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About Cissy Lewis

Passionate educator Cissy Lewis earned bachelors degrees in English and biology concurrently from The University of the South in Sewanee, Tennessee. She continued her education at The Bread Loaf School of English in Middlebury, Vermont. Cissy Lewis went on to earn a master of education from Harvard University’s Graduate School of Education.

At Harvard, Ms. Lewis studied the psychology of adolescence and the education of girls with noted psychologist Carol Gilligan. She also had the opportunity to study the psychology of leadership in an experiential course taught by professor Ron Heifetz.

Ms. Lewis launched her formal teaching career at The Hockaday School in Dallas, Texas. She later taught at The Harpeth Hall School in Nashville, Tennessee.

Ms. Lewis later served as dean of girls and then assistant head of school at The Baylor School in Chattanooga, Tennessee. During this time, her leadership was instrumental in the school’s transition from boys only to coeducational. She then moved to Palo Alto, California, where she held several administrative positions at the Castilleja School.

Work experience

Jul 1972Dec 2013

Academic Dean, Assistant Head of School, Head of Upper School, English Teacher

Castilleja School



Bread Loaf School of English, Middlebury College
Sep 1990Jun 1991


Harvard Graduate School of Education