow up to $50,000 per year with a $200,000 aggregate cap. You can still borrow federal Direct Unsubsidized Loans up to those limits.
What is the difference between "graduate" and "professional" borrowing limits?
Under the new OBBBA rules, professional students (in programs like PsyD, DPT, and certain clinical doctorates) get higher annual and aggregate limits than graduate students (in programs like PhD and EdD). Your school's financial aid office determines which category your program falls into. This classification directly affects how much federal aid you can receive each year.
How much will I need to borrow for an unfunded doctoral program?
It depends on your program's cost of attendance and how much federal aid you receive. A PsyD student at a school charging $50,000 per year for five years faces $250,000 in total costs. After federal loans (which might cover $20,500 to $50,000 per year depending on classification), the remaining gap must come from private loans, scholarships, savings, or employment income.
Should I get a fixed or variable rate for a long doctoral program?
Fixed rates are generally the safer choice for doctoral borrowers. You are borrowing across four to seven years of school, and it could be several more years before you reach full earning potential. That is a long time for variable rates to move against you. Lock in a fixed rate for predictability, especially if you are borrowing large amounts.
Can I work while in a doctoral program to reduce borrowing?
It depends on your program. Many PhD programs require full-time enrollment and limit outside employment. Clinical programs like PsyD and DPT involve intensive practicum and clinical hours that leave little time for work. EdD programs are often designed for working professionals, which means you may be able to maintain income while studying. Check your program's policies before counting on employment income.
Do private doctoral loans qualify for PSLF?
No. PSLF only applies to federal Direct Loans. Private student loans do not qualify for any federal forgiveness program. If you plan to pursue PSLF, keep your federal loans separate and use private loans only for the gap that federal loans cannot cover.
When should I apply for private student loans for my doctoral program?
Apply after you receive your financial aid award letter and have accepted your federal loan offers. This tells you exactly how much gap funding you need. Most lenders recommend applying four to six weeks before your tuition payment is due. You will typically need to reapply each academic year.
Is an unfunded doctoral program worth the debt?
It depends on the program, the field, and your career plans. A DPT graduate can expect to earn $95,000 to $100,000 starting salary, which makes $90,000 to $150,000 in debt manageable. A PsyD graduate may start at $80,000 to $100,000, which makes $200,000 or more in debt a heavier lift. Run the numbers before you enroll, and look at actual salary data for graduates of your specific program.
Bottom Line
Doctoral programs are a significant investment of both time and money. The elimination of Grad PLUS loans means private student loans are now a necessary part of the funding plan for most unfunded doctoral and professional students. The five lenders in this guide offer the best combination of rates, flexibility, and borrower protections for the unique challenges of long graduate programs.
Start with federal loans and fill every dollar of your federal eligibility. Use private loans to cover the remaining gap. If you are in a funded program, you may not need private loans at all. If you are in an unfunded program, choose a lender that offers the grace periods, loan limits, and repayment flexibility you need to get through years of study without unnecessary financial stress.
Need help comparing lenders and building a funding plan for your doctoral program? CollegeLens.ai can help you find the right combination of federal and private loans for your specific situation.
-- Sravani at CollegeLens
