Best free resources for CLEP Social Sciences and History (and which to skip)

Part of: CLEP Social Sciences and History

By Alex Stone14 min readLast fact-checked July 2026

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Free study resources for CLEP Social Sciences and History include Crash Course on YouTube (the single most useful free resource for this exam), Khan Academy, OpenStax textbooks across multiple disciplines, Marginal Revolution University for economics, and the Modern States voucher path. Skip generic CLEP "study guide" PDFs, sketchy free practice questions, and Reddit advice without source citations; miscalibrated at best, wrong at worst.

For broader sequencing, see the pillar guide, the 40-hour study plan, the working-adult prep plan, the named-theorists deep dive, and the comparison with subject-specific CLEPs.

The honest framing on free resources for this exam

The CLEP Social Sciences and History exam is the rare CLEP where free resources can carry most of the input layer. The exam tests at survey level across six social-science disciplines (economics, political science, geography, sociology, psychology, anthropology) plus three history streams (US, Western, world), and no single free resource covers all of it. But Crash Course's playlist catalog and OpenStax's textbook catalog between them hit almost every content area on the outline, which is true for this exam more than for any other CLEP.

I took this exam for my degree at Thomas Edison State University, where it filled the SOS 101 and SOS 102 slots in a single sitting. The constraint when I prepared was not finding free content. The constraint was sequencing: nine content areas, 30 to 60 hours of prep, and a 120-question recognition-based exam to calibrate against. Use free resources for input and exposure. Use a calibrated practice tool for the recognition layer. The Flying Prep CLEP Social Sciences and History plan fills the practice gap with questions written against the current College Board outline and explanations on every question. The $10 official CLEP Examination Guide PDF is the cheapest worthwhile complement.

Crash Course on YouTube: the only free resource that covers almost the entire exam

Crash Course on YouTube is the single most useful free resource for this exam, and it earns that ranking because of breadth. The same YouTube channel publishes dedicated playlists for most of the content areas on the outline:

Crash Course US History (47 episodes)
Crash Course World History and World History 2 (~80 episodes between the two)
Crash Course European History (50 episodes)
Crash Course Sociology (44 episodes)
Crash Course Psychology (40 episodes)
Crash Course Economics (35 episodes)
Crash Course US Government and Politics (50 episodes)

That coverage is unique. No other CLEP exam has a free resource whose scope maps this cleanly to the exam outline. If you watched four to six of these playlists end-to-end with light note-taking, you would have content exposure on roughly 80 percent of what the exam tests.

Use it for: the input layer, by playlist, in the order that matches your weakest areas first. Episodes are 10 to 15 minutes each, workable on a commute, a lunch break, or a treadmill session. Audio-only listening covers a surprising amount of the recognition load on this exam.

Skip: Crash Course as your only resource. The pace is fast enough that passive retention is poor without active engagement. Pause on named theorists and named concepts. Write down the names: Marx, Weber, Durkheim, Freud, Piaget, Maslow, Pavlov, Skinner. Recognition requires the names to be in your head when the question appears.

Time budget: 20 to 30 hours to watch the four most exam-relevant playlists (US History, World History, Sociology, Psychology) plus pieces of Economics and US Government. The full set is 40-plus hours.

Painterly still-life of an open leather-bound history notebook with abstract handwritten resource notes catching dramatic warm light, a vintage leather-cased portable radio suggesting podcast audio, a stack of five leather-bound textbook volumes with abstract decorative spines suggesting the OpenStax library, a brass desk lamp glowing, a ceramic coffee mug, on a polished walnut wooden surface — Free resources can carry most of the work for this exam, more than for any other CLEP. The trick is the sequence.

Khan Academy: well-paced for economics and US government, patchy elsewhere

Khan Academy is the strongest free explanatory resource for the economics and US government portions of the exam. The macroeconomics and microeconomics tracks are clean, well-paced, and include practice problems with worked explanations, which is rare among free social-science resources. The AP US Government and Politics track covers the political-science portion at the right depth for the exam.

The AP US History and World History Project tracks are workable history supplements, though Crash Course is usually faster for the same content.

Use it for: economics (macro and micro), US government, and as a practice-question source for those two domains. The practice problems on the economics tracks map cleanly to the CLEP exam's economics content (supply and demand, elasticity, GDP, fiscal and monetary policy, market structures).

Skip: Khan Academy as your sociology, psychology, geography, or anthropology source. Coverage is patchy or absent. Use OpenStax or Crash Course instead.

Time budget: 6 to 10 hours, weighted toward the economics tracks if you are weak there.

OpenStax: textbooks at the depth the exam tests

OpenStax publishes free peer-reviewed college-level textbooks under a CC-BY license. For this exam, the relevant titles are:

Together these are the most comprehensive free coverage of the exam's content. They are also the only free resource that hits anthropology meaningfully: the Introduction to Sociology text has dedicated chapters on culture, kinship, and social structure that overlap heavily with anthropology content on the exam, and the Psychology text covers developmental and cross-cultural psychology at the depth the exam tests.

