How to Test Out of College Classes: CLEP, DSST, AP, and Challenge Exams in 2026

A three-credit course at the average public university runs about $1,195 in tuition at 2025-26 published prices. A CLEP exam covering the same material costs $97, or $0 if you go through Modern States' voucher program. Testing out is the cheapest per-credit route we know of in American higher education, and four separate mechanisms offer it: CLEP, DSST, AP/IB, and departmental challenge exams at your own school. The catch is acceptance. Every institution writes its own credit-by-exam policy, and the range runs from 90 credits at Thomas Edison State University down to zero at the University of California. Here is the current math, the free route, and how to check your own college before you pay.

Are CLEP exams worth it? Do the math first

Start with the prices, all as of August 2026. College Board's CLEP exam list (clep.collegeboard.org) prices every exam at $97. Test centers add their own administration fee on top. At Purdue University's testing center, the seat fee is $35 for Purdue students and $55 for outside test-takers, per Purdue Testing Services' June 2025 CLEP checklist. Call it roughly $130–$150 all-in at a typical center.

Now the course you would be replacing. College Board's Trends in College Pricing 2025 puts average published in-state tuition and fees at public four-year institutions at $11,950 for 2025-26. At a standard 30 credits per year, that is about $398 per credit, or roughly $1,195 for a three-credit course. Even at the average community college ($4,150 in-district, about $138 per credit), the same course runs around $415.

So one passed CLEP exam at $132 replaces a $1,195 course, a saving of roughly $1,000 before books and time. Five exams (a 15-credit semester) cost about $660 against roughly $5,975 in average public-university tuition. If you fail, you are out $97 plus the seat fee, not a semester. The arithmetic only holds if your institution accepts the credit, which is the subject of the second half of this article.

How CLEP works in 2026

CLEP (the College-Level Examination Program) is a College Board program of computer-based exams covering material typically taught in introductory college courses. As of August 2026, College Board lists 34 exams across five groups: history and social sciences (12 exams, from American Government to Macroeconomics), composition and literature (6), science and mathematics (7, including College Algebra, Calculus, and Chemistry), business (5), and world languages (4 titles spanning French, German, and Spanish).

College Board states that over 3,000 U.S. colleges and universities grant credit for passing CLEP scores, up from the "2,900+" figure the program cited for years. On scoring, College Board's ACE credit-recommendation page states that "ACE recommends a credit-granting score of 50 for each CLEP exam," a scaled score equivalent to earning a C. Most exams carry a 3-semester-hour recommendation. A handful (College Composition, English Literature, Biology, Chemistry, Natural Sciences, and Social Sciences and History) carry 6, and the world-language exams award more at Level 2 qualifying scores. ACE only recommends, though. Each college sets its own required score and credit award, and some require more than 50. Look your school up in College Board's CLEP college credit policy search before registering.

If you fail, College Board's retake policy is forgiving but slow: "You may not repeat an exam of the same title within three months of the initial testing date." Retake early and the administration is invalidated, the score canceled, and fees forfeited. There is no limit on total attempts.

Modern States: how to take CLEP exams for free

This is the part most students never hear about. Modern States Education Alliance (modernstates.org), a nonprofit funded largely by private-equity executive Steve Klinsky, offers free, self-paced online courses taught by college professors covering every CLEP subject, with lectures, quizzes, and free textbooks included. Per College Board's joint handout with the program, students who complete a Modern States course receive a voucher code that pays the CLEP exam fee for that subject; Modern States' own published reimbursement policy additionally covers the test center's fee after you test. Purdue's testing office describes the same mechanics: the voucher waives the exam fee, and you submit your seat-fee receipt for reimbursement.

