Free guides
Diploma Programme study guides
Practical guides covering every assessed component of the Diploma Programme — Internal Assessment, Extended Essay, TOK, and 26 supported subjects. Each guide is written against the official assessment criteria for that subject.
Featured guides
How to write an Internal Assessment
Session-aware guide covering research questions, methodology, evidence, analysis, evaluation, citations, and subject-specific criteria.
How to write an IA research question
The four-part test a good research question must pass, five mistakes that sink one, and weak-vs-strong examples across subjects.
IB IA structure, section by section
What each section of an IA is for, how many words to give it, and which criterion it earns marks on — across sciences, maths, and humanities.
IB IA word limits by subject
Commonly cited word and page limits per subject, what counts toward the limit, and what happens if you go over.
IB Extended Essay rubric 2026
The 34-mark rubric for sessions through November 2026: all 5 criteria, structure, RPPF guidance, and session-aware grading caveats.
Extended Essay 2027: new criteria
The new 30-mark rubric, Criteria A–E, the interdisciplinary pathway, and the 500-word RPF reflection — for first assessment May 2027.
Extended Essay topics by subject
Starting-point EE topics across every subject group, each with how to narrow it into a research question.
TOK essay guide
Essay structure, Areas of Knowledge, mark band descriptors, and how to build a sustained TOK argument.
TOK prescribed titles: choosing & unpacking
How the six-title system works, which title to choose, and a step-by-step method for turning a title into an argument.
TOK essay titles May 2027 — all six prescribed titles
The exact May 2027 prescribed-title set, title-by-title unpacking, common traps, AOK choices, and how to choose the title you can finish.
IB IA feedback tools compared (2026)
Compare rubric alignment, criterion scoring, integrity, pricing, and subject coverage — with the evaluation method disclosed.
ChatGPT vs iBacalao for IB IA
Side-by-side comparison for students deciding between general AI and IB-specific feedback.
IB grade distributions 2025–2026
154 subject-level rows derived from official IB statistical bulletins, kept separate by level, exam session, and provisional/final status.
Subject-specific assessment guides
Each guide shows the configured assessment criteria for that subject and session, with mark bands and what each criterion rewards.
Stop reading about it
Upload your draft and get criterion-by-criterion feedback in minutes.