September 2025

Sep 1 Mon
- Labor Day-No School
  Events Calendar
Sep 5 Fri
- Welcome Back Dance 7 PM – 10 PM
  Events Calendar
Sep 17 Wed
- Back to School Night 5:30 PM – 7:45 PM
  Events Calendar
Sep 19 Fri
- Link Crew Freshman Tailgate 6 PM – 7 PM
  Events Calendar
- Fall Musical Sweeney Todd 7 PM – 9 PM (The Forum Theater at Yorba Linda High School, 4175 Fairmont Blvd, Yorba Linda, CA 92886, USA)
  Events Calendar
Sep 20 Sat
- Fall Musical Sweeney Todd 7 PM – 9 PM (The Forum Theater at Yorba Linda High School, 4175 Fairmont Blvd, Yorba Linda, CA 92886, USA)
  Events Calendar
Sep 24 Wed
- Senior College Night 6 PM – 7 PM (ZOOM)
  Events Calendar
Sep 25 Thu
- Club Rush 12:46 PM – 1:16 PM
  Events Calendar
- Fall Musical Sweeney Todd 7 PM – 9 PM (The Forum Theater at Yorba Linda High School, 4175 Fairmont Blvd, Yorba Linda, CA 92886, USA)
  Events Calendar
Sep 26 Fri
- Club Rush 12:46 PM – 1:16 PM
  Events Calendar
- Fall Musical Sweeney Todd 7 PM – 9 PM (The Forum Theater at Yorba Linda High School, 4175 Fairmont Blvd, Yorba Linda, CA 92886, USA)
  Events Calendar
Sep 27 Sat
- Fall Musical Sweeney Todd 2 PM – 4 PM (The Forum Theater at Yorba Linda High School, 4175 Fairmont Blvd, Yorba Linda, CA 92886, USA)
  Events Calendar
- Fall Musical Sweeney Todd 7 PM – 9 PM (The Forum Theater at Yorba Linda High School, 4175 Fairmont Blvd, Yorba Linda, CA 92886, USA)
  Events Calendar
Sep 29 Mon
- AP Sales Open
  Events Calendar
- Senior Portraits 3 PM – 8 PM (YLHS College and Career Center)
  Events Calendar
Sep 30 Tue
- Senior Portraits 3 PM – 8 PM (YLHS College and Career Center)
  Events Calendar