Trillium Charter School is a public TK-5 elementary charter school in Northern California.
We are located in Arcata, near Cal Poly Humboldt.
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OUR MISSION:​  To nurture community values within a diverse curriculum.  We offer small group and individualized core academic instruction balanced with strong school wide environmental science, art education and mindfulness.   

Our school consists of combination grade classes with credentialed teachers and part-time paraprofessionals. We are proud to maintain a very low staff to student ratio for core academics.

In addition to our site-based program, Trillium also offers non-classroom based independent study that blends both in-classroom learning with individualized home schooling.

Printable/Fillable Enrollment Packet
Printable/Fillable Records Release
The school office is open 8:30a-4:00pm daily during the school year
phone (707) 822-4721   fax (707) 822-7054
​Before or after hours calls please leave a message &
currently enrolled families please send us a message via ParentSquare
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