First opened to students in 1955, Hillsdale High School is a four-year high school serving students largely from the cities of San Mateo and Foster City. One of seven high schools in the San Mateo Union High School District, Hillsdale is a Title I school with approximately 1200 students from very diverse ethnic and socio-economic backgrounds. The Hillsdale community is situated in an ideal location at the center of the San Francisco Peninsula, midway between San Francisco and San Jose.

The faculty and administrative staff are highly qualified professionals with over eighty percent holding master degrees in their field. Hillsdale High School is committed to ongoing professional training, much of it in partnership with Stanford University.

While proud of our traditions, Hillsdale is also a school that seeks new ways to help all students embrace the knowledge and skills needed to adapt and thrive in a world of change. Hillsdale pursues the application of computers and technology throughout the curriculum and encourages students to focus their future plans. Hillsdale additionally offers a broad range of Advanced Placement courses along with a strong elective program in fine, performing, visual and industrial arts.

Hillsdale High School continues to represent the best of public school education.