Use it for: the textbook layer. After Crash Course refreshes the eras and disciplines you found weakest, OpenStax fills in the specific named figures, theories, and frameworks the exam tests. Chapter summaries and key-terms lists map closely to CLEP question content. The Sociology and Psychology texts in particular are calibrated to introductory college courses, which is exactly the depth the exam tests.

Skip: reading any single OpenStax textbook cover to cover. Each text runs 500 to 700 pages. The exam tests survey-level recognition, not textbook depth. Skim chapter summaries, read the key-terms lists, and read full chapters only on topics where Crash Course left you confused.

Time budget: 8 to 14 hours across all six titles, focused on chapter summaries and key terms.

Marginal Revolution University: the best free economics content on the internet

Marginal Revolution University is a free video-course platform produced by Alex Tabarrok and Tyler Cowen at George Mason University. The Principles of Macroeconomics and Principles of Microeconomics courses are short-video lectures (3 to 8 minutes per video) calibrated to college-level introductory economics, which is the depth the CLEP exam tests.

Use it for: economics deeper than Khan Academy. If you finished the Khan economics tracks and still feel weak on a specific topic (elasticity, monetary policy, comparative advantage), MRU has a short video that covers it cleanly. The video format makes it easy to pick targeted topics rather than work through a full curriculum.

Skip: MRU as your only economics source. The videos assume you have the basic terminology, which Khan Academy provides better as a first pass.

Time budget: 2 to 4 hours, used as targeted reinforcement on the economics content.

Yale Open Courses: graduate-quality lectures on a few targeted disciplines

Yale Open Courses hosts free recordings of undergraduate lectures, including a few that map onto this exam:

Introduction to Psychology (PSYC 110) with Paul Bloom, 20 lectures
Game Theory (ECON 159) with Ben Polak, 24 lectures
Foundations of Modern Social Theory (SOCY 151) with Iván Szelényi, 25 lectures

The Social Theory course in particular is the deepest free treatment of Marx, Weber, and Durkheim available anywhere, and named-theorist recognition drives a significant share of the exam's points.

Use it for: targeted deep reinforcement on a single discipline where you feel weakest after Crash Course and OpenStax. Three or four lectures from PSYC 110 on cognition and development, or three or four SOCY 151 lectures on Marx, Weber, and Durkheim, will move the needle more than another textbook pass.

Skip: watching a full Yale course end-to-end. Twenty-plus lectures at 50 minutes each is 20 to 30 hours of video per course, and most of the content runs deeper than the exam tests. If you are tempted to watch all 25, you are over-investing in input and under-investing in calibrated practice.

Time budget: 2 to 4 hours, used as targeted reinforcement.

MIT OpenCourseWare: lighter recommendation

MIT OpenCourseWare hosts free course materials including 17.50 Introduction to Comparative Politics. For this exam the recommendation is light: the CLEP political-science content is heavily US-government-focused (Constitution, three branches, federalism, civil rights, electoral process), and a comparative-politics course covers different material. Useful for context if you have surplus prep time. Not a core resource.

Time budget: 0 to 2 hours, optional.

NPR Throughline and Hidden Brain: commute-friendly ambient absorption

NPR's Throughline covers history themes (origin stories of major institutions, social movements, economic ideas) with a journalist's accessible framing. NPR's Hidden Brain covers psychology and behavioral science with a research-explainer format. Both run roughly 50 minutes per episode and are designed for general audiences.

Use it for: the commute layer. Throughline episodes that align with the exam's history content (the Cold War, civil rights, US economic policy) build thematic background that makes named events stick. Hidden Brain episodes on classic psychology research put named concepts into memorable narratives.

Skip: these as exam-prep resources. Neither is structured to the exam outline. They are ambient input, not study material. Trying to study from a podcast at a desk will frustrate you.

Time budget: 0 hours of dedicated study. Whatever you absorb on commutes during prep weeks is bonus.

Stuff You Should Know and similar broad-survey podcasts: same role, lower yield

Stuff You Should Know is iHeart's long-running general-knowledge podcast with episodes on social-sciences-adjacent topics. Same role as Throughline and Hidden Brain: ambient commute audio. Lower yield because the catalog is broader and less curated for this exam. Skip dedicated study time on it.

Time budget: 0 hours of dedicated study.

Modern States: take the course for the voucher, study elsewhere

Modern States is a non-profit that offers free online CLEP courses with a $97 exam voucher awarded on completion. The voucher covers the full CLEP exam fee, so completing the Modern States Social Sciences and History course is the closest thing to free college credit you will find.

