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Rules & Regulations

Ohio Middle School Lacrosse Association (OMSLA)

The Ohio Middle School Lacrosse Association (OMSLA) represents middle school boys lacrosse teams throughout the state of Ohio.  The member teams agree to follow the rules and regulations of the OMSLA regardless of the team's structure as a school varsity, school club, or community club - collectively "interscholastic" lacrosse.

Effective with the start of the 2016-17 school year, the Ohio High School Athletic Association (OHSAA) will take over the administration of boys and girls interscholastic lacrosse.   The OMSLA will adhere to the rules and regulations published by the OHSAA.  For additional information, go to the OHSAA web site at



Please go to the OHSAA for the Boys Lacrosse Regulations


The OHSAA governs a number of sports in the state of Ohio,  Effective with the start of the 2016-17 school year, boys and girls lacrosse becomes sponsored/recognized sport under Ohio High School Athletic Association (OHSAA)  

For more information, along with the current rules and regulations for boys and girls lacrosse from the OHSAA, click here to go to their web site.


The National Federation of State High School Associations (NFHS) 2016 Boys Lacrosse Rules Book shall govern US Lacrosse boys’ youth play, except as amended by the OHSAA. The US Lacrosse Men’s Game Committee has approved these exceptions to the NFHS Rules.  The OMSLA follows the U-15 rules and, in addition US LAX exceptions to the NFHS, the OMSLA has adopted a set of exceptions which are detailed in the Boys Lacrosse Regulations.

Please note, in determining age eligibility, the OMSLA uses the OHSAA, By-law 4-2-2 "If a student enrolled in grade 7 or 8 attains the age of 15 before August 1, the student shall be ineligible to participate in 7th & 8th grade interscholastic athletics for the school year commencing in that calendar year."  For all OHSAA rules, "interscholastic" refers to all OMSLA member teams and no 6th graders are permitted under any circumstances.