50 Free Test Prep Resources Ranked by Quality: SAT, GRE, GMAT, IELTS

You don’t need to spend $1,000-2,000 on test prep. High-quality free resources exist. The challenge is knowing which ones are worth your time. This guide ranks 50 of the best free resources by quality, tells you which are worth using, and shows you how to build a complete free prep plan.

How I Ranked These Resources

Criteria:
1. Content quality — Are explanations clear? Is content accurate?
2. Comprehensiveness — Does it cover all test topics?
3. Interactivity — Can you practice, not just read?
4. Pacing — Does it have a learning path or is it chaotic?
5. Credibility — Is it from the test maker, recognized experts, or unvetted sources?
6. Community — Is there support (forums, Q&A)?

Ratings:
– ⭐⭐⭐⭐⭐ (5 stars): Essential; use this
– ⭐⭐⭐⭐ (4 stars): Excellent; highly recommended
– ⭐⭐⭐ (3 stars): Good; useful for specific topics
– ⭐⭐ (2 stars): Okay; use if desperate
– ⭐ (1 star): Poor; avoid

SAT Resources (Digital SAT 2024+)

Top-Tier SAT Resources

1. Khan Academy SAT Prep (Free Partnership with College Board) ⭐⭐⭐⭐⭐
– What: Official SAT practice through Khan Academy
– Cost: Free
– Quality: Exceptional
– Why it’s #1: College Board’s official prep partner. Full-length practice tests, personalized lessons, video explanations, progress tracking. This alone is sufficient for most students.
– What to use it for: Primary learning resource; official practice tests
– Time required: 80-120 hours (full prep through to test-ready)
– Best for: All students, especially those on a budget

2. College Board Official Digital SAT Practice ⭐⭐⭐⭐⭐
– What: BluebookTM app from College Board; official, full-length digital SATs
– Cost: Free (within the app; some full tests are free, others require purchase)
– Quality: Exceptional
– Why: Identical format to real test. Practice in exact testing conditions. Invaluable.
– What to use it for: Practice tests (do 3-4 full tests before test day)
– Time required: 3-4 hours per full test (practice tests only, not learning)
– Best for: Late-stage prep; full-length simulations

3. Erica Meltzer SAT Reading/Writing Books (Free PDFs Available) ⭐⭐⭐⭐⭐
– What: Grammar and reading strategy guides by test expert
– Cost: Free PDFs (search “Erica Meltzer PDF”); official books $20-30
– Quality: Outstanding
– Why: Clear, direct strategies for Reading & Writing. Meltzer is renowned for SAT reading instruction. Her strategies are teachable and effective.
– What to use it for: Learning Reading & Writing strategies (not official practice material)
– Time required: 20-30 hours (reading + drills)
– Best for: Reading & Writing improvement; all levels

Strong SAT Resources

4. UWorld SAT Prep (Free Trial Available) ⭐⭐⭐⭐
– What: Interactive practice questions with explanations
– Cost: Free trial (limited questions); paid plan $39-150
– Quality: Very high
– Why: Explanations are exceptionally clear. Questions are well-written. Adaptive difficulty. Very helpful for weak areas.
– What to use it for: Drilling weak areas; supplementary practice
– Time required: 30-40 hours (thorough question drilling)
– Best for: Students wanting detailed explanations; drilling specific topics

5. PrepScholar SAT Free Resources ⭐⭐⭐⭐
– What: Videos, guides, and strategies; some free practice
– Cost: Mostly free; full course $499 (courses often on sale)
– Quality: High
– Why: Well-organized curriculum. Video explanations are clear. Free resources are genuinely helpful.
– What to use it for: Learning strategy; supplementary videos
– Time required: 20-40 hours (varies by focus)
– Best for: Visual learners; organized pacing

6. YouTube: Erica Meltzer SAT Channel ⭐⭐⭐⭐
– What: YouTube videos on SAT Reading & Writing strategies
– Cost: Free
– Quality: Excellent
– Why: High-level expert teaching. Strategies are actionable. Free and accessible.
– What to use it for: Learning Reading & Writing (supplementary to Khan Academy)
– Time required: 15-25 hours (watching videos)
– Best for: Students who learn from videos; visual explanations

7. YouTube: Khan Academy SAT Channel ⭐⭐⭐⭐
– What: Video lectures on SAT topics, organized by section
– Cost: Free
– Quality: High
– Why: Official, comprehensive. Covers all topics. Well-explained.
– What to use it for: Learning math topics; supplementary learning
– Time required: 40-60 hours (comprehensive math learning)
– Best for: Students who prefer video learning; comprehensive coverage

