School Start Times in U.S. States: Full List

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Most U.S. middle and high schools start too early — with an average start time of around 8:00 a.m., according to a new study. Some children's health organizations recommend that schools start no earlier than 8:30 a.m., to help teens get the sleep they need.

The study also found that school starts times varied greatly by state, with schools in Louisiana starting at 7:40 a.m., on average, and schools in Alaska starting at 8:33 a.m., on average.

Alabama: 7:49 a.m.

Alaska: 8:33 a.m.

Arizona: 8:03 a.m.

Arkansas: 8:01 a.m.

California: 8:07 a.m.

Colorado: 7:54 a.m.

Connecticut: 7:46 a.m.

Delaware: 7:42 a.m.

Florida: 8:17 am

Georgia : 8:09 a.m.

Hawaii: 8:03 a.m.

Idaho: 8:13 a.m.

Illinois: 8:13 a.m.

Indiana: 7:58 a.m.

Iowa: 8:23 a.m.

Kansas: 8:00 a.m.

Kentucky: 8:03 a.m.

Louisiana: 7:40 a.m.

Maine: 7:53 a.m.

Maryland: N/A

Massachusetts: 7:53 a.m.

Michigan: 7:54 a.m.

Minnesota: 8:18 a.m.

Mississippi: 7:47 a.m.

Missouri: 7:54 a.m.

Montana: 8:13 a.m.

Nebraska: 8:07 a.m.

Nevada: 7:51 a.m.

New Hampshire: 7:46 a.m.

New Jersey: 8:00 a.m.

New Mexico: 8:10 a.m.

New York: 7:59 a.m.

North Carolina: 8:03 a.m.

North Dakota: 8:31 a.m.

Ohio: 7:52 a.m.

Oklahoma: 8:10 a.m.

Oregon: 8:14 a.m.

Pennsylvania: 7:48 a.m.

Rhode Island: 7:50 a.m.

South Carolina: 8:03 a.m.

South Dakota: 8:13 a.m.

Tennessee: 7:57 a.m.

Texas: 8:05 a.m.

Utah: 8:05 a.m.

Vermont: 8:05 a.m.

Virginia: 8:04 a.m.

Washington: 8:08 a.m.

West Virginia: 7:54 a.m.

Wisconsin: 7:59 a.m.

Wyoming: 7:59 a.m.

Follow Rachael Rettner @RachaelRettner. Follow Live Science @livescience, Facebook & Google+. Original article on Live Science.

Rachael Rettner
Rachael Rettner
Contributor

Rachael is a Live Science contributor, and was a former channel editor and senior writer for Live Science between 2010 and 2022. She has a master's degree in journalism from New York University's Science, Health and Environmental Reporting Program. She also holds a B.S. in molecular biology and an M.S. in biology from the University of California, San Diego. Her work has appeared in Scienceline, The Washington Post and Scientific American.