How to Take Notes in Class So Revision Is Easier Later

Most students think revision starts in the Easter holidays. It actually starts in September, in the notes you take during lessons. Good notes turn revision into a straightforward job of testing yourself. Bad notes turn it into a rescue mission where you spend February trying to work out what your own handwriting meant back in October.

The problem is that almost nobody is ever taught how to take notes. You are handed a book and told to write things down, and most people default to transcribing whatever is on the board. This guide explains what actually makes notes useful later, and gives you a system you can start using in your next lesson.

Why most classroom notes fail

Three things go wrong with typical school notes.

They are complete but passive. If you copy the board word for word, your hand is busy but your brain is idle. Copying feels productive because you end up with a full page, but you have not processed anything. Come revision time, the page is a wall of text with no signal about what matters.

They have no structure. Notes written as one continuous block are almost impossible to revise from, because you cannot test yourself on them. You can only reread them, and rereading is one of the weakest revision methods there is.

They are never revisited. A huge number of students take notes and then never open the book again until the week before a mock. By that point the lesson context has evaporated and the notes are effectively someone else's.

The one rule that changes everything

Take notes so that future you can be tested on them.

That single shift changes what you write down. Instead of asking "what is on the board?", you start asking "what question would this be the answer to?" That is retrieval practice built into the note itself, and retrieval practice is one of the best-evidenced revision techniques we have. It is far more effective than rereading or highlighting, and the good news is that setting it up costs you almost nothing during the lesson.

A note-taking layout that works

Split your page into three parts. This is a version of the Cornell method, adapted for UK exam subjects.

1. The main column (during the lesson)

Leave a margin of about 5cm on the left. Use the wide right-hand section for your lesson notes. Write in short lines, not paragraphs. Use abbreviations. Leave white space — a cramped page is a page you will not want to look at again.

Do not try to capture everything. Capture the things you would not be able to reconstruct on your own: definitions, worked steps, causes, dates, formulas, key terminology, anything the teacher repeats or says will come up.

2. The margin (within 24 hours)

Later that day or the next, go back and fill the left margin with questions that your notes answer. Not summaries — questions.

• Instead of "osmosis definition", write "What is osmosis, and how does it differ from diffusion?"
• Instead of "causes of WW1", write "What were the four long-term causes, and which is usually seen as most significant?"
• Instead of "quadratic formula", write "When would I use the formula rather than factorising?"

This takes about five minutes per lesson and is the single highest-value thing in this whole system. You have now converted a passive page into a self-test. To revise, you cover the right-hand column and answer the questions in the margin from memory.

3. The summary strip (bottom of the page)

Leave three or four lines at the bottom. Once the margin questions are written, close your book and write a two-sentence summary of the lesson from memory. If you cannot, that is useful information — it means you did not understand the lesson, and it is far better to discover that in September than in May.

Adapting it by subject

Maths and sciences. The main column should hold worked examples, not just formulas. Write the method steps to the left of each line of working, so you can later cover the working and reproduce it. Margin questions should be "what type of problem is this, and what is the first move?"

Humanities. Keep a running list of specific evidence — dates, names, statistics, place names. Examiners reward precision, and vague notes produce vague answers. Margin questions should mirror exam command words: "explain", "assess", "to what extent".

English. Quotations go in the main column with the technique and effect next to them. Margin questions should be thematic: "which three quotations show Macbeth's guilt developing?"

Languages. Vocabulary does not belong in lesson notes at all — it belongs in a separate flashcard system where it can be spaced and repeated. Use lesson notes for grammar rules and worked sentence structures.

Digital or paper?

Either can work, but they fail differently. Typing is fast, which tempts you into transcribing rather than processing — and that is exactly the failure mode you are trying to avoid. Handwriting is slower, which forces you to summarise, but it is harder to reorganise later.

A reasonable compromise: handwrite during lessons, then add the margin questions digitally if you prefer to build a searchable question bank. What matters far more than the format is whether you go back and add the questions.

The weekly ten minutes

Once a week, spend ten minutes doing three things:

• Fill in any margin questions you missed.
• Flag any lesson you could not summarise — those become your first revision targets.
• Add three or four of the week's margin questions to a flashcard deck so they come back around on a spaced schedule.

Do that from September and by the time formal revision starts you are not building resources from scratch. You are simply working through a question bank you already own — which is roughly the difference between two weeks of panic and a calm, steady run-up.

Frequently asked questions

Should I rewrite my notes neatly?

Only if you are actively changing them — condensing, reorganising, adding questions. Copying notes out in nicer handwriting is one of the most common ways students spend hours and learn nothing.

What if the teacher goes too fast?

Prioritise. Capture headings, key terms and anything you could not look up yourself, and leave gaps. Fill the gaps from the textbook or a classmate the same day, while you still remember what was missing.

Is highlighting worth it?

Highlighting on its own does very little, because it does not require you to retrieve anything. If you highlight, do it after the lesson and use it sparingly to mark the two or three things you would put in an exam answer — then turn those into margin questions.

What if my school gives out printed notes or booklets?

Perfect — you have skipped step one. Spend your effort on the margin questions and the summary instead. Printed notes are a starting point, not a substitute for processing.

How soon should I add the margin questions?

Within 24 hours ideally, and definitely within the week. The longer you leave it, the more you have to reconstruct rather than recall.

The bottom line

Notes are not a record of a lesson. They are a revision resource you are building in advance, one lesson at a time. Leave a margin, write questions, summarise from memory. Five minutes a lesson now saves you weeks later.

RevisionLab builds personalised GCSE and A-Level revision hubs that turn your subjects into structured, testable question banks — so revision becomes a routine rather than a rescue mission. Get in touch to find out how it works.