Most students take notes. Fewer students have notes that are actually useful come revision time. The difference isn't effort — it's usually clarity, completeness, and how the notes were originally made.
This post is about what genuinely useful study notes look like, how to check whether yours are working for you, and what to do when they're not.
Notes serve two purposes. First, they help you process and understand information while you're first encountering it. Second, they serve as a resource for revision later. Both matter — but they require slightly different things.
Good study notes are not a transcript of what you read or heard. They're a processed, simplified, personally-meaningful summary of the most important things you need to remember and understand. If your notes look like the textbook, they're probably not doing their job.
One of the most common note-taking issues isn't quality — it's gaps. Students often have thorough notes for topics they enjoy or found easy, and thin or missing notes for topics that were harder to follow in class. Those gaps feel less urgent in the moment but become very significant during revision.
The Notes Completeness Checker helps you audit this. You rate your notes for each topic from 1 to 5, and the tool shows you where your coverage is thin. Any topic rated 2 or below needs attention — either finding better notes, borrowing from a classmate, or going back to the source material.
Go back to the textbook or lecture slides and create a one-page summary. Don't try to capture everything — capture the 5–8 most important points. Then test yourself on those without looking.
Rewrite them. It sounds tedious, but rewriting notes in your own words — especially from memory — is one of the most effective study activities you can do. It forces active processing and reveals exactly what you don't actually understand.
Go through them and highlight or mark only the information that could genuinely appear in an exam question. Everything else is background context — useful for understanding but not for revision.
A good rule of thumb: if you can't reduce a topic to one A4 page of key points, you either don't understand it well enough yet, or you're including too much. The one-page constraint forces you to prioritise and understand rather than just copy.
One page of deeply understood notes is worth more than five pages of copied text that you can't recall under pressure.
The best way to use notes for revision is not to read them — it's to try to recall the topic without them, then check. Cover your notes, write down everything you can remember about the topic, then compare to what you wrote. The gaps between your recall and your notes are exactly what you need to focus on.
Your notes are a reference, not a script. The goal is to need them less and less as exam day approaches.
Rate your notes topic by topic and get a clear picture of where your gaps are before exam day.
Open Notes Completeness Checker →