Most students preparing for IELTS Academic know the score range (0–9) but not how their Overall Band Score is actually built — and that gap causes real, avoidable study mistakes.
Four separate scores, then an average
IELTS Academic tests four skills independently — Listening, Reading, Writing, Speaking — and gives each one its own band score from 0 to 9. Your Overall Band Score is the average of those four, rounded to the nearest whole or half band (so a 6.625 average rounds up to 6.5).
That averaging is the single most important thing to understand about IELTS prep: a weak Speaking score can't be fully offset by a strong Reading score if the gap is large, because you're averaging four numbers, not just adding raw points. If your target is a 7.0 Overall and you're sitting at 8.0 / 8.0 / 5.5 / 6.5, the math says you need to close the Writing and Speaking gap specifically — more Reading practice won't move the average much.
Listening and Reading are scored differently from Writing and Speaking
Listening and Reading are marked on a raw-score-to-band conversion table — you get a number of correct answers out of 40, and that maps to a band. This means those two sections have an objectively "correct" answer key.
Writing and Speaking are assessed by trained examiners against public band descriptors — Task Achievement/Response, Coherence & Cohesion, Lexical Resource, and Grammatical Range & Accuracy for Writing; Fluency & Coherence, Lexical Resource, Grammatical Range & Accuracy, and Pronunciation for Speaking. This is why generic "just practice more" advice works less well for these two sections — you need feedback against those specific criteria, not just more attempts.
The most common band-score mistake
Students often over-invest in the section they enjoy most (usually Reading or Listening, since progress feels measurable) and under-invest in Speaking, since practicing it alone is awkward and self-assessment is unreliable — you genuinely can't hear your own fluency and coherence the way an examiner does. If your Speaking band has been stuck for weeks despite practice, that's usually a sign you need actual examiner-style feedback on specific criteria, not more repetition.
How Edrizz handles this differently
Edrizz's IELTS Writing and Speaking modules give you AI-assessed feedback against the real band descriptors — per-criterion scores, not just an overall number, so you can see specifically whether it's Lexical Resource or Coherence that's capping your Writing band, and get concrete next steps instead of a guess.