The program is very much alive in 2026: a March 2026 Fortune profile reported Modern States "has quietly reached 800,000 people and given away the equivalent of 25,000 free years of college credit," quoting Klinsky that "It's just getting started." Two cautions when you request your voucher: it only covers the exam whose course you completed, and the test-center fee is reimbursed afterward rather than waived up front. Modern States' reimbursement policy (as of August 2026) requires the test-center receipt, a copy of your CLEP score report, and your voucher number, submitted within one year of the exam date, with checks taking roughly 8–10 weeks. The sequence: complete the course at modernstates.org, request the voucher, register at clep.collegeboard.org with the voucher code, then schedule at a test center or via remote proctoring.

CLEP vs DSST: what's the difference?

DSST (originally the DANTES Subject Standardized Tests) is the other major national credit-by-exam program, run by Prometric. As of August 2026, DSST's official site (getcollegecredit.com) lists the fee at $100 per exam and describes "more than 30 exam titles in college subject areas such as Social Sciences, Math, Applied Technology, Business, Physical Sciences, and Humanities." Test centers add their own administration fee, as with CLEP. ACE has evaluated and recommended credit for all DSST exams, typically 3 semester hours each.

Three differences matter for planning:

• Subjects. DSST's catalog overlaps CLEP in places but extends into applied territory. Its stated subject areas include applied technology, which CLEP does not cover, so check both lists before assuming a course can't be tested out of.
• Level. CLEP exams cover introductory, lower-division material. DSST offers, in its own words, "several upper- and lower-level courses," making it one of the few ways to earn upper-division credit by national exam, where your college's policy allows it.
• Military funding. DSST's DANTES funding pages state that "DANTES helps eligible military members and eligible spouses pursue their educational goals by funding DSST exams (first attempts only)." DANTES similarly funds CLEP for eligible service members. If you or your spouse serve, your first attempts can be free. Ask your education office.

Acceptance is institution-specific for both programs, and some schools that take CLEP do not take DSST (or vice versa). Verify each exam individually in your catalog.

AP and IB: credit you may already have

If you are in high school now, AP is the standard testing-out route, and it is often treated more generously than CLEP: the University of California, which grants no CLEP credit at all, awards credit for AP "scores of 3, 4 or 5 on select exams" and for IB Higher Level "scores of 5, 6 or 7 on select exams," per UC's transfer credit practices page.

If you took AP exams years ago, those scores are generally still usable: College Board archives old scores rather than deleting them, and publishes no expiration date. Its archived-scores policy states that if your last AP exam was before 2018, your scores "are no longer viewable online." College Board will still send them to a college, university, or scholarship program on a mailed or faxed request, for $25 per report. Adults returning to school routinely forget decade-old AP scores still sitting in that archive. Whether an old score earns credit is the receiving college's decision, and some catalogs attach dates to exam credit: CSU Chico's published CLEP credit applies to exams taken July 2001 or later. Pull your archived scores and ask.

Departmental challenge exams: the overlooked option

Almost every conversation about testing out stops at CLEP and AP, but many universities will let you challenge their own courses by examination, often at a price that makes CLEP look expensive. The University of Arizona's catalog offers "credit by special examination" to any student enrolled (or previously withdrawn in good standing) for a $21-per-unit fee paid at the Bursar's Office: a 3-unit course for $63. Passing grades are recorded as CR and excluded from GPA. CSU Chico's catalog likewise lets students "challenge specific University courses by passing a campus-originated examination on the course content," graded credit/no credit.

The mechanics vary. Some schools require you to be enrolled in the course you challenge, and most bar challenging a course after you've passed a more advanced one. The pattern holds across the catalogs we reviewed: the option is published and almost never advertised, and departments keep discretion over it. Advisors commonly report that whether an exam is actually offered comes down to the department chair. If a required course covers material you already know cold, search your catalog for "credit by examination" or "challenge exam" and email the department before paying for a seat.

Will your college actually accept exam credit?

This is the caveat that determines everything, so here are two real policies at the extremes, both from official pages as of August 2026.

