Esther has served as a journalism/English teacher at Palo Alto High School, Palo Alto, CA for the past 27 years. She built the journalism program from a small group of 20 students in 1985 to more than 500 students today. The program has four additional journalism teachers, and five award-winning journalism electives: newspaper (The Campanile), magazine (Verde), online (www.voice.paly.net), television (InFocus), and Viking, a sports magazine. Wojcicki was selected by the California Commission on Teacher Credentialing as 2002 California Teacher of the Year.
Over the past 20 years, the publications have won Gold and Silver Crowns from Columbia Scholastic Press Association, the PaceMaker Award and Hall of Fame Award from National Scholastic Press, and best in nation from Time Magazine in 2003. The website was honored with two Webby Awards in 2005. She is Chair of the Board of Directors of Creative Commons focusing on education and learning. She is also President of the Friends of the Lurdes Mutola Foundation to support girls' education in Mozambique. She is also a consultant for Carnegie Foundation for the Advancement of Teaching and Hewlett Foundation. She is on the Advisory Board for University of the People.