Welcome to our Website! 
Please check this site for daily announcements, upcoming events, team news and homework. Our site will be updated daily for your convenience. La Mesa Junior High School is part of the William S. Hart Union High School District and is located in the beautiful Santa Clarita Valley in Southern California.
Thank You for Attending Back-To-School Night!
IMPORTANT REMINDERS:
La Mesa will be operating on Minimum Day Schedule on Thursday, September 2nd and Friday, September 3rd with dismissal at 12:45. No lunch will be served.
- The CADRE Program (Voluntary Random Student Drug Testing) is now part of the Hart District. For further informtion click here.
- La Mesa's School Safety Plan is now available for viewing.
- La Mesa's Emergency Information is now available for viewing.