Good SAT Resources

8. Reddit r/SAT (Community Q&A) ⭐⭐⭐
– What: Community forum with test-takers asking questions, sharing tips
– Cost: Free
– Quality: Medium (hit or miss; some great advice, some bad)
– Why: Real students sharing real experiences. Good for motivation, emotional support, peer perspectives.
– What to use it for: Motivation, peer Q&A, emotional support
– Best for: Feeling less alone; community support

9. YouTube: Math Shortcuts (various channels) ⭐⭐⭐
– What: YouTube channels dedicated to SAT math tricks
– Cost: Free
– Quality: Okay
– Why: Some tricks are helpful; some are gimmicks. Use selectively.
– What to use it for: Specific math strategies (after learning fundamentals)
– Best for: Math-focused students; learning shortcuts

10. Official SAT Sample Tests (Old SAT Format) ⭐⭐
– What: Old paper SAT practice tests from College Board
– Cost: Free
– Quality: Medium (outdated format)
– Why: Old SAT has different structure than Digital SAT. Still useful for math review but not for realistic practice.
– What to use it for: Math drilling only; reading/writing less relevant to Digital SAT
– Best for: Supplementary math practice

ACT Resources

Top-Tier ACT Resources

1. Khan Academy ACT Prep ⭐⭐⭐⭐⭐
– What: Official Khan Academy partnership with ACT
– Cost: Free
– Quality: Exceptional
– Why: Comprehensive, official, well-organized. Full prep curriculum with practice questions.
– What to use it for: Primary learning resource; all sections
– Time required: 80-100 hours
– Best for: All students

2. ACT Official Prep (Full Practice Tests) ⭐⭐⭐⭐⭐
– What: Official ACT full-length practice tests
– Cost: Free (some tests free; full catalog available online)
– Quality: Exceptional
– Why: Identical format to real test. Essential for full-length practice.
– What to use it for: Practice tests (3-4 full tests before test day)
– Time required: 3-4 hours per test
– Best for: Full-length simulations

Strong ACT Resources

3. ACT.org Free Resources ⭐⭐⭐⭐
– What: Official ACT website with free resources, tips, and some practice
– Cost: Free
– Quality: High (official source)
– Why: ACT’s own resources; reliable, though not as comprehensive as Khan Academy.
– What to use it for: Official sample questions; understanding test format
– Best for: Official, trustworthy information

4. YouTube: ACT Official Channel ⭐⭐⭐⭐
– What: Official ACT videos on sections, strategies, and tips
– Cost: Free
– Quality: High
– Why: Official source. Instructional and motivational.
– What to use it for: Learning strategies; understanding test format
– Best for: Official perspectives on test

5. PrepScholar ACT Free Resources ⭐⭐⭐⭐
– What: Free strategy guides, videos, practice questions
– Cost: Mostly free; full course $399
– Quality: High
– Why: Well-organized. Clear explanations.
– What to use it for: Strategy learning; supplementary practice
– Best for: Structured learners

GRE Resources

Top-Tier GRE Resources

1. Manhattan Prep GRE Free Materials ⭐⭐⭐⭐⭐
– What: Free GRE courses, strategy guides, practice questions
– Cost: Free
– Quality: Exceptional
– Why: Manhattan Prep is renowned for GRE prep. Their free materials are comprehensive. Video lessons are excellent.
– What to use it for: Primary learning resource; all sections
– Time required: 80-120 hours
– Best for: All GRE students

2. ETS Official GRE Practice Tests ⭐⭐⭐⭐⭐
– What: Official GRE full-length practice tests from ETS (test maker)
– Cost: Free (limited free tests); full set $40 (nominal cost)
– Quality: Exceptional
– Why: From the official test maker. Identical format and difficulty to real test. Essential.
– What to use it for: Practice tests (4-5 full tests before test day)
– Time required: 4-5 hours per test
– Best for: Full-length practice; official source

3. Khan Academy GRE Partnership ⭐⭐⭐⭐
– What: Khan Academy’s GRE prep curriculum
– Cost: Free
– Quality: High
– Why: Comprehensive, organized. Video explanations.
– What to use it for: Learning math fundamentals; supplementary learning
– Best for: Math review; conceptual learning

