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Welcome to Mountlake Terrace High School

Mountlake Terrace High School is is a public school in the Edmonds School District serving students in grades 9-12.  Mountlake Terrace High School Houses the Science Technology Engineering and Math (STEM)  program for the Edmonds School District.  

Principal: Crosby Carpenter
Assistant Principal: Dan Falk 
Assistant Principal: Rosemarie Burke
Student Behavior Coordinator: Tawny Clark
Office Manager:  Jessica Jacobs 

Main Office hours: 7:00 AM - 3:00 PM

School Hours

Start Time: 7:20 AM 
End Time Mondays- Thursdays: 1:52 PM
End Time Fridays: 12:35 PM
Half-Day Early Release: 10:20 AM


Main Office: 425-431-7776
FAX: 425-431-7771
Attendance Office: 425-431-7781
Counseling Office: 425-431-5663
ASB/Activities Office: 425-431-5694 
Athletics: 425-431-5078 
College/Career Center: 425-431-5613
Library: 425-431-6149
Chromebook Support: 425-431-5592

Mountlake Terrace High School Land Acknowledgement

We acknowledge that Mountlake Terrace High School sits on the traditional homelands of the Suquamish, Stillaguamish, and Coast Salish Peoples. The land of these tribes was taken by colonizers using the Treaty of Point Elliott, which to this day has never been fully honored. We also recognize the 29 tribes throughout Washington state. As we learn today, we commit to remembering the genocide of Indigenous Peoples in the US and ask you to take a moment to reflect on the history of the land on which you stand.