First Day of School

The first day of Upper School is Thursday, August 24th. Students new to Trillium, and returning 6th and 9th graders, should arrive at 8:30am for orientation. Returning 7th, 8th, 10th, 11th, and 12th graders should arrive at 12:00pm.

The first day of Lower School is Monday, August 28th. All students should arrive at 8:30am. Want to dip your toes in Trillium a couple days early? Please attend the Welcome Fair on Saturday, August 26th, from 11:00am-12:00pm.




Upcoming Events

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Aug 8th, 2017

Subscribe to Trillium News

New to Trillium? Please subscribe to Trillium News, our biweekly e-newsletter. We encourage all Trillium families to submit and subscribe. You may submit news, photos, and events to Kay Kennett, Community Liaison, by email:  Read More »
Aug 8th, 2017

Upcoming School Tours

We will be conducting school tours on:
  • Tuesday, August 15th at 9 AM Full
  • Wednesday, August 23rd at 9 AM  Full
  • Friday, September 8th at 12:30 PM
Tours are limited to seven persons. Please email to make an appointment.  ...  Read More »
Aug 5th, 2017

Spaces for 2017-18 Available

We are still accepting applications for the 1st, 3rd and 5th grades, Middle School, and 9th and 10th grades, for the 2017-18 school year. You are welcome to fill out the application below and email it to: For more information email Debra or call at 503-285-3833 TCS Application 2017...  Read More »