Strong GRE Resources

4. GREPrepClub Forums ⭐⭐⭐⭐
– What: Community forum for GRE test-takers with Q&A, study schedules, experience sharing
– Cost: Free
– Quality: High
– Why: Active community. Real test-takers sharing strategies. Detailed discussions.
– What to use it for: Motivation, peer Q&A, study schedules
– Best for: Community support; peer learning

5. YouTube: Manhattan Prep GRE Channel ⭐⭐⭐⭐
– What: Video lessons on GRE topics and strategies from Manhattan Prep
– Cost: Free
– Quality: Excellent
– Why: Expert instruction. Clear strategy teaching.
– What to use it for: Learning strategies; video instruction
– Best for: Video learners

6. Magoosh GRE Videos (YouTube, Free) ⭐⭐⭐
– What: Free GRE video lessons on YouTube
– Cost: Free (on YouTube; paid course also available)
– Quality: Good
– Why: Clear explanations. Good for specific topics.
– What to use it for: Supplementary video learning
– Best for: Focused topic videos

GMAT Resources

Top-Tier GMAT Resources

1. GMAC Official GMAT Prep Software ⭐⭐⭐⭐⭐
– What: Official GMAT practice software with full-length tests
– Cost: Free (basic version); premium version $79-99
– Quality: Exceptional
– Why: From GMAC (official test maker). Identical to real test. Adaptive algorithm.
– What to use it for: Practice tests (3-4 full tests); learning through official material
– Time required: 3-4 hours per test
– Best for: Essential practice; official source

2. Beat the GMAT Forum ⭐⭐⭐⭐⭐
– What: GMAT community forum with strategies, study plans, Q&A
– Cost: Free
– Quality: Excellent
– Why: Large community. Detailed discussions. Study schedules and resources curated.
– What to use it for: Community Q&A, motivation, study plans
– Best for: Peer support; community learning

3. YouTube: GMATNinja ⭐⭐⭐⭐⭐
– What: YouTube videos on GMAT strategies, particularly Sentence Correction and Critical Reasoning
– Cost: Free
– Quality: Excellent
– Why: Expert instruction. Highly detailed. Direct, actionable strategies.
– What to use it for: Learning verbal strategies; drills
– Best for: Verbal improvement; detailed instruction

4. YouTube: Manhattan Prep GMAT Channel ⭐⭐⭐⭐⭐
– What: Full video curriculum on all GMAT sections
– Cost: Free
– Quality: Excellent
– Why: Comprehensive, well-taught. Manhattan Prep is GMAT expert.
– What to use it for: Primary learning resource
– Time required: 80-120 hours
– Best for: All GMAT students

Strong GMAT Resources

5. GMAT Ninja YouTube (Verbal Deep-Dives) ⭐⭐⭐⭐
– What: Detailed video explanations of GMAT verbal questions
– Cost: Free
– Quality: High
– Why: Expert-level explanations. Very detailed.
– What to use it for: Learning verbal strategies
– Best for: Verbal-focused students

6. Veritas Prep Free Resources ⭐⭐⭐
– What: Free GMAT guides, flashcards, and some video lessons
– Cost: Mostly free; full course paid
– Quality: Good
– Why: Reliable GMAT prep company. Free materials are helpful but limited.
– What to use it for: Supplementary learning
– Best for: Targeted topic help

IELTS Resources

Top-Tier IELTS Resources

1. British Council IELTS Official Resources ⭐⭐⭐⭐⭐
– What: Official IELTS resources from British Council (test creator)
– Cost: Free (samples); some practice tests paid
– Quality: Exceptional
– Why: Official source. Authentic materials. Sample tests and strategies from test makers.
– What to use it for: Official practice materials; understanding test format
– Best for: Official, trustworthy preparation

2. IELTS Podcast (Free) ⭐⭐⭐⭐⭐
– What: Official IELTS podcast with real listening samples and strategies
– Cost: Free
– Quality: Exceptional
– Why: Audio practice. Real IELTS-level listening. Official source. Perfect for listening section.
– What to use it for: Listening practice; authentic audio
– Best for: Listening improvement

3. YouTube: E2IELTS Channel ⭐⭐⭐⭐⭐
– What: Comprehensive IELTS video lessons on all four sections
– Cost: Free
– Quality: Excellent
– Why: Well-organized curriculum. Clear instruction. Covers all band levels. Real examples.
– What to use it for: Primary learning resource; all sections
– Time required: 80-120 hours
– Best for: Comprehensive, free learning

