Formative vs Summative Assessment
Formative vs Summative at a glance
| Formative | Summative | |
|---|---|---|
| Time | During learning | At the end of learning |
| Goal | Improve learning | Judge learning |
| Feedback | Continuous, detailed, often qualitative | Final, often a single score |
| Frame of reference | Each student against the criteria | Often students against each other |
| Stakes | Low | High |
| Examples | Exit tickets, quizzes, peer review, draft feedback | Final exam, standardised exit exam, end-of-term project grade |
- Coined: Michael Scriven (1967) for the distinction. Benjamin Bloom (1968-71) made the formative idea central to mastery learning.
- Rule of thumb: A test is formative if its result changes what happens next in the lesson. If the result only sits in a gradebook, it is summative.
Assessment is not one thing. It is two different jobs that often share the same format. The first job is to help the student learn more by spotting gaps and adjusting what comes next. The second job is to decide whether the student has learned enough to pass, certify, or progress. The first job is formative. The second job is summative.
The names matter because the design of a good formative assessment is the opposite of a good summative one. A teacher who treats them as the same thing usually does both badly.
Formative assessment
Formative assessment runs alongside the learning, not after it. The teacher checks where students are while the lesson is still moving, and uses what they learn to change the next move.
The simplest example is a short question asked partway through a class. The teacher asks every student to write their answer on a card or type it into a phone. If most students get it, the teacher pushes ahead. If half of them are stuck, the teacher slows down, re-explains, or runs a different activity. The check was not for a grade. It was for steering.
Formative assessment has three properties.
It is frequent. A single check at the start of a term is not formative. Checks happen during a lesson, between lessons, and across a week.
It is low-stakes. A student who gets a formative check wrong should feel curious, not afraid. A high mark on a formative quiz mostly confirms readiness; a low mark or a pattern of repeated errors tells the student exactly which idea to revisit. The second message is the one to act on.
It is acted on. A formative check that produces a score and then sits in a gradebook is no longer formative. What makes it formative is that the score changes the next step. The teacher reteaches; the student reattempts; the class skips ahead.
Common formats: exit tickets at the end of a class, quick polls during a lecture, draft feedback on a written assignment, peer review with a rubric, low-stakes online quizzes, classroom response system questions, one-minute writing prompts.
The result has to change what happens next.
A quiz that is graded and stored is summative no matter what the format. A quiz whose result causes the teacher to reteach a topic, or the student to reattempt, is formative. The label depends on use, not on tool.
Summative assessment
Summative assessment runs at the end. End of a unit, end of a term, end of a programme. The job is to certify what the student has learned, often for someone outside the classroom: the next teacher, the parent, the employer, the regulator.
Summative assessments have higher stakes. A standardised end-of-school exam can shape university admission. A final project mark can affect the transcript. The format usually reflects this. A single test, often timed, often invigilated, often producing a single score.
The format choices that make summative work are different. The questions cover a wider range. The scoring is standardised so different graders agree. The conditions are controlled so students cannot help each other. The result is one number or grade per student, and it is meant to be comparable across students.
Summative assessment is necessary. Someone has to decide who is ready for the next step. The mistake is using only summative assessment, with no formative work in between. By the time the summative test arrives, it is too late to fix what the student got wrong.
How the balance shifts a classroom
A classroom that runs only on summative assessment behaves a certain way. The teacher lectures. Students take notes. The test arrives at the end. Students cram. A small number do well; a large number do badly; the bell rings; everyone moves on. The students who failed know they failed but cannot do anything about it. The teacher knows the failure rate but rarely changes the next term’s lesson plan because the same syllabus is due.
A classroom that adds formative assessment looks different. The teacher asks more questions during class and adjusts in the moment. Students see their own gaps before the high-stakes exam, so they ask more questions and reattempt the material. The teacher sees patterns of misunderstanding across the class and changes the next lesson to address them. The summative exam still happens at the end, but more students arrive at it ready.
The biggest shift is in what counts as a wrong answer. In a purely summative system, a wrong answer on a test is a loss of marks. In a system with strong formative work, a wrong answer during the term is data: a signal that points the teacher and the student at the next thing to fix.
What ICT changes
The bottleneck in formative assessment used to be scale. A teacher with forty students cannot give every student a personal check-in three times a class. Grading a hundred quick quizzes in time to act on them by the next lesson is hard. Most teachers cut back to one or two formative checks per week and a single summative exam, because that was all they could grade.
Digital tools remove that bottleneck.
A classroom response system can collect answers from every student in thirty seconds and show the teacher a histogram of who got what. A short online quiz can grade itself and tell the student which idea to revisit before they finish the page. An LMS can run a low-stakes weekly check across a hundred students and produce class-level patterns the teacher can act on at the next class.
These tools do not turn summative assessment into formative assessment by themselves. A multiple-choice quiz that is graded, recorded, and never revisited is still summative even if it runs in an app. What the tools do is remove the scale barrier so the teacher can afford to act on the results.
Scale.
A teacher could only check and act on a small number of student responses by hand. Digital response systems and self-grading quizzes collect responses from a full class in seconds, so the teacher can adjust the next move on the basis of real-time evidence rather than a guess.
Common misreadings
Formative is not the same as easy. A formative check can ask a hard question. What makes it formative is what happens with the answer, not the difficulty.
Summative is not bad. Certifying learning is a real job, and some assessments have to do it. The problem is a classroom that only assesses summatively, never formatively.
A grade on a quiz does not by itself make the quiz summative. If the grade is shown to the student, the student updates, and the teacher reteaches what went wrong, the quiz can still be formative. Use, not format, is the test.
And formative assessment is not just for weak students. Strong students benefit from frequent checks too, because the gaps that block them are usually subtle and easy to miss in a final exam.
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