Sierra Middle School

School Hours

7:30 AM - 2: 45 PM

Office Hours

Monday - Thursday

7:00 AM - 3:30 PM

Friday

7:00 AM - 3:00 PM

Attendance

303-387-3802 

303-387-3811

Last Name A-G: 303-387-3844

Last Name H-N:  303-387-3965

Last Name O-Z:  303-387-3814

School Security

303-387-3843

Fax Number

303-387-3801 

Second Round of Open Enrollment

January 23, 2023, at 8:00 am -- August 1, 2023, at 4:00 pm 

Open Enrollment Round 2 for the 23/24 school year is now open Start Here

Note: Families will receive an email with all of the required forms and documents.  Forms and documents must be returned within 3 weeks of email notification.

Registration for 7th Grade Boys Basketball is now OPEN!  

Season Begins February 27, 2023

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