4. BBC Learning English ⭐⭐⭐⭐
– What: Free BBC videos on English grammar, vocabulary, pronunciation
– Cost: Free
– Quality: High
– Why: Native speakers. Authentic English. High production quality.
– What to use it for: General English learning (not IELTS-specific but supports IELTS)
– Best for: Grammar, pronunciation, vocabulary

Strong IELTS Resources

5. YouTube: IELTS Advantage ⭐⭐⭐⭐
– What: IELTS video lessons and practice
– Cost: Free
– Quality: Good
– Why: Organized lessons. Practice examples.
– What to use it for: Supplementary video learning

6. IDP IELTS Resources (International Test Providers) ⭐⭐⭐⭐
– What: Official IDP IELTS resources, sample tests, strategies
– Cost: Free samples; full practice tests paid
– Quality: High (official)
– Why: Official source. Authentic materials.
– Best for: Official understanding of test

7. YouTube: Ryan’s English ⭐⭐⭐
– What: IELTS speaking and writing lessons
– Cost: Free
– Quality: Good
– Why: Clear instruction on productive skills.
– What to use it for: Speaking and writing improvement

Cross-Test Resources (Multiple Tests)

1. YouTube: Crash Course SAT/ACT ⭐⭐⭐⭐
– What: High-level overview of test-taking strategies, applicable across tests
– Cost: Free
– Quality: Good
– Why: Motivational and strategic. Not test-specific but helpful mindset.
– Best for: Test anxiety management; motivation

2. Wikipedia: Standardized Testing Articles ⭐⭐⭐
– What: General information on SAT, ACT, GRE, GMAT, IELTS
– Cost: Free
– Quality: Good (informational, not instructional)
– Why: Background and context on tests. Not for learning content but understanding structure.
– Best for: Test structure understanding

3. Quora: Standardized Test Q&A ⭐⭐
– What: Q&A forum with test-takers and experts answering questions
– Cost: Free
– Quality: Medium (hit or miss; some great answers, some poor)
– Why: Peer and expert Q&A. Searchable by topic.
– Best for: Specific question answers; community perspective

4. Reddit: Multiple Subreddits (r/SAT, r/GRE, r/GMAT, r/IELTS) ⭐⭐⭐
– What: Community forums for each test
– Cost: Free
– Quality: Medium
– Why: Peer support, strategy sharing, motivation.
– Best for: Community connection; emotional support

Vocabulary Resources (for GRE, GMAT, IELTS)

1. Anki Flashcard App (Free) ⭐⭐⭐⭐⭐
– What: Free flashcard app with pre-made GRE/GMAT vocabulary decks
– Cost: Free
– Quality: Excellent
– Why: Spaced repetition (scientifically proven for vocab learning). Customizable. Thousands of user-created decks.
– Best for: Vocabulary building (all tests)
– Time required: 20-30 minutes daily

2. Magoosh Vocabulary Flashcards ⭐⭐⭐⭐
– What: Free vocabulary flashcard sets for GRE/GMAT
– Cost: Free (full course paid)
– Quality: High
– Why: Well-curated vocabulary. Organized by difficulty.
– Best for: GRE/GMAT vocabulary

3. YouTube: Vocabulary Building Channels ⭐⭐⭐
– What: Various YouTube channels on vocabulary learning
– Cost: Free
– Quality: Variable (good to mediocre)
– Why: Some channels are helpful; others less so. Check reviews.
– Best for: Supplementary vocabulary learning

Practice Test Resources (Comprehensive)

Complete Free Prep Plans by Test

Complete Free SAT Prep Plan

Primary Resources:
1. Khan Academy SAT (1st month)
2. Erica Meltzer Reading/Writing PDF (weeks 2-4)
3. BluebookTM practice tests (weeks 8-12)

Secondary Resources:
4. YouTube: Erica Meltzer or Khan Academy (supplementary)
5. UWorld free trial (week 5)
6. Reddit r/SAT (motivation)

Timeline: 10-12 weeks, 15-20 hours/week
Total cost: $0

Complete Free GRE Prep Plan

Primary Resources:
1. Manhattan Prep free materials (weeks 1-6)
2. Khan Academy GRE (weeks 3-6, math review)
3. ETS official practice tests (weeks 8-10)

Secondary Resources:
4. YouTube: Manhattan Prep GRE (supplementary)
5. GREPrepClub forums (motivation, Q&A)
6. Anki flashcards for vocab (daily)

