Study Skills
How to Revise Effectively Before an Exam
With two weeks left, the goal changes from "learn everything" to "lose the fewest marks possible." Those need different plans.
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This is specifically about the final stretch — roughly the last one to two weeks before an exam — not general term-time revision. The strategy is different because the constraint is different: you no longer have enough time to properly learn something you don't already know, so the goal shifts from learning to triage.
Stop trying to cover everything
With two weeks left, a topic you genuinely don't understand at all is unlikely to become a strong topic no matter how you spend that time — and trying anyway usually means neglecting topics you could actually shore up. Be honest about which weak topics are recoverable (you've seen it before, it's shaky rather than absent) and which aren't (you're starting from zero). Spend your time on the first group.
Triage your subjects and topics into three groups
| Group | What to do |
|---|---|
| Solid | Light maintenance only — one past question a day is enough to keep it fresh |
| Shaky but recoverable | Most of your remaining time — targeted recall practice and past questions |
| Weak and unlikely to fix in time | A brief, honest pass to catch easy marks (definitions, basic formulae) — don't chase depth here |
Past papers under real exam timing, not open-book review
In the final stretch, the highest-value activity is usually a full, timed past paper, marked properly, for each of your main subjects — ideally at least one in the last week. This does three things at once: it surfaces exactly which topics still need attention, it builds the stamina to sustain focus for the actual exam length, and it gets you used to the real format so nothing on exam day is a surprise.
Review the paper the same day you sit it
Marking a past paper and moving straight to the next subject wastes most of its value. Go through every wrong answer and understand specifically why it was wrong before you move on — that review is where the actual learning happens, not the act of sitting the paper.
Shrink your sessions, don't stretch them
It's tempting to respond to time pressure with longer sessions — six, eight hours a day. Past a certain point, usually well under that, focus and recall both drop off sharply, and you're spending hours to get the productive output of one. Shorter, well-defined sessions (attempt this past question, review these ten flashcards, redo this specific topic) with real breaks between them get more done in the final stretch than marathon sessions do.
Protect sleep, especially in the final 48 hours
Sleep is when memory consolidates — when what you studied during the day gets filed away in a more durable form. Sacrificing sleep for extra study time in the final days tends to be a net loss: you retain less of what you crammed in, and you show up to the exam with worse focus and slower recall than you would have with less material but a clear head.
The night before: consolidate, don't cram
- Do a light review of your strongest summary notes or flashcards — nothing new, nothing you're unfamiliar with.
- Confirm the practical details: exam time, venue, what you're allowed to bring, your index number.
- Stop revising with enough time to actually unwind before sleep. A tired, anxious version of you performs worse than a rested version who knows slightly less.
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