Study guides

How to study for any exam or subject

Step-by-step study guides for exams and subjects, from the SAT and MCAT to calculus, biology, and Spanish.

Exam prep

Test prep

How to Prepare for IELTS

A section-by-section IELTS prep plan covering Listening, Reading, Writing, and Speaking, with band-score targets and a realistic study timeline.

· 6 min read

Test prep

How to Prepare for the TOEFL

A TOEFL iBT prep plan covering Reading, Listening, Speaking, and Writing, with the integrated-task strategy that separates high scores from average ones.

· 6 min read

Test prep

How to Revise for A-Levels

An A-Level revision plan for sixth-form students: how to prioritize specification content, structure extended answers, and pace revision across a two-year course.

· 5 min read

Test prep

How to Revise for GCSEs

A GCSE revision plan covering the 9-1 grading system, how to build a subject-by-subject timetable, and the exam technique that lifts written-paper marks.

· 5 min read

Test prep

How to Study for AP Exams

A subject-agnostic AP exam study plan: how the 1-5 scoring works, how to split time between multiple-choice and free-response prep, and what graders reward.

· 6 min read

Test prep

How to Study for the ACT

How to prepare for the ACT's four sections, why pacing beats content review on this test, and a study plan that fits whether you have a month or a week.

· 5 min read

Test prep

How to Study for the GMAT

How to prepare for the GMAT's Quant, Verbal, and Data Insights sections, and why data sufficiency and time management decide most scores.

· 6 min read

Test prep

How to Study for the GRE

A realistic GRE study timeline covering Verbal, Quant, and the Analytical Writing section, plus how to build vocabulary without brute-force memorizing word lists.

· 6 min read

Test prep

How to Study for the LSAT

A section-by-section LSAT prep plan covering Logical Reasoning and Reading Comprehension, how to build timing under pressure, and what actually moves your score.

· 6 min read

Test prep

How to Study for the MCAT

A high-yield MCAT prep plan across all four sections, how to build passage strategy for CARS, and the pacing that gets you through a 7.5-hour exam.

· 6 min read

Test prep

How to Study for the NCLEX

An NCLEX-RN study plan organized around the client-needs categories, how to master prioritization questions, and a realistic timeline for exam-day readiness.

· 5 min read

Test prep

How to Study for the PSAT

How to prepare for the PSAT/NMSQT, why it shares most of its content with the SAT, and how much prep actually moves your National Merit odds.

· 5 min read

Test prep

How to Study for the SAT

A section-by-section SAT study plan: what Reading & Writing and Math actually test, how to pace each module, and how to turn practice tests into real point gains.

· 6 min read

Test prep

How to Study for the USMLE

A high-yield USMLE Step 1 and Step 2 CK study plan built around vignette practice, pharmacology recall, and how to structure the final weeks before test day.

· 5 min read

Subject guides

English & writing

How to Improve English Grammar

A practical system for fixing English grammar: which rules to drill first, how to turn your own mistakes into practice, and how to make the fixes stick.

· 6 min read

English & writing

How to Improve Vocabulary

How to build vocabulary that actually sticks: learning words in context, spacing reviews correctly, and why word-a-day lists rarely work long term.

· 5 min read

Mathematics

How to Learn Algebra

How to build real algebra fluency through daily problem sets instead of re-reading rules, from equations through factoring.

· 4 min read

Mathematics

How to Learn Calculus

A practical plan for learning calculus by working problems first, from limits through integrals, without drowning in passive review.

· 5 min read

Computer science

How to Learn Data Structures and Algorithms

A study plan for data structures and algorithms: what order to learn them in, how to practice for real understanding, and prepping for interviews.

· 6 min read

English & writing

How to Learn English as a Second Language

A structured path for adult ESL learners: which skills to build in what order, how to practice speaking without a classroom, and realistic timelines by level.

· 6 min read

World languages

How to Learn French

A self-study plan for French: how to handle gendered nouns and liaison, which verbs to learn first, and how to build real listening comprehension.

· 6 min read

World languages

How to Learn German

How to approach German cases, word order, and compound nouns as a self-learner, with a practical order for what to study first.

· 6 min read

Computer science

How to Learn Machine Learning

A realistic roadmap for learning machine learning from scratch: the math you actually need, project-first practice, and common beginner traps.

· 6 min read

Arts

How to Learn Music Theory

A practical path into music theory: pairing every concept with your ear and your instrument, so notation and terminology stick instead of staying abstract.

· 5 min read

World languages

How to Learn Spanish

A practical plan for learning Spanish on your own: what to drill first, how to handle gender and conjugation, and how to make vocabulary stick.

· 6 min read

Data science & analytics

How to Learn SQL

How to learn SQL efficiently: the core commands to master first, how to practice on real data, and mistakes that slow beginners down.

· 5 min read

Computer science

How to Learn to Code

A beginner's roadmap for learning to code: which language to start with, how to practice so it sticks, and the mistakes that stall most self-learners.

· 6 min read

Mathematics

How to Learn Trigonometry

A practical approach to trigonometry that builds real intuition for the unit circle and identities instead of memorizing formulas cold.

· 4 min read

Business

How to Study Accounting

How to actually learn accounting: work problems instead of rereading rules, master the accounting equation, and build the habits that make debits and credits click.

· 6 min read

Arts

How to Study Art History

How to study art history efficiently: recognizing period and style before memorizing artist names, and building visual analysis skills exams actually test.

· 5 min read

Biology

How to Study Biology

How to study biology efficiently by connecting facts into systems instead of memorizing lists, so material sticks past the next exam.

· 4 min read

Economics

How to Study Economics

A practical approach to studying economics: how to read graphs and models, think on the margin, and turn abstract theory into answers you can actually write.

· 6 min read

Geography

How to Study Geography

How to study geography without drowning in facts: separating map skills from factual recall, and the review system that keeps both from fading.

· 5 min read

History

How to Study History

How to study history for real understanding: building timelines that hold together, arguing with sources instead of memorizing them, and reviewing without cramming dates.

· 6 min read

Medicine & health sciences

How to Study Nutrition

How to study nutrition as an academic subject: linking biochemistry to real diets, working through case-based reasoning, and avoiding rote memorization of numbers.

· 5 min read

Philosophy

How to Study Philosophy

How to study philosophy without drowning in dense texts: reconstruct arguments premise by premise, read actively, and practice writing objections.

· 6 min read

Physics

How to Study Physics

How to study physics by working problems from first principles instead of memorizing formulas, so unfamiliar exam questions stop being scary.

· 5 min read

Psychology

How to Study Psychology

How to study psychology effectively: separate theory from research methods, learn terminology through examples, and avoid the trap of recognizing concepts you can't yet explain.

· 6 min read

Sociology & anthropology

How to Study Sociology

How to study sociology well: learn theories as tools for reading real situations, not abstract labels, and build the habit of applying frameworks to current examples.

· 5 min read

Mathematics

How to Study Statistics

How to study statistics by working through real data problems and building intuition for when to use each test, not just formulas.

· 4 min read

English & writing

How to Write a Good Essay

A repeatable essay-writing process: how to build an argument before drafting, structure paragraphs that hold a claim, and revise without starting over.

· 6 min read

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