Emergency Phone Numbers24-hr Crisis Lines: 855.278.4204 (Santa Clara) | 650.579.0350 (San Mateo) | 415.781.0500 (San Francisco) | 800.273.8255 or Text BAY to 741-741 (National)

In the wake of all the upsetting daily news,
please remember CHC is here for you and your family.

help@chconline.org or 650.688.3625

Gianna Galletta, MEd



Gianna discovered a passion for working with kids when she was in high school while volunteering. She began her teaching career working with preschool children but was soon drawn to children with special needs. Since then, Gianna has worked with students with a wide range of challenges and ages, both in classroom and one-to-one settings. Before coming to Sand Hill School, Gianna taught elementary students with Autism Spectrum Disorder. Gianna enjoys spending time with her puppy, traveling and reading. Gianna earned a BA in Liberal Studies with an emphasis in Education, a Special Education Teaching Credential and a Master’s Degree in Special Education from Notre Dame de Namur University.


  • MA, Special Education, Notre Dame de Namur University
  • BA, Liberal Studies (with an emphasis in Education), Notre Dame de Namur University