How to Turn Messy Notes Into a Study Plan
Convert scattered notes into a simple study plan with topics, weak spots, practice tasks, and review sessions.

Messy notes are normal. The problem is trying to study from them without first turning them into a plan.
A study plan should tell you what to review, what to practice, and when to come back.
Group notes by exam topic
Ignore the order you wrote the notes in. Group them by the topics your exam is likely to test.
This makes repeated ideas obvious and exposes topics that have very little coverage.
Mark confidence honestly
For each topic, mark it as strong, shaky, or unknown. Strong topics need maintenance. Shaky topics need practice. Unknown topics need source review.
This prevents you from spending all your time on comfortable material.
Schedule practice before review
If you have a week, start with practice questions and flashcards early. Use the results to decide what to reread.
That makes the plan responsive instead of a list of chapters to passively revisit.