Use it for: the voucher. Sign up, complete the minimum work to qualify, claim the voucher, and apply it at registration.

Skip: the actual course content. The Modern States CLEP Social Sciences and History course is shallow and inconsistent across disciplines. Video lectures cover the syllabus on paper but at closer to high-school depth than college, and the practice questions are not calibrated to the current exam content. Take the course only as the path to the voucher. Use Crash Course, Khan Academy, and OpenStax for input.

Time budget: 1 to 2 hours of clicking through.

What to skip

Generic "CLEP study guide" PDFs from non-authoritative sites. Searching for free CLEP Social Sciences and History study guides surfaces dozens of PDFs from sites that are not College Board, not Modern States, and not a recognized publisher. Most are copy-paste content with factual errors, dated content, and outright misattributions across the named theorists. The cost is not just time spent reading wrong information; it is also unlearning it when you eventually run into a calibrated source.

Free practice question banks from random aggregators. Free CLEP Social Sciences and History questions exist on sites that are not Modern States or College Board, but the questions are miscalibrated, almost none come with explanations, and the answer keys are often wrong. The practice questions in the official $10 CLEP Examination Guide PDF are worth more than 200 free questions from an aggregator.

Reddit study advice without source citations. r/CLEP threads contain useful aggregate signal ("the economics section caught me off guard", "Modern States was not enough") but specific resource recommendations vary wildly and most are not sourced. Read for the consensus, not the resource picks.

Wikipedia rabbit-holes without structure. Individual Wikipedia articles on Maslow's hierarchy, the Treaty of Versailles, or comparative advantage are useful for looking up a specific term. As a primary study resource, Wikipedia is poor: no chapter order, no clear scope, and the internal-link structure rewards lateral browsing rather than depth on the topics the exam tests.

Princeton Review and REA prep books. Both publish CLEP Social Sciences and History prep books under $25 used. Question style is workable but editions run a few years behind the current exam and explanations compress thematic understanding into date and name memorization, the opposite of how the exam rewards study. A passable backup off subscription, but the Flying Prep question bank is more current and written against the current outline.

How to combine free resources into a complete plan

A specific free-resource sequence for the full 40 hours of prep, assuming the 40-hour study plan baseline:

Phase	Hours	Primary resources	Activity
0. Voucher	1 to 2	Modern States	Click through the course to qualify for the $97 voucher.
1. History refresh	8 to 10	Crash Course US History, World History, European History	Watch the playlists with a notebook open. Note named events and people.
2. Social-science refresh	8 to 10	Crash Course Sociology, Psychology, Economics, US Government	Same approach. Pause on named theorists and write the names down.
3. Textbook layer	8 to 12	OpenStax (Sociology, Psychology, Principles of Economics, US History, World History)	Skim chapter summaries and key terms. Read full chapters only on weak topics.
4. Targeted reinforcement	2 to 4	Yale Open Courses (Social Theory, Intro Psych) + MRU economics	Three or four lectures on your single weakest discipline.
5. Commute audio	Variable	Throughline, Hidden Brain	Background listening during commutes. Bonus, not core.
6. Drill and practice	6 to 8	Flying Prep practice questions	Mixed-topic practice across all nine content areas. Review every wrong answer.
7. Test prep	2	Official CLEP Examination Guide + Flying Prep	One or two full-length practice exams with score review.

Phases 0 through 5 cover the input layer with free resources. Phases 6 and 7 are where free stops being enough. The exam is recognition-based across 120 questions in 90 minutes, and recognition speed develops only by practicing under exam-style conditions across all nine content areas. The Flying Prep CLEP Social Sciences and History question bank handles that layer: questions written against the current content outline, explanations on every question, a confidence score per discipline so you know where you are weak, and a free trial that covers a meaningful slice before the paid plan. The $10 official CLEP Examination Guide PDF is the official complement.

For universal CLEP test-day mechanics (ID, timer, score reporting, retakes), see how CLEP exams actually work.

