Formative vs Summative Assessment: How to Use Both in an Online Course

When teachers compare formative vs summative assessment, the most useful question is not which one is better. It is: What decision should this assessment help someone make?

In an online course, that question matters even more. Learners may work at different times, progress at different speeds, and have fewer chances to reveal confusion through a quick question or a facial expression. Assessment therefore needs to do two jobs: help learners and teachers adjust while learning is still underway, and provide a trustworthy judgement at meaningful endpoints.

That is why effective online-course assessment uses both formative and summative methods. More importantly, it links each result to an action. A score, completion record, or written response is only useful when it changes what happens next.

Formative vs summative assessment: the practical difference

Formative assessment is often low stakes, but “low stakes” does not mean unimportant. Its value comes from the response it enables. A short quiz becomes formative when its result helps a learner revisit a concept or helps a teacher decide what to explain differently. A pre-course check becomes formative when it informs grouping, pacing, examples, or support.

Summative assessment is not simply a larger quiz. It is an evaluative checkpoint. It may be an end-of-unit test, a final project, a practical demonstration, a portfolio, or another task aligned with the course outcomes. It can show what learners can demonstrate at that point, but it is usually too late to be the only opportunity for course correction.

What changes when the course is online?

The underlying purposes do not change online: formative assessment still supports improvement during learning, while summative assessment still evaluates learning at an endpoint. What changes is the design work around visibility, timing, instructions, feedback, and follow-through.

1. Build intentional check-ins instead of relying on informal classroom signals

In a live classroom, teachers often notice uncertainty through discussion, pauses, body language, or incomplete work. Online learning can reduce those informal signals, particularly in asynchronous courses. Build regular, purposeful opportunities for learners to show their thinking instead.

Useful online formative checks include:

• a one-question retrieval quiz after a short lesson;
• a confidence rating paired with an explanation of the learner’s choice;
• a worked-example annotation or error-spotting task;
• a short written response explaining a concept in the learner’s own words;
• a draft, outline, or proposal submitted before a larger assignment;
• a discussion prompt requiring learners to apply an idea to a realistic case;
• a self-assessment against a simple checklist or rubric.

Choose the smallest assessment that can produce evidence for the decision you need to make. If you only need to know whether learners can distinguish two concepts, a long assignment may create more marking than insight. If you need to see reasoning, a multiple-choice score alone may not provide enough evidence.

2. Make feedback usable without waiting for the next live session

Online learners need to know not only whether an answer is correct, but what to do next. Feedback is most actionable when it connects to the learning goal, identifies a relevant gap or strength, and points to a specific next step.

For example, instead of giving only “7/10,” attach an action such as:

• For learners who met the threshold: “Move to the application scenario and explain why you selected each option.”
• For learners who missed a prerequisite idea: “Revisit the three-minute explanation, then complete the two-question practice check.”
• For learners showing a recurring misconception: “Compare your answer with the worked example and identify where your reasoning first differs.”
• For learners who need human support: “Bring this response to the next tutorial or submit one question through the course support channel.”

Automation can make routine feedback and progress signals easier to manage, but it should not replace professional judgement. Teachers remain responsible for deciding whether feedback is accurate, appropriate, sufficiently specific, and suitable for the learner and context.

3. Separate practice from high-consequence judgement

Online courses can accidentally make every interaction feel like a grade. When every check carries significant marks, learners may focus on avoiding errors rather than using mistakes to improve. Preserve space for genuine practice: short checks, drafts, peer review, retries where appropriate, and self-reflection.

Then make the summative assessment clear. Learners should understand the task, the learning outcomes it addresses, the criteria or rubric, the submission process, and what counts as successful evidence. Clear instructions do not make an assessment easier; they make its expectations more visible.

4. Design for asynchronous pacing while keeping assessment purposeful

In self-paced or partly asynchronous courses, formative checks can act as decision points. A learner who demonstrates secure understanding may progress to a more demanding task. A learner who is struggling may be directed to targeted practice before moving on.

Avoid turning this into an endless chain of gates. The aim is not to make learners repeatedly prove they may continue. The aim is to provide timely information and a sensible route forward. Use a check only when a result will trigger a meaningful action.

The action-attached assessment loop

A reliable online assessment workflow can be expressed in five steps:

1. State the learning target. Define what learners should know, understand, or be able to do.
2. Collect proportionate evidence. Use a question or task that genuinely tests the target.
3. Interpret the result. Look beyond completion and total scores where possible. Identify patterns, misconceptions, and learners who may need attention.
4. Attach an action. Give the learner a next step, adjust instruction, offer support, or record an end-point decision.
5. Check again when learning is still in progress. Use a later task to see whether the action helped.

This loop prevents a common problem: collecting more data than anyone uses. A dashboard full of scores is not formative assessment by itself. It becomes formative when a teacher and/or learner uses the evidence to make a better next decision.

A simple online-course assessment map

Common mistakes to avoid

Calling an assessment formative when nothing changes

A weekly quiz is not automatically formative because it occurs during the course. If nobody receives feedback they can use and teaching does not respond to the results, it is mainly a measurement activity. Decide in advance what each result will trigger.

Using only automated right-or-wrong feedback for complex learning

Automated responses can be useful for straightforward knowledge and skill checks. They are less sufficient when learners must justify a judgement, construct an argument, create an original product, or demonstrate nuanced professional practice. Match the feedback method to the type of learning evidence required.

Saving all feedback for the end

End-of-course comments may help with future learning, but they cannot improve work already submitted. Where possible, place formative checkpoints before major summative tasks so learners have a genuine opportunity to act on feedback.

Confusing activity with evidence

Watching a video, opening a resource, or clicking “complete” can show participation, but it does not necessarily show understanding. Use engagement information as a prompt for attention, not as a substitute for evidence of learning.

Use both assessments—and make the next step visible

Formative and summative assessment are complementary. Formative assessment helps learners and teachers navigate the journey; summative assessment evaluates achievement at important destinations. An online course is stronger when its smaller checks prepare learners for its larger judgements, and when results lead to visible next actions rather than disappearing into a gradebook.

For teachers, tutors, and education businesses, start by reviewing one module. List every assessment, identify its purpose, and write one action that follows each possible result. If you cannot name an action, revise the assessment, remove it, or decide how its evidence will actually be used.

To explore a workflow for keeping learner progress visible while retaining teacher oversight of the educational decisions, see SubSchool’s student-progress features.

Editorial note: This article discusses general assessment design. Schools, awarding bodies, and regulated programmes may have their own current requirements for grading, assessment security, accessibility, records, appeals, and learner support.