• Generous: Thomas Edison State University (NJ). TESU's transfer credit policy accepts "a maximum of 90 undergraduate credits for a baccalaureate degree" from noncollegiate sources. That combined ceiling, effective January 1, 2021, covers CLEP, DSST, AP, and ACE-reviewed training. Three-quarters of a 120-credit degree can arrive by exam and equivalent sources.
• Restrictive: the University of California. UC's transfer credit practices state flatly that UC "does not award credit for... College-Level Examination Program (CLEP) or DANTES Subject Standardized Tests (DSST) exams." Zero, at every campus, while the CSU system next door accepts many CLEP exams systemwide.

Most institutions sit between those poles, and the standard instrument is a cap. CSU Chico's catalog caps external standardized exam credit at "a maximum of 30 semester units... toward the bachelor's degree (excluding credit for AP and IB examinations)"; Arizona caps combined exam credit at 60 units. Among catalogs we've reviewed, caps commonly land between 30 and 90 credits. Two further wrinkles appear almost everywhere: exam credit usually carries no letter grade (so it cannot raise a GPA), and, in Chico's words, "credit by examination is not considered residence credit," meaning it never counts toward the credits most schools require you to earn in their own classrooms. Before scheduling any exam, confirm in your school's official catalog: the required score, what the exam maps to (a specific course or mere elective credit), the cap, and the residency math.

Which exams first? Pass rates, sequencing, and prerequisite chains

Start with high-pass-rate subjects you partly know. College Board does not currently publish civilian pass rates, so the figures in circulation are vendor-compiled practitioner data and should be read as such. Exam-prep vendor InstantCert publishes tables it attributes to College Board's last civilian release (2017) and to DANTES military data (2025); we could not verify the originals. They show civilian rates ranging from 91% (Spanish Language) down to 39% (Chemistry), with literature, composition, and language exams consistently near the top and College Algebra, Chemistry, and Financial Accounting near the bottom in both datasets. Native or heritage speakers of Spanish, French, or German are leaving nearly free credits on the table.

Sequence exams before enrollment where you can. Taken before you enroll, exam credits let you choose a school partly on its published acceptance policy, the same arbitrage logic behind transferring in cheap credits from ACE-recommended providers. Once enrolled, check policy first: schools commonly bar exam credit for courses equivalent to ones already taken, so test out before you sit in the adjacent classroom.

Then target the chain rather than the credit count. The exams worth taking first are the ones that clear a prerequisite. Testing out of College Algebra or Precalculus opens the math sequence a semester or two earlier; College Composition typically satisfies the writing prerequisite buried under half the catalog. As we argue in mapping your prerequisite chain, the critical path usually determines your graduation date rather than the credit total, and one exam that shortens the chain beats three exams' worth of electives. Fold exam credit into a full plan alongside the other levers in our degree-planning playbook, and mind the caps: past your school's limit, additional exams earn nothing.

One genuine disagreement to weigh: some advisors caution that a transcript heavy with ungraded exam credit can read thin to competitive graduate programs; others note committees mostly weigh upper-division grades, which exams rarely replace. Our view: the savings win for most students, but take a course for a grade if it is foundational to a graduate field you're targeting.

Frequently asked questions

How much does it cost to test out of a college class in 2026?

A CLEP exam costs $97 plus a test-center administration fee (Purdue's center, for example, charges $35 for its students and $55 for outside test-takers), and a DSST exam costs $100 plus a similar fee, as of August 2026. Departmental challenge exams at individual universities vary widely; the University of Arizona charges $21 per unit, or $63 for a three-credit course. Students who complete a free Modern States online course can get a voucher covering the full CLEP exam fee, making the exam effectively free.

What score do you need to pass a CLEP exam?

The American Council on Education recommends a credit-granting score of 50 on CLEP's 20-to-80 scale, which it equates to a C in the corresponding course, and most credit-granting colleges use that benchmark. Each institution sets its own required score, and some require higher scores for certain exams. Check your school's policy in College Board's CLEP college credit policy search before you register.

