Leitner System

"An efficient way of using flashcards with spaced repetition using multiple boxes."

James Leitner

Memory Researcher

Updated February 08, 2026

Step-by-Step Execution

Create 3-5 boxes for your flashcards.

All new cards start in Box 1 and are reviewed daily.

Correctly answered cards move to Box 2 (reviewed every 2 days).

Any card you get wrong goes back to Box 1 immediately.

Focuses on difficult material

Systematic review process

Proven memory retention

Highly organized study

Difficulty

Advanced

Implementation

Instant Access

Success Rate

92% High Retention

"Research shows that testing yourself (active recall) is up to 50% more effective than re-reading notes or highlighting text."