How to Build Assignment Rubrics That Actually Work

If you’re an instructor, you know the feeling. You’re grading your 12th essay in a stack of 30 and you give a 78, but you can’t remember what makes it better or worse than the first paper you graded that earned an 83. Then the paper you handed off to a TA, which is probably even better, got a 73. Maybe the TA thought spelling and grammar were more important than argument quality and structure, whereas you took a different approach. In other words, the grades for the class are all over the place, and you see wide differences depending on who graded it and when the grading happened.

Rubrics solve this. They turn grading from a series of one-off judgment calls into a structured review against established criteria. That means everyone, including both students and people doing the grading, is on the same page. The research on rubrics is clear: they improve grading consistency, reduce bias, save time, and help students understand what’s expected and what good work looks like.

If you offer courses on a WordPress site, you’ve probably noticed that there’s virtually no support for rubrics in the ecosystem.

What are rubrics?

The generally accepted definition for a rubric is a set of criteria for student work that includes descriptions of levels of performance. That structure forces instructors to be explicit about what is being evaluated before it gets graded. It gives students something tangible to aim for, and it makes feedback consistent across all assignments, whether there are three or three hundred.

The science also backs up the use of rubrics. A 2023 review concluded that rubrics produce positive effects on academic performance and self-regulated learning.

How to make effective rubrics

Here are some suggestions for making better rubrics:

• Write criteria about the learning, not the task. Something like, “Includes a thesis, three body paragraphs, and a conclusion” belongs in the assignment instructions, not the rubric criteria. An effective criterion is something more like, “The argument is supported by relevant, credible evidence.”
• Aim for 3 to 7 criteria. Fewer than three usually means the criteria are too broad and basic. More than seven overloads graders and students.
• Use 3 to 5 performance levels. When there are more than five performance levels, it’s too hard to tell levels apart.
• Describe each level. Labeling it isn’t enough. What do “Excellent” and “Good” really mean? Spell out what each level actually looks like.
• Share the rubric with students. Let them know how assignments will be graded before they begin work. Students consistently perform better when they have the rubric in advance.

Rubrics in WordPress

Here’s the harsh reality: While elearning plugins have existed in the ecosystem for about 15 years, until recently (and the introduction of PressPrimer Assignment) there has simply been no support for rubrics. None of the WordPress LMS plugins (including LearnDash, Tutor LMS, LifterLMS, LearnPress, and others) support rubrics. Instead, if they support assignments at all, they are graded with a single number field. There are no criteria nor performance levels.

Outside WordPress, there are some excellent rubric tools. The problem is that none of them are realistic alternatives for most WordPress course creators, as they lack integrations and the cost is prohibitive, often in the thousands or tens of thousands of dollars per year.

How PressPrimer Assignment handles rubrics

We built rubrics into PressPrimer Assignment because we don’t think WordPress educators should be excluded from an important learning and grading tool. Our free plugin is available on WordPress.org and integrates natively with LearnDash, Tutor LMS, LifterLMS, and LearnPress, and it can also be used as a standalone tool.

Rubric grading is included in the Educator premium add-on, which adds settings directly to the assignment edit page. When you create or edit an assignment, just click Use rubric for grading and everything you need is ready to go.

Each criterion has a name, a description, and a maximum point value. Performance levels are optional, but certainly encouraged if several graders will be reviewing submissions for a single assignment. Every performance level has a label, a description, and a point value.

Grading is where the rubric’s value really pays off. Open up the grading view and you’ll see the student’s submission on the left, the grading interface on the right, and the full set of rubric criteria and performance levels. Just click the level that matches what the student earned, and the score fields update automatically. You can even add any feedback you want to each criterion, and if auto-calculated scores don’t match your judgment, you can override scores manually.

Students see the full rubric details too. Before submission, the rubric appears on the assignment page, giving students transparency into the grading process and setting expectations about what’s expected. Here’s what it looks like:

It gets even better. If you decide to use AI-assisted grading, the AI agent is provided with full criteria details and performance levels, allowing it to make better and more consistent choices with grades. It can also provide draft feedback for each criterion.

Here’s an example:

Getting started

Well-designed rubrics make grading more consistent, feedback more useful, and help students understand what’s expected. If you’re already running courses on a WordPress site and want to start incorporating rubrics into your assignments, PressPrimer Assignment offers an easy solution. Start with the free plugin and give assignments a try, then upgrade to Educator when you’re ready to start using rubric grading.

For details about implementing rubrics for your assignments, our knowledge base covers creating a rubric and grading with rubrics step by step. Let us know in the comments how you’re using rubrics on your website!