The National Federation of State High School Associations (NFHS) authors rules for high school boys’ lacrosse. For 2017, US Lacrosse has produced a stand-alone youth rule book for ages 14U and below. The rule sets in this book align with the principles of the Lacrosse Athlete Development Model (LADM), helping to ensure age-appropriate rules that allow athletes to progress and reach their maximum potential. In 2017, US Lacrosse also developed a rule set to govern box lacrosse.

High School Boys' Lacrosse

2018 NFHS Rule Book

Youth Boys' Lacrosse

2018 Youth Rules (PDF) Approved Rulings Casebook

Youth Rules Quick Reference Card Submit a Rule Change Purchase 2018 Youth Rule Book 

Box Lacrosse

2017-2018 Box Rules

Videos

NFHS Boys' Lacrosse Rules Interpretation - 2018

US Lacrosse Youth Boys' Rules Interpretation - 2018

Warding Off - Clarification

Conference for Coaches, Officials and Program Leaders

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