Mary Castellano
Director of Educational & Information Technology

Faculty/Staff Technology

Mary Castellano is the Director of Educational & Information Technology at St. Francis Catholic High School. She began her career in the Bay Area working in the technology sector, where she also volunteered in classrooms through the Junior Achievement program.  She began teaching in the San Jose Unified School District in 2002.  In 2004, she relocated to Sacramento and began teaching at St. Francis.  Mary spent nine years in the classroom at St. Francis before moving into Administration in 2013.  She is now a member of the Technology Department focusing on supporting students, faculty, and staff with educational technology.


  • B.S. Political Science – Santa Clara University, 1998
  • M.A. Interdisciplinary Education – Santa Clara University, 2004


  • CA Clear Single Subject Credential – Social Sciences

First year working at St. Francis: 2004