How to Take Effective Class Notes to Revise Better
Do you leave class with pages of notes... that you no longer understand a week later? Do you spend more time copying everything down than listening? Note-taking is a skill you learn. And when you do it well, revision becomes 10 times easier.
In this article, we’ll show you how to take notes that will really help you on exam day.
Why note-taking is crucial for revision
Note-taking is not just a transcript of the lesson. It is the first step in memorization. When you take notes, you:
- Listen actively (you need to understand in order to summarize)
- Process information (you rephrase it, structure it)
- Create a personalized study aid (adapted to the way you think)
Studies show that students who take notes by hand remember better than those who type everything word for word. Why? Because the brain has to synthesize in real time. To go further, also check out these 6 note-taking methods that really work.
The trap: Trying to write everything down = remembering nothing. You become a voice recorder, not a learner.
The 4 note-taking methods that work
1. The Cornell method: the most complete
Invented at Cornell University, this method organizes your page into 3 sections:
┌─────────────────────────────────────┐
│ Questions/Keywords │ Notes │
│ (6 cm) │ main │
│ │ (15 cm) │
│ │ │
│ │ │
├───────────────────────┴─────────────┤
│ Summary (5 lines) │
└─────────────────────────────────────┘
How to use it:
- During class: Write in the right-hand column
- After class: Add questions and keywords on the left
- When revising: Cover the right side and answer the questions
- For the exam: Reread the summaries at the bottom of the page
Best for: Dense lectures, theoretical subjects.
2. The outline method
The most classic and fastest method. You organize information in levels:
I. Main heading
A. Subheading
- Important point
- Another point
• Detail
• Example
B. Another subheading
Advantages:
- Quick to take
- Easy to reread
- Shows the hierarchy of ideas
Best for: Well-structured classes, teachers who follow a clear plan.
3. Mind mapping: for visual learners
Instead of linear notes, you create a mind map:
- Center: The main topic
- Branches: The main ideas
- Sub-branches: Details, examples
Advantages:
- Very visual and memorable
- Shows links between concepts
- Stimulates creativity
Drawbacks:
- Hard to do in real time (better suited to revision)
- Takes up space
Best for: Conceptual subjects, revision, brainstorming.
4. The table method
Perfect for comparison-based lessons:
| Concept A | Concept B | Concept C |
|---|---|---|
| Characteristic 1 | ... | ... |
| Characteristic 2 | ... | ... |
| Advantages | ... | ... |
| Disadvantages | ... | ... |
Best for: History (comparing periods), science (comparing methods), law (comparing systems).
The 7 golden rules of note-taking
Rule 1: Listen before you write
Wait until you have understood before writing. If you take notes while the teacher is speaking, you may end up copying without understanding. Listen to the full sentence, then summarize.
Rule 2: Use your own words
Rephrasing forces you to process information. It is the first step toward memorization. Exception: exact definitions and formulas.
Rule 3: Write down the essentials, not everything
Ask yourself: "Will I need this for the exam?" If not, leave it out. Focus on:
- Definitions
- Key concepts
- Important examples
- Formulas
- What the teacher repeats or emphasizes
Rule 4: Use abbreviations
Create your own system:
- →: implies, leads to
- ≠: different from
- =: equal, equivalent
- ↑: increases
- ↓: decreases
- ex: example
- def: definition
- pb: problem
- sol: solution
- cf: see also
Rule 5: Leave space
Don’t fill the whole page. Leave margins for:
- Adding details after class
- Writing questions
- Making links with other chapters
Rule 6: Use color, but sparingly
A simple system:
- Red: definitions and key concepts
- Blue: examples
- Green: to review / not understood
- Black: everything else
Too many colors = confusion. 3-4 maximum.
Rule 7: Reread on the same day
In the evening or the next day, spend 10 minutes rereading your notes. This is the time to:
- Clarify anything confusing
- Fill in missing parts
- Underline the essentials
Paper or digital: which should you choose?
The advantages of paper
- Memory: Writing by hand engages your brain more
- No distractions: No notifications
- Freedom: Diagrams, arrows, and annotations are easy
- Reliability: No battery, no bugs
The advantages of digital
- Search: Find information in 2 seconds
- Organization: Everything in one place
- Sharing: Easy to send to a classmate
- Readability: Always neat
The best of both worlds
Many students combine:
- Paper notes in class (for concentration)
- Digital cleanup afterwards (for organization)
You can also use tools like EduFiche to quickly turn your notes into structured revision sheets, without spending hours typing everything again.
What should you do after class?
Note-taking doesn’t stop when the teacher says "see you next week." Here is the full process:
Within 24 hours: Active review
- Reread your notes
- Highlight the key points
- Fill in unclear sections (with the textbook or a classmate)
- Write down questions to ask in the next class
During the week: Transform
- Turn your notes into a concise revision sheet — see how to turn a boring lesson into a useful revision sheet
- Create flashcards for definitions
- Add your notes to your revision plan
To go further, apply our method to create an effective revision sheet in 5 steps.
Before the exam: Use them
- Use your sheets for spaced revision
- Test yourself with flashcards
- Reread the summaries (Cornell method)
How to catch up on a missed class
It happens to everyone. Here is how to limit the damage:
Option 1: A reliable classmate
- Borrow their notes
- Rewrite them in your own words (not mindless copy-paste)
- Compare them with the lesson outline if available
Option 2: The teacher
- Ask for the course materials (slides, handout)
- Ask questions about the key points
- Some teachers record their classes
Option 3: Online resources
- Reference textbooks
- Online lessons on the same topic
- Explainer videos
Important: Catch-up notes ≠ class notes. You will need to put in more effort to understand and memorize.
The mistakes that ruin your notes
❌ Writing everything word for word
You become a robot. Your brain switches off. Result: you retain nothing.
❌ Taking notes without structure
Pages of dense text = impossible to reread. Use headings, bullet points, and spacing.
❌ Never rereading
Notes you never reread = wasted time. Rereading within 24 hours greatly improves retention.
❌ Using 15 colors
A rainbow of highlighters looks nice but is ineffective. 3-4 colors max with a consistent system.
❌ Copying the slides
If the teacher is reading the slides, there’s no need to copy them. Instead, write down what they add orally.
Adapting your note-taking to the subject
Maths and science
- Priority: Formulas, proofs, problem-solving methods
- Advice: Write down each step of the reasoning, not just the result
- Format: Linear, with lots of space for calculations
History and geography
- Priority: Dates, key events, cause-and-effect links
- Advice: Use timelines and maps
- Format: Cornell or comparison tables
Languages
- Priority: Vocabulary, grammar structures, examples
- Advice: Note idiomatic expressions and exceptions
- Format: Tables (word / translation / example)
Philosophy and literature
- Priority: Concepts, arguments, important quotes
- Advice: Note the reasoning, not just the conclusions
- Format: Cornell or mind mapping
Conclusion: Your notes are your first revision tool
Good note-taking is 50% of revision already done. By leaving class with clear, structured, personalized notes, you make your life much easier later on.
Remember the essentials:
- Listen before you write
- Rephrase in your own words
- Structure clearly
- Reread within 24 hours
- Turn them into usable revision sheets
Start with your next class: choose a method (Cornell, outline, mind map) and try it. You’ll see the difference when revision time comes.
Your notes today are your points tomorrow.
