Many of the laws call for state agencies to assist schools in providing this information to parents, but Alabama, Michigan, Nebraska, North Dakota, Ohio, Utah, and Wyoming all leave it up to the schools. It's critical that athletic directors stay on top of this component of their state's concussion laws. Here's a state-by-state rundown of parental education requirements.

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Alabama: Each year, parents must sign an information sheet which details the risk of concussions.

Alaska: State activities association must consult with schools to develop guidelines and rules to educate parents about the risk of concussions and return to play guidelines.

Arizona: At least once a year, parents must sign an information sheet outlining the risks of concussions.

Arkansas: No state concussion legislation.

California: Pending legislation would require parents to sign an information sheet on concussions each year.

Colorado: No parental education is required. Only coaches must be given information regarding the dangers of concussions.

Connecticut: There is no formal parental education required. Coaches and athletic trainers, however, must be given training on concussions.

Delaware: Pending legislation would require parents to sign a concussion information sheet designed by the state athletic association.

Washington, D.C.: Pending legislation would require various agencies, including the Department of Recreation, Public Charter School Board, and the Board of Education to develop a training program on concussions. Parents would also be required to sign a concussion information sheet.

Florida: No state concussion legislation. A bill that would have required "informed consent" by parents recently died in the House.

Georgia: No state concussion legislation.

Hawaii: Pending legislation would require parents to sign an information sheet regarding concussions.

Idaho: Parents are not required to sign anything, but the state is required to make information regarding concussions available to parents on its Web sites.

Illinois: Each school district is required to make information available to parents which describes the risks associated with concussions.

Indiana: Parents must be given information by the state Department of Education on the risks of concussions and must sign a sheet acknowledging they received it.

Iowa: Each school receives an information sheet on concussions from the IHSAA and is required to give it to parents to sign.

Kansas: Parents must sign an information sheet put together by the state Board of Education and the KSHSAA.

Kentucky: No state concussion legislation.

Louisiana: Schools are required to provide concussion information to parents.

Maine: Pending legislation would require that parents receive and sign a concussion policy sheet from school. The policy contain updated information about concussions, including risks.

Maryland: Parents must sign an information sheet on concussions.

Massachusetts: Parents are required to sign an information sheet on concussions. Volunteer parents working with teams will be required to go through training developed by the division of violence and injury prevention.

Michigan: Pending legislation would require parents to sign a concussion information sheet.

Minnesota: Parents must sign a concussion information sheet.

Mississippi: No state legislation.

Missouri: Parents must sign a concussion information sheet each year.

Montana: No state legislation.

Nebraska: Parents must receive an information sheet detailing the risks of concussions.

Nevada: Pending legislation would require parents to sign a concussion information sheet that also details the policy for removal and return to play.

New Hampshire: Pending legislation would require no parental education, only that a commission study youth concussions.

New Jersey: Parents must sign an information sheet detailing risks, signs, and symptoms of concussions.

New Mexico: Parents are required to sign a concussion information sheet.

New York: Parents must sign an informational pamphlet on concussions.

North Carolina: Parents must sign a concussion information sheet.

North Dakota: Parents must sign that they have received and read concussion information which is made available by school.

Ohio: Parents must sign a concussion information sheet.

Oklahoma: Parents must sign a concussion information sheet on an annual basis.

Oregon: No parental education required.

Pennsylvania: Parents are required to sign a concussion information sheet annually.

Rhode Island: Parents must sign a concussion information sheet.

South Carolina: Pending legislation requires parents to review model policies developed by the Department of Education regarding nature and risks of concussions.

South Dakota: Parents must sign a concussion information sheet.

Tennessee: Pending legislation requires parents to sign a concussion information sheet annually.

Texas: Parents must sign a concussion information sheet annually.

Utah: Parents must sign a concussion policy, developed by schools, that describes the risks associated with concussions.

Vermont: Parents must sign a concussion information form.

Virginia: Parents must sign a concussion information sheet annually.

Washington State: Parents must sign a concussion information sheet annually.

West Virginia: No state concussion legislation.

Wisconsin: Pending legislation would require parents to sign a concussion information sheet annually.

Wyoming: Law requires schools only to "include means to provide parents with information" regarding concussions, but makes no mention of what those means are.

A list of these complete laws, including links to the laws themselves, can be found at: http://nflhealthandsafety.com/zackery-lystedt-law/states/

Patrick Bohn is an Assistant Editor at Athletic Management.