Teaching Staff

 Heather Mueller, Head Teacher

After receiving her Master’s in Education from Antioch in Seattle, Heather moved to San Juan Island in 2007, teaching kindergarten and then second grade for ten years.  She then taught adults meditation and art therapy, as well as becoming an affiliated counselor before joining St. David’s Day School in 2021.  She enjoys her time on the island with walks, painting, community theatre, and gardening.  She lives gratefully with her long-time partner, David, and their dog, Mendel.

Kim Erickson, Assistant Teacher

Kim has been working with San Juan Island children as a preschool teacher, classroom assistant, and substitute teacher for more than a decade.  She has been a regular volunteer at Friday Harbor Elementary school and also a Den Leader for Cub Scouts. She and her husband have two sons.

Margaret Barker, Founder

Saint David’s Day School owes its existence to Margaret’s vision, experience and perseverance.  Although she has now retired from the classroom, she continues to be closely involved with the governance of the school, and serves as a supervisor and mentor to our teaching staff.

Margaret came to us with more than twenty years of experience teaching Kindergarten at The Lexington School in Lexington, KY and fourteen additional years teaching at the preschool level.  Mrs. Barker has been a presenter at local, state, and national NAEYC (National Association for the Education of Young Children) conventions.  Margaret and her husband have been residents of San Juan Island since 2006.