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Practice HSK, IELTS, TOEFL, SAT, GRE, AWS, PMP and 50+ exams with free questions, mock tests and structured courses.
Azure Cloud Fundamentals Course
A structured beginner course covering Azure cloud concepts, core services, identity, governance, security, and cost management.
CompTIA A+ Core 1 Course
A structured CompTIA A+ Core 1 course covering the exam format, PC hardware and storage, networking, mobile devices, virtualization and cloud, and troubleshooting with linked practice questions.
CompTIA Security+ Foundations Course
A structured intermediate course covering CompTIA Security+ fundamentals: threats, vulnerabilities, cryptography, identity, network security, incident response, and compliance.
DELE B2 Spanish Proficiency Course
A free 5-lesson DELE B2 Spanish course covering B2 vocabulary and collocations, subjunctive grammar, reading and writing skills, and a complete four-prueba exam strategy with linked practice questions.
DELF B1 French Preparation Course
A free 5-lesson DELF B1 course covering test format, themed vocabulary, essential grammar, reading and listening skills, and a four-week practice plan, with French examples for self-study.
Docker & Kubernetes Foundations Course
A structured intermediate course covering Docker images, containers, volumes, networking, Compose, and core Kubernetes workloads, services, storage, and troubleshooting.
Duolingo English Test Preparation Course
A free 5-lesson Duolingo English Test course covering test format, core vocabulary, essential grammar, reading and listening skills, and a four-week practice plan, with English examples for self-study.
Google Cloud Fundamentals Course
A structured beginner course covering Google Cloud concepts, core services, data, networking, security, and pricing.
Google Ads Search Certification Foundations Course
A free 5-lesson Google Ads Search Certification foundations course covering account structure, keyword planning and match types, the auction and Quality Score, responsive search ads and extensions, plus conversion tracking and measurement.
IELTS Academic Reading Foundations Course
A structured intermediate course covering IELTS Academic Reading: skimming, scanning, vocabulary, paragraph structure, and exam strategy.
PMP Project Management Foundations Course
A structured intermediate course covering PMP foundations: process groups, scope, schedule, cost, quality, risk, stakeholders, and agile methods.
SAT Math Foundations Course
A structured beginner course covering SAT math foundations: algebra, problem solving, geometry, data analysis, and test strategy.
SAT Reading Foundations Course
A structured intermediate course covering SAT Reading: comprehension, vocabulary in context, evidence-based questions, text structure, and test strategy.
TOPIK I & II Korean Proficiency Course
A free 5-lesson TOPIK I and TOPIK II course covering test strategy, themed vocabulary, essential grammar, reading skills, and a four-week practice plan, with Korean examples and translations for self-study.
US Citizenship Civics Course
A structured US citizenship course covering the test format, American government, history, rights and responsibilities, national symbols, and interview practice with linked civics questions.
A-Level Maths Foundations Course
A free 5-lesson A-Level maths course covering algebra, functions, calculus, trigonometry, exponentials, logarithms, sequences and exam strategy with 80 linked practice questions.
ACT English & Math Foundations Course
Five lessons that build ACT skills: punctuation and sentence structure, usage and style, reading comprehension, algebra and data analysis, and geometry with test strategy.
Agile & Scrum Foundations Course
Five lessons that build Agile and Scrum skills: manifesto principles, roles, events, artifacts, planning, estimation, and scaling.
AP Calculus AB Foundations Course
A free 5-lesson AP Calculus AB course covering limits, continuity, derivatives, derivative applications, integrals and exam strategy with 80 linked practice questions.
AWS Solutions Architect Associate Foundations Course
A structured AWS SAA-C03 course covering global infrastructure, compute, storage, networking, databases, data services, security, cost optimization, and solution design with linked practice questions.
Cambridge A2 Key Foundations Course
A free 5-lesson Cambridge A2 Key course covering everyday vocabulary, simple grammar, reading notices and short texts, writing short messages and exam strategy.
Cambridge B1 Preliminary Foundations Course
A free 5-lesson Cambridge B1 Preliminary course covering vocabulary, grammar, reading tasks, writing skills and exam strategy with 80 linked practice questions.
Cambridge B2 First Foundations Course
A free 5-lesson Cambridge B2 First course covering grammar, vocabulary, Reading and Use of English, reading skills and exam strategy with 80 linked practice questions.
Cambridge C1 Advanced Foundations Course
A free 5-lesson Cambridge C1 Advanced course covering advanced grammar, vocabulary, reading and writing skills and exam strategy, with linked practice questions.
Cambridge C2 Proficiency Mastery Course
A free 5-lesson Cambridge C2 Proficiency course covering advanced vocabulary, grammar, reading and writing skills and exam strategy, with linked practice questions.
CFA Level 1 Foundations Course
A structured CFA Level 1 course covering the exam format, ethics, quantitative methods, economics, financial reporting, corporate issuers, portfolio management, fixed income, and equity investments with linked practice questions.
Chinese Character Foundations Course
A free structured beginner course for learning Chinese characters: components, radicals, stroke order, structure, and a review strategy linked to 80 practice questions.
CISSP Security Foundations Course
Five lessons that build CISSP foundations: governance, risk, asset security, architecture, cryptography, network security, IAM, operations, and secure development.
FRM Part 1 Foundations Course
A structured FRM Part 1 course covering risk foundations, quantitative analysis, financial markets and products, valuation and risk models, market risk, credit risk, operational risk, and liquidity risk with linked practice questions.
