Due to extremely hazardous air quality, HUSKY CLUB and all school buildings and programs are CLOSING today * ALL MUSD SCHOOLS REMAIN OPEN FOR DISTANCE LEARNING ONLY *  For more information, please see the AIR QUALITY Tab on our webpage below * HUSKY CLUB is OPEN * We will be continually monitoring the "AIRNOW" AIR QUALITY INDEX *

Mammoth Unified School District

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Snow Day Information

Snow Day Information

Yellow Days - All schools start at 10:00 AM

RED DAYS - NO SCHOOL, all school activies are cancelled including meetings, athletics, travel and practices.


For School schedules on snow days, the Supt. makes the call for a Red or Yellow day at or before 5:30 AM. If the call is Yellow, all students should go to their bus stop two (2) hours later than usual and school is dismissed at normal times:

Kindergarten, Grade 1, 2 1:30 PM dismissal

Grades 3-12 2:30 PM dismissal
Sierra High School 1:00 PM dismissal


If it becomes necessary to go from a Yellow to a Red Day, the call will be made at or before 7:30 AM.


Please watch KOLO TV Channel 8, listen to KIBS, Sierra Wave or KMMT radio. Notice will also be posted on the front page of the district web site.


If you have any questions or concerns, please contact your school office.