Second marking means that a second person independently assesses the same piece of student work, so that the final mark does not rest on one person’s judgement. It is one of the most common ways education providers show that marking is fair, consistent and in line with the standard set by the awarding body.
Why providers use second marking
Marking involves judgement, and judgement varies. Two experienced markers can read the same dissertation and land a few marks apart. Second marking catches outliers, protects students from an unusually harsh or generous marker, and gives the provider something concrete to show an external examiner or a partner university: this mark was checked by someone else.
It matters most where the stakes are high or the work is large, such as dissertations, capstone projects and presentations, and where a provider teaches for a partner university that has to be able to trust the marks.
Second marking, double marking and moderation
The terms are used loosely, and providers define them differently, so always check your own policy. In general:
- Second marking usually means a second marker reviews the work, often after the first marker, and the two agree a final mark.
- Blind double marking means both markers mark independently without seeing each other’s marks or comments, then compare.
- Moderation usually means checking a sample of marked work across a cohort to confirm that standards are applied consistently.
What counts as evidence
The mark itself is not enough. When someone asks you to prove that second marking happened, they usually want to see the following for each script:
- Two independent marks, recorded before the markers saw each other’s, if your process is blind.
- The reasoning: specific comments tied to the rubric, not a generic sentence.
- How disagreement was resolved: when the markers met or exchanged views, and what they agreed.
- The final agreed mark, and who agreed it.
- Sign-off by both markers, with dates.
- A record that cannot be quietly changed afterwards, kept where the people who need it can find it.
Where it usually goes wrong
The problem is rarely the marking. It is the paperwork around it. Common failure points are marks held in separate spreadsheets, agreement conversations that happen in a corridor and are never recorded, comments that read the same across many students, forms signed late or not at all, and evidence scattered across email, shared drives and learning platforms so that rebuilding it for an examiner takes days.
A simple checklist
- Is it clear, for every script, who the first and second marker are?
- Can a marker see the other’s marks before submitting their own, and should they be able to?
- Is the rubric wording visible while marking, so comments match the band?
- Is there a deadline and a window for agreement, and can you see who is overdue?
- Is the agreement recorded with a date?
- Are final marks locked once signed off?
- Can you produce all of it for an external examiner in one go?
Where software helps
A spreadsheet can hold marks, but it cannot enforce a process. Software can allocate second markers by your rules, keep first marks hidden until the right moment, require specific comments, record the agreement meeting, collect both sign-offs and file a locked, time-stamped copy. That is what we built Markwise to do. Whatever you use, the principle is the same: make the evidence a by-product of the marking, not a separate job afterwards.
This article is general guidance. Your own assessment regulations and your awarding body’s requirements always take precedence.