Comparison table

Resource	Format	Disciplines covered	Strength	Weakness	Role in plan
Crash Course (YouTube)	Short videos by playlist	US History, World History, European History, Sociology, Psychology, Economics, US Government	Single broadest free resource for this exam	Pace too fast for retention without notes	Primary refresh layer across nearly all content
Khan Academy	Video + practice questions	Macro and micro economics, US government, AP US History, world history	Practice questions with explanations on the economics and government tracks	Patchy on sociology, psychology, geography, anthropology	Primary economics and government layer
OpenStax	Free college textbooks	US History, World History, Sociology, Psychology, Economics, anthropology overlap	Comprehensive coverage; right depth for the exam; free	More depth than the exam tests; reader curates	Primary textbook layer; only free resource hitting anthropology
Marginal Revolution University	Short videos	Macro and micro economics	Best free economics on the internet	Economics only	Targeted reinforcement on economics
Yale Open Courses	Lecture videos	Intro Psych, Game Theory, Social Theory (Marx/Weber/Durkheim)	Graduate-quality depth on a few targeted disciplines	20 to 30 hours per course; deeper than exam tests	Targeted reinforcement on weakest discipline
MIT OpenCourseWare (17.50)	Lecture materials	Comparative politics	Free college-level material	Comparative focus, not US-government focus	Optional context, not core
NPR Throughline	Audio podcast	History themes	Commute-friendly, narrative framing	Not structured to the exam outline	Ambient commute audio
NPR Hidden Brain	Audio podcast	Psychology, behavioral science	Memorable framing of classic research	Not structured to the exam outline	Ambient commute audio
Stuff You Should Know	Audio podcast	Broad social-sciences-adjacent	Wide topic range	Lower exam-content yield than Throughline / Hidden Brain	Optional ambient commute audio
Modern States	Video course	Full survey	Free $97 exam voucher on completion	Course content shallow and miscalibrated	Voucher only, not study

Frequently asked questions

Can I pass CLEP Social Sciences and History using only free resources?

Yes, more so than any other CLEP, with caveats. The input layer (Crash Course playlists + OpenStax textbooks + Khan Academy on economics and government + targeted Yale lectures) is unusually complete for this exam because the outline tests at survey level across disciplines where free college-level material exists. The practice layer is where free resources fall short across the board. The exam is recognition-based across 120 questions in 90 minutes, and recognition speed develops by practicing in the exam's format with explanations on wrong answers. The official $10 CLEP Examination Guide PDF is the highest-leverage cheap addition to a free-only plan. Past that, the choice is between paid practice and accepting a thinner pass margin.

Which Crash Course playlists should I watch first?

Watch in this order, weighted to your weakest area: Sociology and Psychology first (because the named theorists drive recognition points across multiple disciplines), then US History and World History (because history is roughly 40 percent of the exam), then Economics and US Government (heavier topics where Khan Academy is a better study source but Crash Course makes a fast first pass). European History is optional if you remember high-school world history.

Is the Modern States course actually worth doing?

Yes, for the voucher. No, for the course content. The course is shallow and not calibrated to the current exam outline; students who study from it as a primary resource regularly score at or below the ACE passing line. Worth 1 to 2 hours of clicking through to qualify for the $97 voucher. Ignore the content.

Do I need a paid textbook?

No. OpenStax's Sociology, Psychology, Principles of Economics, US History, and World History texts are college-level, free in PDF and web format, and collectively cover the full exam scope. If you prefer a paid hardcover for one discipline you feel weakest in, a used introductory textbook in that single subject runs $20 to $40. Not required.

How do I cover anthropology with free resources?

Anthropology is the trickiest discipline to cover from free sources because no major free resource has a dedicated anthropology track for non-majors. The workable approach is to read the culture, socialization, and family-and-kinship chapters in OpenStax Introduction to Sociology (which overlap heavily with cultural-anthropology content the exam tests) and supplement with the cross-cultural psychology chapters in OpenStax Psychology. The exam tests anthropology lightly (roughly 5 percent of questions) and the named-theorist crossover (Mead, Boas, Lévi-Strauss) is identifiable from broad social-theory exposure.

What about Princeton Review or REA CLEP Social Sciences and History prep books?

Both exist under $25 used. Question style is workable but editions are a few years behind the current exam and explanations compress thematic understanding into date and name memorization, which is the opposite of how the exam rewards study. Workable backup if you are committed to staying off subscription products; pair with the official CLEP Examination Guide for calibration and treat the prep book as a question source, not a study guide.

How much podcast time should I plan for?

Zero, as dedicated study. Throughline, Hidden Brain, and Stuff You Should Know are commute audio that builds ambient familiarity with the exam's named concepts and events, but they are not structured to the exam outline. Whatever you absorb during prep weeks while commuting or doing chores is bonus. Trying to budget hours for them at a desk will frustrate you.

Is there any free resource that covers all six social-science disciplines well?

OpenStax comes closest. Between the Sociology, Psychology, and Principles of Economics texts, you get college-level coverage of three of the six disciplines, plus the anthropology and geography overlap from chapters in the Sociology and World History texts. Political science is the gap that Khan Academy's AP US Government track fills better than OpenStax does. No single free resource covers all six well, which is the structural reason this exam rewards a multi-resource sequence rather than a single primary source.

Alex Stone founded Flying Prep after earning her bachelor's degree from Thomas Edison State University using 27 CLEP and DSST exams to test out of 99 credits. She built Flying Prep to help working adults and returning students take the same path.

Last fact-checked July 2026

Deep dives

Go deeper on CLEP Social Sciences and History

See the full CLEP Social Sciences and History study guide for the practice quiz, study plan, and credit details.