John Marshall High School Contacts
Administration
Susan Cleveland: Principal Susan.cleveland@nisd.net
Al Castillo: Vice Principal al.castillo@nisd.net
Patricia Gutierrez: Academic Dean Patricia-c.gutierrez@nisd.net
Michael Tilbury: Assistant Principal (Last names A-Gar) Michael.Tilbury@nisd.net
Joshua Hall: Assistant Principal (Last names Gas-O) joshua.hall@nisd.net
Nicolas Garcia: Assistant Principal (Last names P-Z) Nicolas.garcia@nisd.net
Vivian Stewart-Juarez: Assistant Principal (Attendance Administrator) vivian.stewart-juarez@nisd.net
Counseling Staff
Celia Collard: Head Counselor Celia.Collard@nisd.net
Regina Canales: Counselor (Last names A-Ch) Regina.canales@nisd.net
Amanda Reuter: Counselor (Last names Ci-Gar) amanda.reuter@nisd.net
Lindsay Freres: Counselor (Last names: Gasa-Le) lindsay.freres@nisd.net
Karen Parker: Counselor (Last names: Li-O) karen.parker@nisd.net
Richard Valdez: Counselor (Last names: P-San) richard.valdezjr@nisd.net
Gloria Vargas: Counselor (Last names: Sand-Z) gloria.vargas@nisd.net
Registrar
America Guerrero: Registrar America.Guerrero@nisd.net
