IGCSE English Grade Boundaries: What A*, A, B and C Actually Mean

IGCSE English grades — A*, A, B, C, D, E, F, G — are often discussed without a clear understanding of what they represent in practice. What marks do you actually need? How are grade boundaries set? And how much does each grade really matter?

Here’s a clear explanation of how IGCSE English grading works.

How Grade Boundaries Are Set

Cambridge IGCSE does not use fixed mark thresholds for each grade. Instead, grade boundaries are set after each exam sitting by a team of senior examiners who review the mark distribution and the quality of work at different mark levels. This means the exact mark you need for an A in any given year depends on how all candidates performed that year — grade boundaries vary slightly between exam sessions.

Cambridge publishes grade threshold documents for every exam session, which show the minimum mark required for each grade on each paper. These are publicly available and worth studying when preparing for the exam.

What the Grades Represent

In broad terms, here’s what each grade range represents in terms of exam performance:

  • A* (the highest grade): Consistently excellent performance across all components. In English Language: strong language analysis with specific, well-developed effects; directed writing that demonstrates clear form awareness and consistent register; creative writing with real craft; summary that is accurate, concise, and expressed in genuinely the student’s own words.
  • A: Very strong performance with occasional inconsistency. The analysis is good but may not always sustain depth; directed writing is largely appropriate but register or form may slip; creative writing is effective but may not surprise or take the risks that A* work does.
  • B: Solid, competent performance. Questions are understood and answered relevantly; technique is applied reasonably well but often at surface level; writing demonstrates control but lacks the precision and range of vocabulary of higher grades.
  • C: Adequate performance demonstrating basic skills. Some questions may be answered partially or with limited development; language analysis tends to identify features without explaining effects well; writing is adequate but may have errors in sentence structure or punctuation.
  • D and below: Partial achievement of the assessment objectives. Questions may be misunderstood or answered with limited relevance; analysis may be very surface-level; writing may have significant technical errors that obscure meaning.

How Much Does the Grade Matter?

For university entry to UK universities, IGCSE English Language at grade C (or grade 4 equivalent) is typically a minimum requirement. Many competitive courses require a B or A. A* in IGCSE English Language signals strong communication skills and is valued by universities and employers as a marker of genuine literacy.

For A-Level English specifically, most sixth forms and colleges require at least a B in IGCSE English Language to take the A-Level. Some ask for an A.

The Difference Between a B and an A

In practice, the difference between a B and an A in IGCSE English usually comes down to one or two specific skills. The most common are: language analysis depth (B answers name and quote; A answers explain the specific effect of the specific language choice), summary accuracy (B answers include some paraphrase but also some lifted phrasing; A answers are consistently in the student’s own words), and directed writing register (B answers are broadly appropriate but may slip; A answers sustain the correct register throughout).

These are all learnable, improvable skills. The gap between a B and an A is not usually talent — it’s technique, consistently applied.


At Thorogood English, every student’s target grade is discussed at the outset — and the specific skills that need developing to reach it are identified and addressed directly. Join the waiting list for January 2027 classes.

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