The Zippy blog

grading

14 posts tagged "grading".

grading

How AI helps teachers mark PSLE compositions

Thirty PSLE compositions marked against your own P5/6 bands, from photographed handwriting, with the reasoning attached and every mark waiting for your approval.

25 Aug 2026 · 6 min read
grading

O-Level Situational Writing: what makes up the 30 marks

O-Level Situational Writing carries 30 marks: Task Fulfilment 10, Language 20. The band descriptors, the word count, and why Band 3 to 4 is the real gap.

24 Aug 2026 · 6 min read
grading

How a PSLE composition is marked: the rubric, explained

PSLE continuous writing is marked out of 36: Content 18, Language and Organisation 18. What each band asks for, and how two scripts earned 32 and 34.

23 Aug 2026 · 7 min read
grading

How teachers stay in control of AI marking

An AI marker on its own agrees with a human about a third of the time. What makes it useful is where the teacher's judgement goes in, and if it stays.

22 Aug 2026 · 9 min read
grading

What's new in August: editing, re-grading, and skills

Edit or delete any annotation, re-grade only when you choose, undo any change in one click, and see which skills each piece of writing shows.

21 Aug 2026 · 6 min read
grading

AI grading is only as good as the rubric behind it

In the largest meta-analysis of feedback, 38% of interventions made performance worse. What that means for AI grading, and for the rubric behind it.

13 Aug 2026 · 8 min read
grading

How to read a class gradebook (and what it cannot tell you)

Read the class average row before any individual child. A dip down a column is usually the task, not the class. Why completion and attainment go together.

29 Jul 2026 · 6 min read
grading

Marking a class set, without losing the evening

Thirty scripts, one rubric, and a first pass that is already done when you sit down. What actually changes when the marking is drafted before you start.

28 Jul 2026 · 4 min read
grading

What shipped in Zippy: July 2026 (CLI v0.1.3, SDK v0.3.0)

The July release: an editable reports builder, the whole-class gradebook, native PDF and DOCX export, an email-code CLI login, and a public client SDK.

21 Jul 2026 · 3 min read
grading

Inside bulk grading: how the two-phase pipeline works

A fast first pass that returns in seconds, a bounded background fan-out to the model, and live grading progress streamed to the browser.

16 Jul 2026 · 4 min read
grading

What shipped in Zippy: May to early July 2026

The first ten weeks of shipping: bulk grading, AI authoring, an open-source CLI, the whole-class gradebook, the Discover library, and an import flow that works from a phone.

7 Jul 2026 · 4 min read
grading

What if AI gave teachers their evenings back?

Forty essays can swallow a weekend. What changes when the first pass is drafted before you sit down, and why the marking still has to be yours.

5 Jun 2026 · 6 min read
grading

AI essay grading: mark a whole class without losing control

Mark a class of compositions against your own rubric in minutes, then review and approve every grade before a single student sees it.

2 Apr 2026 · 5 min read