William S. Hart Union High School District Home

Exterior of the William S. Hart Union High School District administrative center with text that reads Click here to learn more about the Hart District
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Be Present in school and in life! Too Sick for School? Send me to school? Keep me home? EVERY DAY COUNTS! Click here for updated LA County Department of Health Guidelines
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ONE HART

The William S. Hart Union High School District serves approximately 21,000 students on 18 campuses throughout the Santa Clarita Valley with ONE HART.
About Us
One HART Every Student Opportunity Ready Community, Caring, Courage, Creativity

Purpose

Our fundamental purpose is to ensure EVERY STUDENT is OPPORTUNITY READY when they graduate from the Hart District.
Strategic Plan

News

Casey Cuny, California Teacher of the Year

Casey Cuny Named State Teacher of the Year

Valencia HS English teacher Casey Cuny has been named one of five California Teachers of the Year by State Superintendent Tony Thurmond. In addition, Mr. Cuny was selected to represent California in the National Teacher of the Year competition.
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Blue, white, and green Santa Clarita city bus

Transportation Disruption

Santa Clarita Transit services, which provides transportation for many of our students, will be disrupted due to a bus driver strike.

We strongly encourage all Hart District families, who utilize Santa Clarita Transit services, to make alternative transportation plans to get students to school and home again.

Please read the full story for more information and to view alternative routes.
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At A Glance

Photo collage arranged in triangular lattice. Top, left to right: Junior High band students pose with instruments, art students drawing and painting in classroom, students throwing caps at graduation, students posing with physics experiment, student welding in CTE class. Center, the words Hart District in dark red on a white background. Bottom, left to right: High School cheerleaders and students on first day of school, robotics student working on project, group of students posing with trophies, students sitting in a circle, high school football team during a game.
  • CA Exemplary District
  • 11 CA Distinguished/ National Blue Ribbon Schools
  • 26 Career Technical Education Pathways in 13 Industry Sectors
  • 96.7% Graduation Rate
  • Wellness Centers on Every Campus