IELTS Band Descriptors: Complete Guide to the 9‑Band Scale

Quick answer: what the 9‑band scale does

The IELTS 9‑band scale measures English ability from 0 (no attempt) to 9 (expert user). Writing and Speaking are judged using public band descriptors that list specific criteria examiners use.

Why these band descriptors matter

If you're preparing for IELTS, you should know the band descriptors. They describe what examiners expect in Writing and Speaking and help you set clear learning targets, create practice tasks, and check sample answers. The public band descriptors are the official reference used by examiners, and you can download them from the British Council and IELTS websites.

What the IELTS band descriptors measure

The public band descriptors explain performance across four main criteria for productive skills.

• Writing (Task 1 and Task 2 / Academic and General Training): Task achievement (or task response for Task 2), Coherence & Cohesion, Lexical Resource, Grammatical Range & Accuracy.
• Speaking: Fluency & Coherence, Lexical Resource, Grammatical Range & Accuracy, Pronunciation.

The official PDFs describe these criteria so teachers, students and institutions can use the same standards. Institutions that accept IELTS often refer to these descriptors when they set entry requirements for courses in the UK, Australia, Canada and other countries.

The 9‑Band summary: quick reference table

This table is a short summary. Read the official PDFs for the full descriptors.

Writing band descriptors: what examiners check

Examiners grade Writing against four equal criteria. To reach a higher band you need to meet the descriptor for each criterion.

Task achievement / Task response

• Task 1 (Academic/General): Include the key features and give an overview for Academic or a clear purpose for General Training.
• Task 2: Answer the question directly. State a clear position and develop it with relevant examples.

Do/Don't examples:

Coherence & Cohesion

• Put ideas in a logical order and use paragraphs for main points.
• Use linking words when they help, but don't rely on one connector all the time.

Correct vs incorrect: Correct: "First, sales rose by 20%. Second, profits increased because..." Incorrect: "Sales rose. And then profits up. Because..."

Lexical Resource

• Use a range of vocabulary accurately.
• Avoid repeating the same words; use common collocations and precise terms.

Correct vs incorrect: Correct: "significant decrease" Incorrect: "big smalling" (incorrect collocation)

Grammatical Range & Accuracy

• Use complex sentence structures when they make your point clearer.
• Avoid frequent errors that make meaning unclear.

Do/Don't examples:

For the full, authoritative writing descriptors see the official IELTS Writing Band Descriptors (downloadable from the British Council). These PDFs list the public band statements for each band (0–9) and both tasks.

Speaking band descriptors: how to get a higher band

Speaking is judged on four criteria. Each has public descriptors that describe performance at each band.

Fluency & Coherence

• Speak at a natural pace with few long pauses.
• Link ideas and expand answers where appropriate.

Good vs poor example: Good: "I use public transport most days because it's cheaper and reliable; for example..." Poor: "I... uh... take bus. Bus is good."

Lexical Resource

• Use varied vocabulary and correct collocations.
• Paraphrase when you don't know a word.

Correct vs incorrect: Correct: "I’m responsible for budgeting and scheduling." Incorrect: "I do money job and time job."

Grammatical Range & Accuracy

• Use both simple and complex sentences accurately.
• Occasional slips won't hurt a high band, but repeated errors will.

Pronunciation

• Make your meaning clear with word and sentence stress and intonation.
• A strong accent is fine as long as your pronunciation is understandable.

The official Speaking Band Descriptors PDF shows concrete phrases examiners use to judge fluency, vocabulary, grammar and pronunciation. Record sample speaking tests and compare your performance to the public descriptors to estimate your band.

How IELTS scores are calculated and reported

IELTS gives a band score for each section (Listening, Reading, Writing, Speaking) and an overall band. The overall band is the average of the four section scores, rounded to the nearest whole or half band. Listening and Reading use objective answer keys; Writing and Speaking use the public band descriptors and trained examiners. The system and descriptors are maintained by the IELTS partners (British Council, IDP and Cambridge).

Different institutions use section scores in different ways. Some universities require an overall score plus minimum scores in each skill (for example, overall 6.5 with at least 6.0 in each). Use the public descriptors to explain what each band means for course performance. For guidance on interpreting productive skills and setting entry criteria, consult the official IELTS guidance for institutions.

Applying descriptors across curricula and exam boards (IGCSE, IB, SPM)

Many schools use IELTS descriptors when preparing students for academic English in different curricula:

• IGCSE (Cambridge International) and IB Diploma students benefit from practising extended writing and oral presentations because those tasks map to IELTS task response and fluency criteria.
• SPM (Malaysia) students can use the band descriptors to move from local rubrics to international test standards.
• Teachers working with Cambridge, Edexcel, AQA or national boards can align classroom rubrics to the IELTS descriptors when preparing students for study abroad or university admission.

Practical suggestion: map one unit of classroom assessment (for example, an IB Extended Essay draft or an IGCSE writing task) against the IELTS writing descriptors to find gaps in coherence, vocabulary and grammar.

Practical checklist: move from one band to the next

Use this checklist during practice and mock tests (/blog/ielts-mock-tests):

1. Compare a sample answer to the public band descriptor for your target band.
2. For Writing: fix the weakest criterion first (often Lexical Resource or Coherence). Use model answers but adapt vocabulary to sound natural. See our Task 2 guide: /blog/ielts-task-2-tips.
3. For Speaking: record 2–3 full responses and mark them against the descriptors. Work with a tutor to correct recurring pronunciation or grammar problems.
4. Time every practice exactly as in the test. Reduce long pauses and practise linking sentences.
5. Get official feedback when possible. Use sample materials from Cambridge and examiner webinars to understand examiner expectations.

Final notes and official sources

Use the official public band descriptors as your main reference. You can download the Writing and Speaking band descriptors from the British Council or consult IELTS guidance for institutions to see how descriptors map to university requirements. For teaching resources and assessment PDFs visit the official pages.