How to mark exam papers faster: 9 practical strategies

By a working science teacher · Updated July 2026

Every teacher knows the maths. Thirty papers, six pages each, a mark scheme with fiddly alternatives — and somehow it's meant to fit between dinner and a reasonable bedtime. Marking faster isn't about caring less; it's about stripping out the parts of the job that aren't actually judgement. Most of a marking session is page-turning, mark-adding, name-hunting and admin. That's the part you can attack.

Here are nine strategies that genuinely move the needle, roughly in order of how much time they save.

1. Mark one question at a time, not one paper at a time

This is the single biggest win, and it's how exam boards run their own marking. Mark question 3 across all thirty papers, then question 4 across all thirty. You hold one mark scheme in your head at a time, your judgements stay consistent, and you stop re-reading the scheme every ninety seconds. Teachers who switch to batch marking usually find borderline decisions get easier too, because you've just seen twenty-nine other answers to the same question.

2. Keep the mark scheme beside the answer — not in another pile

Every glance away from the paper costs seconds and concentration. If you're marking on paper, photocopy the scheme and prop it up. If you're marking on screen, use a tool that shows the mark scheme next to the script so you never alt-tab. Small friction, multiplied by six hundred questions, is where evenings go.

3. Use comment codes instead of sentences

Writing "you need to include units in your final answer" thirty times is not feedback, it's transcription. Build a code list — U for units, SF for significant figures, EQ for unbalanced equation — and share the key with the class. Digital marking tools take this further with reusable stamps and saved comments: one tap instead of a sentence.

4. Decide the time budget before you start

Parkinson's law applies to marking: it expands to fill the evening you give it. Decide "four minutes per paper" up front and keep a timer visible. You'll be surprised how often the fifth minute was spent agonising over half-marks that make no difference to what the student does next.

5. Let students mark their own paper first

Self-marking against the mark scheme is one of the highest-value formative exercises there is — students confront exactly where marks were lost while the exam is still fresh. Then you mark properly afterwards. Your pass is faster because students have already flagged their own gaps, and the feedback lands twice. (This works so well that Teacher Marking Assistant has a dedicated student self-marking mode built in.)

6. Sort the admin out before the first paper

Alphabetise the stack, check names are on papers, and chase missing scripts before you sit down to mark — not halfway through, when every interruption costs you your place in the mark scheme. If you mark digitally, let OCR read the names off the front pages so the sorting happens by itself.

7. Replace margin essays with whole-class feedback

If eighteen students made the same mistake on question 7, that's not eighteen margin notes — that's one slide at the start of next lesson. Keep a scrap sheet (or a per-question analytics view) tallying common errors as you mark, and turn it into a ten-minute reteach. Individual comments should be reserved for individual problems.

8. Scan the stack and mark on screen

Digital marking removes the physical shuffle: no carrying papers home, no losing scripts, every paper zoomable and searchable, and your annotations always legible. A phone or a school photocopier can digitise a class set in minutes, and students can even photograph and upload their own papers. Once the papers are digital, the next two savings become possible.

9. Automate the arithmetic and the handing back

Adding up marks, converting to percentages, applying grade boundaries, copying totals into a spreadsheet, and returning papers — none of that is teaching. It's exactly what software is for. Teacher Marking Assistant totals as you tick, applies your grade boundaries, builds the class analytics, and emails each student their marked paper in one click. The judgement stays yours; the admin doesn't.

The honest summary

Batch marking and comment codes will save you the most time this week. Self-marking will save you time and teach better. And moving the mechanical parts — totalling, sorting, returning — onto software is the difference between marking being a job and being a lifestyle.

More guides

• How to reduce your marking workload (without lowering standards)
• Exam marking software for teachers: what to look for