Phone: 480-892-2801


Degrees and Certifications:

Ms. Julie Oster, Principal

Ms. Julie Oster joins Gilbert Public Schools after having spent years admiring the district’s legacy of excellence and having witnessed its continual growth. Ms. Oster previously served as principal at two other schools in the Valley. She is overjoyed to have the opportunity to create a welcoming atmosphere for Greenfield Elementary students, families and staff. It is Ms. Oster’s desire to continue building on the school’s success while maintaining a positive, nurturing and safe environment for all learners. 

Greenfield Elementary Announcements

Upcoming Greenfield Events

Peachjar Flyers

Elementary School Day Start & End Times

  • Monday, Tuesday, Thursday, Friday: 8:10am–2:55pm

    Wednesday Early Release: 8:10am–1:55pm

    Half Days: 8:10am–11:55am

Last Modified on April 24, 2023