The Cornell method splits each page into three parts: a wide notes column for class, a narrow cue column on the left for questions you add afterwards, and a summary strip at the bottom. You take notes during the lecture, write cue questions the same day, then cover the notes and answer the questions to review.
Where does the Cornell method come from?
The system was devised in the 1950s by Walter Pauk, an education professor at Cornell University, and popularized through his book How to Study in College (Wikipedia). Cornell’s Learning Strategies Center still teaches it as one of several note-taking methods and encourages students to try different methods to see what works for them (Cornell LSC).
How do you set up a Cornell notes page?
Draw it once, or print a template:
| Part | Where | Size | When you fill it in |
|---|---|---|---|
| Header | Top line | One line | Before class: course, date, topic |
| Cue column | Left side | About a third of the width | After class, the same day |
| Notes area | Right side | About two thirds of the width | During class |
| Summary | Bottom | About a fifth of the page | After class |
Exact measurements do not matter. What matters is that the cue column is narrow enough to stay short and the summary area forces you to be brief.
How do you take Cornell notes, step by step?
- Before class: Write the header. Glance at last lecture’s summary so you know where the course is.
- During class, notes area only: Record main ideas, key terms, examples and anything the lecturer repeats or writes on the board. Use abbreviations and short phrases, not full sentences. Leave space between topics.
- Right after class (or the same evening): Read through the notes and fill gaps while you still remember.
- Write cues: In the left column, next to each chunk of notes, write a question or keyword that the chunk answers. “Why did X happen?” beats “X”.
- Write the summary: Two to four sentences at the bottom, in your own words: what was this page about, and what is the main point?
- Recite: Cover the notes area. Read each cue and answer it out loud or on paper. Uncover and check.
- Review later: Repeat step 6 a few days later and before exams. Mark cues you keep missing.
A short 10-minute timer is enough for steps 3 to 5 after most lectures. It keeps the review from turning into a rewrite.
What does a Cornell notes page look like?
A condensed example from a biology lecture:
| Cue column | Notes area |
|---|---|
| What does the mitochondrion do? | Produces most of the cell’s ATP via cellular respiration |
| Three stages of cellular respiration? | Glycolysis (cytoplasm) → Krebs cycle → electron transport chain (both in mitochondria) |
| Where does glycolysis happen? Why does it matter? | Cytoplasm; does not need oxygen, so it also runs in anaerobic conditions |
Summary: Cellular respiration turns glucose into ATP in three stages. Only glycolysis happens outside the mitochondria and works without oxygen.
Why does the Cornell layout help you learn?
Not because of the lines on the page. The layout is useful because it builds in steps that are known to work:
- The cue column turns notes into questions. Covering the notes and answering the cues is self-testing, and repeated retrieval improves long-term memory far more than repeated studying (Karpicke & Roediger, 2008).
- Practice testing is rated “high utility” in a large review of study techniques (Dunlosky et al., 2013).
- The summary forces you to process the page. A caveat: the same review rated summarization on its own as low utility, because its benefits are inconsistent. Treat the summary as a way to check your understanding, not as the main study step.
There is little direct research on the Cornell format itself compared with other layouts, so be wary of anyone promising specific gains.
Should you take Cornell notes by hand or on a laptop?
Either works. There is some evidence for handwriting: in three studies, students who took notes on laptops did worse on conceptual questions, apparently because they transcribed lectures word for word instead of putting ideas in their own words (Mueller & Oppenheimer, 2014). Treat this as a reason to paraphrase, whatever the tool.
On a laptop or tablet:
- Use a two-column table with a merged row at the bottom for the summary.
- Or keep notes on the right and add cues as comments.
- Turn off notifications and close other tabs during class.
What are common Cornell notes mistakes?
- Writing the cue column during class. You will not have time. Cues come after.
- Transcribing everything. The notes area is for main ideas and examples, not a script.
- Keywords instead of questions. “Mitochondria” is hard to self-test. “What does the mitochondrion do?” is easy.
- Skipping the recite step. Without covering the notes, the cue column is just decoration.
- Waiting until exam week. The method pays off when you review a little, often.
How do you use Cornell notes before an exam?
- Collect the pages for the exam topics.
- Cover the notes area and go through every cue. Mark the ones you miss.
- Turn the missed cues into flashcards for spaced review.
- Read only the summaries to rebuild the big picture of the course.
- Use the cues as practice questions under time pressure. Our test-taking guide explains how.
Try it on your next lecture
Draw the three sections before class. Afterwards, set a 10-minute timer, write five cue questions and a two-sentence summary, then cover the notes and answer them.