Mahjong School American · NMJL Standard

What it is The 152 tiles The card Card library Game flow The Charleston Master mindset Becoming a master Roadmap

Scoring Strategy Defensive play Concealed hands Kongs & tiles Tournaments Where to play Reading practice

Glossary Rulings & cases Cheat sheets Etiquette Sets & accessories Dead-hand checker

FAQ News & Stories Sources Joker rules Dead hands Rule variants Privacy Terms

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Mahjong School

An independent guide to American mahjong — written plainly, sourced carefully, and kept current with the NMJL standard.

Learn

What it is
The 152 tiles
The card
Game flow
The Charleston
Master mindset
Becoming a master
Roadmap
Card library

Play

Scoring
Strategy
Defensive play
Dead hands
Concealed hands
Kongs & tiles
Tournaments
Where to play
Reading practice

Reference

Glossary
Rulings & cases
Cheat sheets
Etiquette
Sets & accessories
Dead-hand checker
Joker rules
Rule variants

Help & Info

FAQ
News & Stories
Sources
Privacy
Terms

© 2026 American Mahjong School. Independent publication.

Last updated 2026-09-02Reviewed against the 2026 NMJL card

Free online learning only — not an accredited school, no tuition, no diplomas, no in-person classes. Not affiliated with the National Mah Jongg League (NMJL); the current official NMJL card is the final authority on every rule. All guides are for recreational reference only.