Lesson planning holds the teacher’s intended sequence against syllabus units, and records what was actually taught. The gap between the two is the useful output: by November a head of department can see which sections are behind on which units, while there is still term left to do something about it.
Coverage is recorded by the teacher. It reflects what they say was taught, which is the only source that exists — the system does not verify it.
Lesson plans are usually collected, filed and never read again. The version worth maintaining is the one that answers a different question: not what was planned in April, but what has actually been covered by the second week of November.
A plan expressed as dates goes stale the first week a section loses two periods to a sports day. A plan expressed as an ordered sequence of syllabus units survives, because the question it answers — how far through are we — stays meaningful when the calendar moves.
Each unit carries an expected number of periods, which is what turns coverage into a projection: a section eleven periods behind at the halfway point is not going to finish without intervention, and that is worth knowing in November rather than in February.
Two sections of the same class, same subject, taught by different teachers, at different points in the syllabus. That comparison is the reason heads of department open this at all, and it is also the reason coverage has to be quick to mark — a screen that takes a teacher four minutes per lesson will be filled in retrospectively on a Sunday, and then it is fiction.
Phrased the way they arrive, answered so each one stands on its own.
That is the school’s policy, not ours. Many schools plan at unit level and mark coverage per lesson, which takes seconds rather than minutes and is far likelier to stay accurate.
Yes — that comparison is the primary output. Same class, same subject, different teachers, shown against the same unit sequence.
Yes, through the syllabus unit. Homework is set against a unit and examination blueprints allocate marks to units, so coverage and assessment can be compared.
Checked by the Implementations desk on 6 September 2026. Corrections go in the page, dated, rather than quietly.
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