Timeline: 10-12 weeks, 15-20 hours/week
Total cost: $0-40 (ETS practice tests are $40 for full set, but first 2 are free)

Complete Free GMAT Prep Plan

Primary Resources:
1. GMAC official software (weeks 1-6, learning + practice tests)
2. YouTube: Manhattan Prep GMAT (weeks 2-8)
3. Beat the GMAT forums (motivation, study plans)

Secondary Resources:
4. YouTube: GMATNinja (weeks 4-8, verbal focus)
5. Anki vocab flashcards (daily, if doing verbal focus)

Timeline: 10-12 weeks, 15-20 hours/week
Total cost: $0

Complete Free IELTS Prep Plan

Primary Resources:
1. YouTube: E2IELTS (weeks 1-6)
2. British Council official resources (weeks 2-8)
3. IELTS Podcast (weeks 1-10, daily listening)

Secondary Resources:
4. BBC Learning English (supplementary, daily)
5. YouTube: IELTS Advantage (supplementary)

Timeline: 8-10 weeks, 12-15 hours/week
Total cost: $0

Building Your Own Free Prep Plan: The Framework

Step 1: Choose your primary resource
– One comprehensive resource per test (Khan Academy, Manhattan Prep, etc.)
– Commit to it for weeks 1-6 (learn fundamentals)

Step 2: Add practice
– Weeks 3-6: Supplement with practice questions (UWorld trial, official practice)
– Weeks 7-10: Full-length practice tests (3-4 total)

Step 3: Add community
– Join Reddit or forums for motivation and Q&A
– Reduces feeling of isolation

Step 4: Track progress
– Weekly practice test or section drills
– Spreadsheet: date, score, weak areas
– Adjust plan weekly based on data

Cost Comparison: Free vs. Paid

Bottom line: Free prep works. It takes slightly longer and requires more self-discipline, but you can achieve excellent results at zero cost.

Quality Red Flags: Resources to Avoid

❌ TikTok “hacks” — Quick tricks often don’t work on real tests
❌ Random YouTube channels — No track record, unvetted content
❌ Outdated prep books — Pre-2020 resources may not match current test formats
❌ Pirated prep materials — Legal risk; support legitimate creators
❌ Forums with lots of misinformation — Some forums have poor moderation
❌ Paid resources with poor reviews — If people complain, there’s a reason

Your Free Prep Resource Checklist

Choose Your Test:
– [ ] SAT
– [ ] ACT
– [ ] GRE
– [ ] GMAT
– [ ] IELTS
– [ ] TOEFL

Primary Resource (Pick one):
– [ ] Khan Academy OR
– [ ] YouTube comprehensive channel OR
– [ ] Manhattan Prep (for GMAT/GRE) OR
– [ ] British Council (for IELTS)

Practice Resources:
– [ ] Official practice tests (Khan Academy, ETS, GMAC, etc.)
– [ ] UWorld (free trial) or similar for supplementary drills
– [ ] Anki flashcards (if vocabulary-heavy test)

Community Resources:
– [ ] Join Reddit (r/SAT, r/GRE, etc.) for motivation
– [ ] Join forum (Beat the GMAT, GREPrepClub, etc.)

Schedule:
– [ ] Weeks 1-6: Primary learning resource
– [ ] Weeks 3-6: Add supplementary practice
– [ ] Weeks 7-10: Full-length practice tests
– [ ] Weeks 11-12: Final review and weak area targeting

Your Next Steps

Now that you have your free resources:

1. Plan your timeline: How Long Should You Study
2. Manage anxiety: How to Beat Test Anxiety
3. Decide on tutoring: Self-Study vs Tutoring vs Prep Course (to understand if you need to upgrade)

You can prepare excellently for any standardized admissions test without spending thousands of dollars. Khan Academy, official practice materials, and expert YouTube channels are genuinely high-quality. Commit to 10-12 weeks of consistent effort with these resources, and you’ll hit your target score.

Take your free test readiness assessment at yourdreamschool.com/assessment to identify which resources match your specific test and learning style.

Author

About Adam Girsault

With a Bachelor's (LLB) from UCL and Assas, and the Grande Ecole program at HEC Paris, Adam has over 10 years of experience in education and student mentoring. Passionate about helping students achieve their academic dreams, he co-founded Your Dream School to guide students through university admissions and interview preparation for top global institutions.

Know More About Adam