How to Take Notes in College

Why handwriting beats typing for retention

A well-cited study by Mueller and Oppenheimer found that students who typed notes verbatim retained less than students who took notes by hand, even when the typists wrote more words. The mechanism is generative processing: handwriting is slow enough that you cannot transcribe everything, which forces you to summarize and paraphrase in real time. That compression is a form of active processing. Typing is fast enough to transcribe verbatim, which produces a record but less understanding.

This does not mean you cannot take notes digitally. It means that if you are typing, you should be paraphrasing and summarizing rather than transcribing. Typing the professor's exact words back at them is a high-effort activity that produces a low-retention record. Typing a summary of what the professor just explained is more work per sentence but produces better learning.

Phase 1: Before the lecture

The most consistently underused step in note-taking is preparation. Five to ten minutes before a lecture, scan the assigned reading for the day, skim the previous lecture's notes, and write two or three questions you expect the lecture to address. This primes your working memory with the relevant schema, which means you will process and retain what the professor says more efficiently.

If the professor posts slides in advance, do not read them as a substitute for attending. Use them to identify the main topics and create an outline in your notes before the lecture starts. This gives you a structure to fill in rather than starting from a blank page, which reduces cognitive load during the lecture itself.

Phase 2: During the lecture

Focus on capturing the structure, not every word. Main points, sub-points, examples that clarify the main point, anything the professor flags as exam-relevant ("this will be on the test," "this is important"), and any connections to previous material. You will miss words chasing complete sentences. The partial notes of someone who followed the argument are more useful than the complete notes of someone who typed every sentence without processing any of them.

Flag anything you do not understand in real time. Put a question mark next to it, circle it, use some marker. These are the items to clarify immediately after class, before you sit down to review. Questions that get left unaddressed compound over the semester.

Leave white space. Crowded notes with no margin space cannot be annotated during review. Leave gaps between sections, leave the left margin or a cue column blank for later additions. White space is not wasted space; it is space reserved for the review step.

Phase 3: After the lecture

This is the phase most students skip and where most of the learning value lives. Within 24 hours of the lecture, do the following: fill in gaps with your textbook or posted materials, add questions to the cue column (see the Cornell method), and write a two to three sentence summary of what the lecture covered at the bottom of your notes.

Then close the notes and try to recall the main points from memory. This is the retrieval practice step. Write down what you remember, check against the notes, and identify anything that was missing from your recall. That gap is what you need to study more. This review process takes 10 to 15 minutes and produces significantly better retention than re-reading the notes would.

Different methods for different course types

The outline method (hierarchical bullet points) works well for structured lecture content: definitions, categories, lists of factors. It is fast and captures the hierarchy of information clearly.

The Cornell method (notes column plus cue column plus summary box) builds in the review mechanism so the active recall step is structural. It works well for lecture-heavy and reading-heavy courses. See the full Cornell method guide for how to use it.

The mind map method (central concept with branches for sub-topics) works well for brainstorming and for lectures that emphasize connections between concepts. It is less useful for content-heavy lectures where the information needs to be captured in detail.

For quantitative courses (math, physics, chemistry), notes should emphasize worked examples and the rationale for each step, not just the steps. The most useful notes in a calculus class are the ones that say "applied chain rule here because both functions are composite" rather than just showing the arithmetic.

How to review notes effectively for exams

Re-reading notes is the lowest-value review strategy. It produces familiarity, not retrieval ability. More effective review strategies include: covering the notes and trying to recall the main points (active recall), making flashcards from the cue column questions, doing practice problems related to the concept, and teaching the concept out loud to an empty room.

A review session should feel harder than a re-reading session. If reviewing your notes is easy, you are probably not testing yourself rigorously enough. Easy review is usually passive review.

Digital notes versus paper notes

Both work when used correctly. Paper notes force compression and have no distractions. Digital notes are searchable, can include links and screenshots, and sync across devices. Many students find a hybrid approach works well: handwritten notes during lecture (for the encoding benefit), then typed summary and review questions afterward (for the searchability and spaced repetition integration).

Whatever medium you choose, the post-lecture review phase matters more than the capture method. Great handwritten notes that are never reviewed are less useful than decent typed notes with a consistent active recall review process.