How online peer grading and moderation can turn one of teaching’s heaviest burdens into a worldwide mutual professional development endeavour

Every educator knows the feeling: a pile of submissions, an evening that was meant for something else, and the quiet question, “Am I marking this the way my peers would?”

The load behind the pile

Marking is one of the most draining parts of the job. A 2025 survey of UK and US teachers found they spend roughly 8 to 10 hours a week on it, and most take it home. In a 2026 global Tes survey, only 4% of teachers kept their work within contracted hours. Universities are no different: UK academics averaged 50.9 hours a week in the UCU’s 2016 survey. And in England’s Teacher Wellbeing Index 2025, 66% of staff considering leaving cited workload volume.

Then comes moderation

Moderation, meaning checking another educator’s grading against the published standards, is expected everywhere from primary schools to universities. It is also hard to do well.

1. It takes time nobody has. England’s Key Stage 2 writing moderation cost schools an average of 14.1 hours, and one head of English argued that unpaid teachers must justify marks in more detail than paid examiners.
2. Agreement is genuinely difficult. Ofqual finds markers agree least on essay-style work. In those same Key Stage 2 visits, moderators judged 10% of assessments too high and 5% too low.
3. You need peers, and not everyone has them. A sole subject specialist or rural teacher may have no one nearby who teaches the same subject. Even in a busy department, colleagues often share the same habits and blind spots.
4. Meetings need diaries and cover. Face-to-face moderation means shared time and shared place.

What the research suggests

Collaboration doesn’t need a meeting room. In an experiment with 89 experienced examiners, online and face-to-face training produced comparable gains in accuracy and consistency. Peer moderation also does more than check marks. A four-year Scottish programme with 518 participants found it built confidence in colleagues’ judgements and lasting communities of practice, and an Australian project in which academics blind-reviewed anonymised work from partner universities found broad agreement on standards across twelve disciplines.

One caution: examiners have reported dissatisfaction with online-only standardisation. Online works best when it is conversational.

How Moderate Tech helps

Moderate Tech lets educators of the same discipline, from K-12 to post-doctoral level, grade and moderate anonymised work uploaded by peers anywhere in the world.

1. Anywhere, any time. No trip to the office, no meeting room, no scheduling.
2. Low cost. No travel, venue or supply cover, so you save time, money and opportunity cost.
3. Simple. Comment in the document, discuss in threads, continue in the private messenger, then grade the anonymised material.
4. Global, with fresh eyes. Time zones become an advantage, because a colleague on the other side of the world can pick up the thread while you sleep. Peers from other cultures and regions challenge shared assumptions.
5. Fair. Anonymisation keeps the focus on the work, not the author.

Moderate Tech complements, and does not replace, the internal and external moderation that regulators and exam boards require. It gives you a way to test your judgement against peers applying the same published criteria first.

Give one, get one

Every user is both giver and receiver. Moderate a colleague’s work today and receive the same careful, friendly attention tomorrow. It is a mutual exchange of ideas in which professional development becomes a by-product of everyday grading, not one more meeting to attend.

Ready to see it in action? Find out more at moderatetech.co.uk.

A note on the figures: they come from different countries, years and methods, and some are union or industry surveys, so treat them as indicative of a widely reported pattern.