Do AP scores expire?

College Board publishes no expiration date for AP scores. Older scores are archived, not deleted. Scores from exams taken before 2018 can no longer be viewed online, but College Board will still send them to a college on a mailed or faxed request for $25 per report. Whether an older score still earns credit is up to the receiving institution, so check its catalog for any date restrictions.

How many college credits can you earn by testing out?

It depends entirely on your institution's cap. CSU Chico applies a 30-semester-unit maximum on external exam credit (excluding AP and IB), the University of Arizona allows up to 60 units by exam, and Thomas Edison State University accepts up to 90 credits from exam and other noncollegiate sources. Exam credit also does not count toward residency requirements, so you must still complete your school's minimum in-residence credits.

Is CLEP or DSST better?

They are complementary rather than competing. CLEP costs $97 and offers 34 introductory-level exams accepted at over 3,000 institutions; DSST costs $100 and offers more than 30 titles, including some upper-level subjects CLEP lacks. Military members and eligible spouses can have first attempts at either funded through DANTES. Check which specific exams your college accepts before choosing.

Sources

1. College Board (2026). CLEP Exam Topics — current exam list and $97 fee. Accessed August 13, 2026. clep.collegeboard.org/clep-exams
2. College Board (2026). CLEP Benefits for Everyone. Accessed August 13, 2026. clep.collegeboard.org/clep-benefits-for-everyone
3. College Board (2026). ACE Credit Recommendations for CLEP. Accessed August 13, 2026. clep.collegeboard.org/ace-credit-recommendations
4. College Board (2026). Is there a waiting period for retaking a CLEP exam? CLEP Help Center. Accessed August 13, 2026. clep.collegeboard.org/help-center
5. College Board (2024). Accelerate and Graduate with CLEP and Modern States (MAR-19080). clep.collegeboard.org/clep-modern-states-higher-ed-handout
6. Fortune (March 31, 2026). Steve Klinsky's Modern States has quietly given away the equivalent of 25,000 free years of college. fortune.com/2026/03/31/modern-states-free-college
7. Purdue University Testing Services (2025). CLEP Checklist, updated June 2025. purdue.edu/CLEP-Checklist-updated-June-2025
8. DSST / Prometric (2026). About DSST. Accessed August 13, 2026. getcollegecredit.com/about-dsst
9. University of California (2026). Transfer credit practices. UC Admissions. Accessed August 13, 2026. admission.universityofcalifornia.edu/transfer-credit-practice
10. Thomas Edison State University (2026). Transfer Credit Policy FAQs. Accessed August 13, 2026. tesu.edu/admissions/faqs/transfer-credits
11. California State University, Chico (2026). Course Credit Policies. University Catalog 2025-26. Accessed August 13, 2026. catalog.csuchico.edu/course-credit-policies
12. University of Arizona (2026). Credit by Exam. University Catalog. Accessed August 13, 2026. catalog.arizona.edu/credit-exam
13. College Board Research (2025). Trends in College Pricing and Student Aid 2025 — Highlights. research.collegeboard.org/trends/college-pricing/highlights
14. College Board (2026). Send or Get a Copy of Archived Scores. AP Students. Accessed August 13, 2026. apstudents.collegeboard.org/send-or-get-archived-scores
15. InstantCert (2026). CLEP Exam Pass Rates — vendor-compiled tables attributed to a 2017 College Board release and 2025 DANTES data; originals not independently verified. Accessed August 13, 2026. instantcert.com/clep-exam-pass-rates
16. Modern States Education Alliance (2026). CLEP Test Center Reimbursement Policy. Modern States Help Center. Accessed August 13, 2026. helpdesk.modernstates.org/151000218566
17. DSST / Prometric (2026). DANTES Fully Funded — military funding for DSST exams (first attempts only). Accessed August 13, 2026. getcollegecredit.com/dantes-fully-funded