Design Tech High School, commonly referred to as d.tech, is the first of two tuition-free public charter high schools in California. This d.tech is located in Redwood City, California, and is part of the San Mateo Union High School District. Founded in 2014, the school has roughly 550 students (as of fall 2018) and focuses on implementing technology, self-direction, and the process of Design Thinking into its curriculum. Since its founding, the school has worked alongside the Stanford University and the Oracle Education Foundation (OEF) to provide opportunities to students outside of their normal school environment.