How IELTS Is Scored: The Examiner's Perspective
Understanding how your IELTS test is scored gives you a significant strategic advantage. Many test-takers focus on improving their English generally without understanding which specific improvements will actually raise their band score. The IELTS scoring system is not mysterious — it is based on published band descriptors that tell you exactly what examiners are looking for at each level.
Listening and Reading are scored objectively: correct answers are counted and converted to a band score. Writing and Speaking are scored by trained examiners using detailed rubrics. This guide focuses primarily on Writing and Speaking, where understanding the scoring criteria can directly influence your preparation strategy.
Writing: The Four Criteria
Each Writing task is assessed on four criteria, equally weighted at 25% each:
1. Task Achievement / Task Response (25%)
For Task 1: Did you cover all the required information? Did you describe the key features? Did you make relevant comparisons?
For Task 2: Did you address all parts of the question? Is your position clear throughout? Did you develop your ideas with relevant examples and explanations?
At band 6, you address the task but some parts may be inadequately covered. At band 7, you address all parts fully with a clear position throughout. At band 8-9, you present a well-developed response with relevant, extended, and well-supported ideas.
Task Response is where most band 6 writers lose marks. The most common issue is not answering the actual question asked. Before writing, underline the key instruction words in the prompt (discuss, agree/disagree, advantages/disadvantages, causes/solutions) and make sure your essay directly addresses them.
2. Coherence and Cohesion (25%)
Is your writing logically organized? Do your ideas flow smoothly from one to the next? Do you use linking devices effectively without overusing them?
At band 6, cohesive devices are used but sometimes inaccurately or mechanically. At band 7, information and ideas are logically organized with clear progression. At band 8-9, cohesion is managed skillfully with rare lapses.
Key elements examiners look for: clear paragraph structure, effective topic sentences, logical sequencing of ideas, appropriate use of linking words, and reference words (pronouns, determiners) that connect back to earlier content.
3. Lexical Resource (25%)
Do you use a sufficient range of vocabulary? Can you use less common words accurately? Do you show awareness of collocations and word forms?
At band 6, vocabulary is adequate but errors occur when attempting less common words. At band 7, vocabulary is used flexibly and precisely with occasional inaccuracies. At band 8-9, vocabulary is used with full flexibility and precision.
Examiners notice: topic-specific vocabulary (not just general words), accurate collocations ("raise awareness" not "increase awareness"), word form accuracy ("environmental" not "environment" when an adjective is needed), and spelling accuracy.
4. Grammatical Range and Accuracy (25%)
Do you use a variety of sentence structures? Are your sentences accurate? Can you use complex grammar without frequent errors?
At band 6, you use a mix of simple and complex sentences with some errors. At band 7, you use a variety of complex structures with frequent error-free sentences. At band 8-9, you produce error-free sentences with only occasional minor slips.
Examiners look for: a mix of simple and complex sentences, accurate use of tenses, correct article usage, subject-verb agreement, and the ability to use subordinate clauses, passive voice, and conditional structures.
Speaking: The Four Criteria
Speaking is also assessed on four equally weighted criteria:
1. Fluency and Coherence (25%)
Can you speak at length without noticeable effort? Is your speech logically organized? Do you use discourse markers naturally?
Examiners listen for: the ability to speak at length without frequent pauses, logical sequencing of ideas, appropriate use of discourse markers ("well," "actually," "in fact"), and the ability to self-correct smoothly.
2. Lexical Resource (25%)
Do you use a range of vocabulary? Can you discuss topics using less common words? Do you paraphrase effectively when you do not know the exact word?
Examiners notice: topic-specific vocabulary, ability to paraphrase, use of idiomatic language, and whether vocabulary is used precisely or approximately.
3. Grammatical Range and Accuracy (25%)
Do you use varied sentence structures? Are most of your sentences grammatically correct? Can you use complex grammar naturally?
Examiners listen for: a mix of sentence types, accurate tense usage, correct verb forms, and the ability to use complex structures without frequent errors.
4. Pronunciation (25%)
Are you clearly understood? Do you use stress, rhythm, and intonation effectively? Can individual sounds be easily identified?
Examiners assess: word stress accuracy, sentence stress patterns, intonation variation (not monotone), clear individual sounds, and connected speech features.
How Scores Are Calculated
For Writing, each task is assessed on the four criteria above. Task 1 contributes one-third and Task 2 contributes two-thirds of the total Writing score.
For Speaking, all three parts contribute to a single assessment across the four criteria. There is no separate score for Part 1, Part 2, and Part 3 — the examiner gives one score per criterion based on your overall performance.
The overall band score is the average of Listening, Reading, Writing, and Speaking, rounded to the nearest half band.
Using Band Descriptors Strategically
The official IELTS band descriptors are publicly available on the British Council and IDP websites. Read them carefully for your target band and identify the specific requirements. Then tailor your practice to address those requirements.
- If you are aiming for band 7 in Writing: Focus on addressing ALL parts of the question (Task Response), using linking words naturally (Coherence), using some less common vocabulary accurately (Lexical Resource), and producing frequent error-free complex sentences (Grammar).
- If you are aiming for band 7 in Speaking: Focus on speaking at length without noticeable effort (Fluency), using topic-specific vocabulary (Lexical), using complex structures with good accuracy (Grammar), and varying your intonation (Pronunciation).
WitPrep's AI Essay Grader uses the same four-criteria framework as official IELTS examiners. Each submission receives scores and specific feedback across Task Response, Coherence, Lexical Resource, and Grammar — giving you a clear picture of exactly where to focus your improvement efforts.
If you are stuck at band 6, read our guide on common mistakes that keep you at band 6. For targeted preparation, see our study plans for 1, 2, and 3 months.