Who's Who at Centennial Middle School
Principals and Administrators
Josh Rosenbach
Principal
Centennial Middle School
360-563-4525
Angela Collins
Assistant Principal & Athletics
Centennial Middle School
360-563-4527
Tim Granger
Assistant Principal
Centennial Middle School
360-563-4527
Support Staff
Wendy Floyd
Registrar
Registrar's Office
Centennial Middle School
360-563-4528
Christine Martin
Main Office Secretary & Health Room Assistant
Centennial Middle School
360-563-4526 (Main Office)
360-563-4535 (Health Room)
Kerry Plantz
Administrative Assistant & Bookkeeper
Centennial Middle School
360-563-4538
Debbie Smith
Administrative Assistant Attendance & Athletics
Centennial Middle School
360-563-4527
Contact Us
Centennial Middle School
3000 S. Machias Road
Snohomish, WA 98290
Main Office
360-563-4525
Attendance Line
360-563-4534
Fax
360-563-4585
Registrar
360-563-4528
Josh Rosenbach
Principal
Angela Collins
Assistant Principal
Tim Granger
Assistant Principal (interim)
Kerry Plantz
Administrative Assistant and Bookkeeper
Wendy Floyd
Administrative Assistant and Registrar
Debbie Smith
Administrative Assistant, Attendance and Athletics
Christy Martin
Main Office Secretary