GCSE Maths Foundations Course
A free 5-lesson GCSE maths course covering number and ratio, algebra, geometry, statistics and probability, plus exam strategy and 80 linked practice questions.
GMAT Quantitative & Verbal Foundations Course
A free GMAT preparation course covering quantitative reasoning, data sufficiency, critical reasoning, sentence correction, and linked practice questions to help you master the GMAT Focus format and build a confident study routine.
GRE Verbal & Quantitative Foundations Course
Build the core skills and strategies you need for the GRE with five focused lessons on verbal reasoning, quantitative reasoning, and test-day planning. Each lesson pairs clear foundations with worked examples you can apply immediately.
HSK 1 Pinyin & Character Foundations Course
A beginner HSK 1 course covering pinyin, tones, characters, greetings, numbers, time, family, places, food, objects, and core verbs. Build sentence skills through authentic Chinese examples and a 100-question practice bank.
HSK 2 Vocabulary Foundations Course
Build practical HSK 2 vocabulary with pinyin, characters, particles, and everyday words. Work through 163 targeted questions across 5 lessons on daily life, family, education, and review strategy.
HSK 3 Mock Exam Foundations Course
A 5-lesson intermediate course covering HSK 3 exam format, essential grammar, everyday situations, and review strategy with 80 original mock exam questions.
HSK 4 Vocabulary & Grammar Foundations Course
A structured intermediate course for HSK 4: high-frequency vocabulary, verb patterns, connectors, sentence structures, and a review strategy linked to 80 practice questions.
HSK 5 Vocabulary & Grammar Course
A free 5-lesson HSK 5 course covering test format, advanced vocabulary, idioms, grammar, reading and writing, plus an eight-week practice plan linked to 80 questions.
HSK 6 Vocabulary & Grammar Course
A free 5-lesson HSK 6 course covering test format, advanced vocabulary, idioms, grammar, reading and writing, plus an eight-week practice plan linked to 80 questions.
IB Maths Foundations Course
A free 5-lesson IB Maths course covering algebra, functions, calculus, trigonometry, statistics, probability and exam strategy with 80 linked practice questions.
IELTS Listening Foundations Course
A free IELTS listening preparation course that builds the core skills tested in all four sections: question types, numbers and names, speaker intent, and note-taking. Each lesson links to practice questions so you can apply what you learn immediately.
JLPT N1 Vocabulary & Grammar Course
A free 5-lesson JLPT N1 course covering test format, advanced vocabulary, grammar, kanji, reading skills, and an eight-week practice plan, with example sentences for self-study.
JLPT N2 Vocabulary & Grammar Course
A free 5-lesson JLPT N2 course covering test format, vocabulary, grammar, kanji, reading skills, and a six-week practice plan, with example sentences for self-study.
JLPT N3 Vocabulary & Grammar Course
A free 5-lesson JLPT N3 course covering vocabulary, grammar, kanji, reading skills, and a four-week practice plan, with explanations and real example sentences for self-study.
JLPT N4 Vocabulary & Grammar Course
A free study course with 5 structured lessons covering N4 vocabulary, grammar, kanji, reading skills, and a four-week practice plan. Learn with clear explanations, real Japanese examples, and step-by-step guidance for the JLPT N4 exam.
JLPT N5 Foundations Course
A structured beginner course for the JLPT N5 test covering the exam format, core vocabulary, essential grammar and particles, kanji foundations, and a practical weekly review plan with linked practice questions.
LSAT Logical Reasoning Foundations Course
Five lessons that build LSAT Logical Reasoning skills: finding conclusions, identifying assumptions, strengthening and weakening arguments, recognizing flaws, and handling inferences, principles, roles, and paradoxes.
Mandarin Pinyin Foundations Course
A free structured beginner course for Mandarin pinyin: initials, finals, tones, syllable spelling, common words, and a review strategy linked to 80 practice questions.
NCLEX-RN Foundations Course
A structured NCLEX-RN course covering safe and effective care, health promotion, psychosocial integrity, physiological integrity, pharmacology, nursing fundamentals, maternity and newborn care, and pediatric nursing with linked practice questions.
Overseas Life Foundations Course
Five practical lessons that prepare you for living abroad: time zones, money, units, travel, transport, banking, renting, health, and everyday English.
PRINCE2 Foundation Basics Course
Five lessons that build PRINCE2 Foundation skills: principles, themes, processes, roles, management products, risk, change, and project closure.
Python Coding Interview Foundations Course
A structured Python course for coding interviews covering language fundamentals, data structures, functions and comprehensions, OOP and exceptions, plus algorithms and interview strategy with linked practice questions.
System Design Interview Foundations Course
A structured course covering interview roadmap, capacity estimation, scalability, databases, APIs, microservices, reliability, observability, and security with linked practice questions.
TOEFL iBT Foundations Course
A free TOEFL preparation course that builds reading, academic vocabulary, and integrated skills through five focused lessons with linked practice questions.
TOEIC Listening & Reading Foundations Course
A structured intermediate course for the TOEIC Listening & Reading test covering the exam format, workplace listening, business reading, sentence completion, and a practical weekly review plan with linked practice questions.
USMLE Step 1 Foundations Course
A structured USMLE Step 1 course covering exam strategy, foundational sciences, pharmacology, immunology, microbiology, pathology, oncology, clinical presentation, psychiatry, bioethics, genetics, and reproductive systems with linked practice questions.
AWS Cloud Practitioner Basics
A structured beginner course covering AWS cloud concepts, core services, security, and billing.
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