The Renaissance International School

Willow Team Bios

Sara Sangco,  Early Childhood Program Coordinator

Sara Sangco


Sara was born and raised in the Philippines, and traveled often growing up. She completed her Bachelor of Arts degree from the Ateneo de Manila University, majoring in English Literature and Communications. She also holds two Minors in Philosophy and Creative Writing, and worked as a freelance writer and Elementary English teacher before moving to San Diego in 2005 to pursue her AMI Primary training. She was drawn to the method because of her experience in a Montessori High School, and fell in love with TRIS during her visit in 2006. She has worked here ever since. In 2008, she completed her M.Ed in Montessori Education from the Loyola University in Maryland. Since then, she and her husband have welcomed three children, all of whom attend TRIS. In her spare time, Sara enjoys cooking, sneaking vegetables into her children’s food, reading, traveling, and swimming.

Samia Guerdj

Samia Guerdj


Samia, is the mother of two boys. She is from Algeria and studied as a lawyer at the University of Tizi Ouzou. Samia has 15 years of experience in the field of early childhood as director of a preschool in Algeria. She came to California with her family in 2018. She has training in child growth development from Saddleback College. She worked as a teacher at a French preschool in Oakland for 2 and a half years. She started working at Tris in August 2021 as a French teacher in the Willow Classroom. She speaks French, Arabic and Berber.

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