IELTS Essay Band 6 vs Band 7 vs Band 8: The Same Prompt, Three Scores

Quick answer

Across Band 6, 7 and 8 the topic and length barely change — control does. A Band 6 essay answers the task but develops ideas thinly and slips on grammar; Band 7 extends every point and stays accurate; Band 8 argues with precise vocabulary and near error-free sentences. Comparing one prompt at all three bands shows exactly which habits raise the score.

The most useful way to understand IELTS Writing bands is not to read the descriptors in the abstract — it is to see one prompt answered at three different levels and watch what actually changes. So that is what this article does. We take a single Task 2 question from our IELTS essay bank and walk through the Band 6, Band 7 and Band 8 responses to it, side by side, so the jump from one score to the next stops being mysterious.

The prompt is the same for all three: "In some countries, students must pay high tuition fees to attend university… To what extent do you agree or disagree that university education should be free for all?" You can write your own answer to it first on the free tuition practice page, then read on to place yourself.

The one-page version: what changes from 6 to 7 to 8

Your Writing score is the average of four equally weighted criteria. Here is how each one looks across the three bands on this exact prompt.

CriterionBand 6Band 7Band 8
Task Response Clear position, but ideas thinly developed; counter-argument answered in one line All parts covered; each idea extended with a reason and example Fully developed; the cost objection is answered with concrete policy design
Coherence & Cohesion Every paragraph opens with Firstly / Secondly / On the other hand; vague "this" Clear topic sentences; varied linkers; referencing mostly precise Paragraphs grow out of the previous one; reference chains almost invisible
Lexical Resource Adequate but repetitive; word-form errors (economical growth, goverment) Accurate collocations (widen access, financial barrier); rare slips Precise, natural phrasing (ration education by wealth, recoups its investment)
Grammar Mix of forms but frequent agreement errors (free education give) Variety of complex structures; most sentences error-free Wide range used flexibly; the great majority of sentences error-free

Notice what is not on that list: length, and "advanced" vocabulary. The Band 8 sample is barely longer than the Band 6 one. The score rises because of control, precision and development — not word count.

Band 6: competent, but under-developed

The Band 6 answer is not broken. It opens clearly — "Nowadays, university education is very expensive in many countries and a lot of students can not pay the fees" — states a position ("I agree"), and holds it to the conclusion. That clear, maintained position is exactly why it earns 6 rather than something lower.

What holds it at 6 is visible in three places:

  • Thin development. The funding counter-argument is dismissed in a single line ("take this money from other things, for example the military"), and the conclusion introduces a brand-new idea ("check that students are serious") without explaining it.
  • Mechanical cohesion. Every body paragraph begins with a stock connector, and references such as "this problem" leave the reader guessing what is meant.
  • Frequent grammar slips. Subject-verb agreement fails repeatedly: "free education give," "their family don't," "the government need." None of these stop communication — which is the Band 6 boundary — but they are constant.

Band 7: the same argument, brought under control

The Band 7 answer makes the same core points but controls them. The introduction reframes the issue instead of restating it: "the cost of a university degree has risen so sharply that tuition fees now decide who can study, rather than ability alone." That is not fancier vocabulary — it is a sharper idea.

Three things change from Band 6:

  • Ideas are extended. The access argument names a consequence ("take on large debts which affects their lives for decades") and the essay uses a real example — Germany abolishing tuition — instead of a vague gesture.
  • Cohesion is varied. Linkers such as "In this sense" and "Admittedly" show relationships between ideas rather than just numbering them.
  • Accuracy improves. A variety of complex structures — a "provided that" conditional, non-defining relative clauses — appear, and most sentences are now error-free. The few remaining slips ("take their studies serious," "it's talent") are what keep it off Band 8.

This is the single most valuable comparison for most candidates, because the Band 6-to-7 wall is where scores stall. If that is you, our dedicated guide on how to go from Band 6 to Band 7 in writing breaks the same four gaps down into drills.

Band 8: precision and near-perfect accuracy

The Band 8 answer reads differently from the first word: "Whether a university education should cost students anything at all is one of the more divisive questions in education policy." The argument is then made with unusual precision — fees "ration education by wealth rather than by ability," and the state "recoups its investment many times over across a working life."

  • The counter-argument is defeated, not just noted. The essay concedes free tuition subsidises the middle class, then answers with three specific policy fixes (capped funded places, progress conditions, targeted maintenance grants).
  • Vocabulary is precise, not rare. "Untapped potential," "financial deterrent," "a public good" — ordinary words placed exactly. Nothing looks memorised.
  • Grammar is almost flawless. Fronted clauses, participle phrases and a colon used correctly, with essentially one slip in the whole essay ("The Nordic countries… demonstrates"). That near error-free control is the heart of Band 8.

How to use these three essays to raise your own band

Reading samples passively does little. Here is the routine that works:

  1. Write your own answer to the prompt first, timed, on the practice page — before you look at any sample.
  2. Score it against the table above, one criterion at a time. Be honest about which band each paragraph sits at.
  3. Find your weakest criterion and fix only that. Most people are, say, a 7 on Task Response but a 6 on grammar; the average is what caps you.
  4. Get an objective second opinion. Paste your essay into our free IELTS writing checker for a free sample score and per-criterion feedback that flags the collocation and agreement slips a self-review usually misses. It is calibrated to the same four criteria used above.

More same-prompt band sets to study

The free-tuition set is not the only prompt we have written at multiple bands. To see the same 6-vs-7-vs-8 contrast on different topics, work through these:

Read the same criterion (say, Task Response) across all three versions of one prompt, then across a second prompt. The pattern repeats, and once you can see it, you can produce it. Browse the full collection in the IELTS essay bank and start with whichever topic you are most likely to face on test day.

Frequently asked questions

What is the real difference between a Band 6 and a Band 7 essay?

It is control, not length or fancier words. A Band 6 essay usually answers the task but develops ideas thinly, links paragraphs with stock connectors, and makes frequent grammar slips such as subject-verb agreement. A Band 7 essay extends every main idea with a reason and example, uses accurate topic collocations, and produces frequent error-free sentences. Comparing the same prompt at both bands makes the gap concrete.

How long does a Band 8 IELTS essay need to be?

There is no length target beyond the 250-word minimum for Task 2. Our Band 8 sample is only slightly longer than the Band 6 one; what changes is precision and development, not word count. Writing more without more control tends to add errors, which lowers the score rather than raising it.

Can I reach Band 8 by memorising advanced vocabulary?

No. Memorised phrases that do not quite fit are visible to examiners and often cost marks. Band 8 vocabulary is precise ordinary language used naturally — 'ration education by wealth', 'recoups its investment' — chosen because it fits the argument, not because it is rare.

How can I tell which band my own essay is?

Write a full timed answer to the same prompt, then compare it against the Band 6, 7 and 8 versions criterion by criterion. For a faster estimate, paste it into our free IELTS writing checker for a free sample score and criterion feedback.

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