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ACDS at a Glance

San Jose Private Pre-Kindergarten, Kindergarten, Elementary & Middle School

School Profile

  • Founded in 1982
  • Coeducational, Pre-Kindergarten through 8th grade
  • 385 students enrolled for 2021-22

Our Families

  • Families come to ACDS from a variety of areas throughout Silicon Valley, with the majority residing in Almaden Valley, Blossom Valley, Willow Glen, Los Gatos, Campbell, and Evergreen
  • Parents enjoy volunteering in an array of school activities and events, with convenient options enabling more than 75% of our families to participate each year
  • On average, about 95% of families re-enroll annually
  • Approximately 20% of families receive nearly $1 million in tuition assistance

Our Graduates

  • Most of our middle school students choose to attend private high schools, but many opt to attend our strong local public high schools
  • On average, 98% of our eighth graders who apply to private high school are admitted
  • We are proud of our alumni and everything they accomplish during and after their time at ACDS

Average teacher/student ratio

  • Pre-Kindergarten – 1:6
  • Kindergarten – 1:12
  • 1st through 8th – 1:18 **
  • The Learning Center – 1:4

** Middle School math and science courses are limited to 10-15 students to support individualized learning in these subjects.

Our Faculty

  • 61 teachers, aides, and teaching administrators
  • Average teaching experience: 12 years
  • 60% of teaching staff hold graduate degrees, including 3 PhDs
  • Teacher retention averages more than 90% annually
  • Subject-area specialists teach science, technology, drama, art, foreign language, music, physical education, and library skills
  • Faculty includes published authors; professional artists, actors, and musicians; conference and workshop speakers; world travelers; former collegiate and professional athletes; and the 2021 National Coach of the Year for Middle School Speech and Debate 
  • 100% of faculty donate to the Annual Giving Campaign


Almaden Country Day School is accredited by the California Association of Independent Schools (CAIS).


The deeper I dive into the world of education policy and research, the more I realize how transformative the ‘whole child’ education framework that ACDS embraces is. Research indicates that the core features of ACDS’s model – where students’ social-emotional needs are prioritized alongside their academic ones – are critical to supporting both the academic achievement and healthy development of children. ACDS is a gem amongst schools in the Bay Area...
Maya Kaul, CLass of '09