Alaska PTA encourages the discussion on expanding the start times as long as the school district and the state are looking at how this will impact every child. Many factors go into the research and parent engagement is key to the discussion.  
This decision will affect working high schoolers, sports, school programs, those kids taking college courses, bus schedules for all levels, working parents and school district funding.   
Some examples of issues include schools that do not have outdoor lighting for their stadiums, religious holidays that start at sundown, and kids who have internal clocks that wake them up earlier than others.  Travel for school events, lunch times and kids off campus during peak travel times.  Families who count on their high schooler to help with younger siblings and funds from their after school jobs to help support their families or for funds to go to college.