Palo Alto Unified School District has been educating children and adults from grades Kindergarten to 12th grade for over 100 years. The district includes the city of Palo Alto, Stanford University and areas of Los Altos Hills, Palo Alto Hills and Portola Valley within its attendance area.

The 2008/2009 enrollment is 11,431. There are 2 high schools, 3 middle schools and 12 elementary schools within the district