Mercer Island School District Emergency Information Message 206-236-3366
Sign Up for Emergency Update Email and Text Alerts!
We tend to close schools if it is unsafe to operate buses or if school environmental systems are not working. When staff members are unable to travel to work from on or off island, or if weather forecasts are serious enough, we may elect to close schools or open on a delayed schedule. For more detailed information click here
In order to get immediate updates via email and/or text you must register with the Flash Alert Network at http://www.flashalert.net. Also, download the free FlashAlert Messenger iOS/Android app.
Questions about Flash Alert should be addressed to Director of Transportation David Bynum.
Carbon Monoxide Poisoning Information
The King County Health Department is working with community partners to prepare for emergencies that may occur this winter. As part of our emergency preparedness efforts, attached is a handout regarding carbon monoxide poisioning...see the attached flyer in English and in multiple languages.