Build a rubric and exemplar students can actually use

Turn a fictional persuasive-letter task into a four-level rubric with observable criteria, an annotated level-3 exemplar and a student self-check.

A useful task, worked through.

A good rubric shows students what quality looks like before they start, not only after the work is marked. Drafting one from scratch takes time, and writing an exemplar to match takes more. AI can produce both quickly, giving you something to edit instead of a blank page. Your professional judgment decides the criteria, the wording that fits your learners and whether the exemplar truly shows the level it claims.

Describe the task and what matters most

Use this fictional Grade 8 task: “Write a letter to your town council arguing for or against a new skate park. Give at least two reasons with evidence and respond to one objection.” Choose three or four criteria you actually value: a clear position, reasons supported by evidence, a response to an objection and organization for the reader. Fewer criteria are easier for students to keep in mind while they write.

Bring your own context: the achievement chart or assessment framework your province uses and any language your school expects on report cards. If you prefer, describe it generically, for example “four levels; level 3 means meeting the expectation.” The assistant does not know your provincial curriculum or your department’s conventions unless you supply them.

Ask for observable descriptors

Vague descriptors such as “excellent use of evidence” do not help a Grade 8 student revise. Ask for descriptors that name something a reader can find in the letter: “each reason is followed by a specific example or fact” is observable; “compelling” is not. Ask that levels differ by quality of thinking, not just by the words “some,” “most” and “all.”

Request a student-friendly version alongside the teacher version. A self-check written as “I can” statements lets students use the rubric while drafting. Then ask for one short exemplar written at level 3, so students can see what meeting the expectation looks like rather than only the top level.

A request you can adapt

Create a four-level rubric for this Grade 8 persuasive letter task. Criteria: position, reasons and evidence, response to an objection, organization. Write observable descriptors a student could find in their own letter; avoid vague words such as “excellent” or “compelling.” Level 3 means meeting the expectation. Then write a 150-word exemplar at level 3 and a student self-check of four “I can” statements. Do not add criteria I have not listed.

Inspect an illustrative result

An illustrative level-3 descriptor for evidence, written for this guide and not a live model response: “Each of two reasons is supported by a specific example, fact or experience, and the letter explains how the support connects to the position.” An illustrative exemplar sentence: “A skate park would give teens a safe place to go after school. Right now, many of us skate in the library parking lot, where cars come and go.” The example is specific and connected to the reason.

Now check the draft as a teacher. Does level 4 describe genuinely deeper thinking, such as weighing the objection, or only longer writing? Does the exemplar meet level 3 on every criterion, or is it secretly a level 4 that will discourage students? Adjust the wording and, if needed, rewrite a sentence of the exemplar yourself so it matches your class.

Teach with the rubric before you mark with it

Show the exemplar and ask students to find and label the evidence for each criterion. Then have them use the “I can” self-check on their own draft. When students can point to what a level looks like, feedback conversations become shorter and more specific.

Treat the rubric as a living document. After marking, note any descriptor that caused disagreement or confusion and revise it before you reuse the task. Do not paste student work with names into a tool to “check” a mark; your judgment, moderation with colleagues and your board’s assessment policy decide the grade.

Give faster feedback with the same rubric

Take it further with a changed example

If two colleagues would score the same letter differently with your rubric, the descriptor is probably too open. Ask the assistant for two contrasting sample sentences at levels 2 and 3 for that one criterion. Discuss them together and adjust the wording until you agree where the line sits.

Try a “not yet” sample: a short paragraph with a reason but no supporting evidence. Have students explain what is missing and revise it. Students often learn more from improving a flawed sample than from admiring a strong one.

For a further exercise, adapt the rubric to a different form, such as an oral presentation with the same persuasive goal. Keep the position and evidence criteria and replace organization with delivery. Notice which descriptors transfer and which must be rewritten.

Take this into your next task

Choose the criteria yourself, ask for observable descriptors and a level-3 exemplar, and test the rubric with students before you mark with it.

Build your learning roadmap.

Questions people ask

Can AI mark student work against the rubric?

Treat any AI suggestion as a draft at most. Evaluation and reporting are your professional responsibility, and many boards restrict uploading student work. Use approved tools only and remove identifying information.

Should the exemplar be perfect?

A level-3 exemplar is often more useful than a perfect one because it shows students a reachable target. You can add a level-4 contrast later.

How many criteria are enough?

Three to five is usually manageable. If students cannot remember the criteria while writing, there are probably too many.

How do I make the rubric fair for multilingual learners?

Separate the thinking you are assessing from language conventions where the task allows. Offer the student version in plain language, and consider whether a translated self-check would help a newcomer understand the expectations.

Sources and editorial notes

Reviewed 2026-10-15. Product capabilities depend on the app, plan, region and workspace settings. Workflows and prompts are authored teaching material, not recorded model results or measured time-saving claims.

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Related Power of AI pages

Keep reading with Start here, everyday uses, the tool guide, the writing workshop, and sources and standards.