Keystone International Schools’ group of experienced founders created Keystone International Schools in order to provide a holistic learning environment for children from around the globe. At Keystone, we hope to instill in our students an intrinsic appreciation for life and a love of learning. It is our aim to provide children with the skills necessary to become responsible, environmentally and socially conscious, independent world citizens.

Keystone International Schools aim to provide continuity of education. We provide a holistic educational environment from age 2 through 8th Grade....


Keystone International Primary School has adopted the American Common Core State Standards, which are a set of clear goals for each grade level...

Keystone International Preschool was created in order to expose children to different languages from a young age. According to recent research, a child between the ages of 2-6 has the capacity to learn six different languages without any confusion...

Our International Primary School provides education for students in grades Kindergarten through 5th. The language of instruction is English. The national American curriculum, CCSS, is implemented in all primary grade levels. The curriculum frameworks are provided by the California Department of Education, from which we license our program.

Our International Middle School provides education for student in grades 6th-8th. The language of instruction is English. The national American curriculum, CCSS, is implemented in all primary grade levels...

Keystone aims to provide children with the necessary skills to become responsible, environmentally and socially conscientious, independent citizens of the world which is why at Keystone we know that school is more than just the academic experience.

At Keystone International Schools, we are aware of the concerns parents have about health and nutrition, especially when it comes to their children’s diets. We like to think of it as our job to take the same amount of care a parent would when addressing children’s dietary needs.