Events

Oct 3 Fri
- Dept. Meeting
  La Serna High School
- Varsity Football @ El Rancho 7 PM – 9 PM
  La Serna High School
Oct 4 Sat
- Campus Beautification 8 AM – 11 AM
  La Serna High School
Oct 7 Tue
- School Site Council
  La Serna High School
Oct 8 Wed
- PSAT-Minimum Day
  La Serna High School
- PTSA Meeting 8:30 AM – 10 AM
  La Serna High School
Oct 9 Thu
- Round Table 3:30 AM – 4:30 AM
  La Serna High School
Oct 10 Fri
- End of quarter 1
  La Serna High School
- Homecoming Varsity Football Game vs Santa Fe 7 PM – 9 PM (Sandra Sanchez Thorstenson Stadium, South Whittier, CA 90604, USA)
  La Serna High School
Oct 13 Mon
- Float day- No school
  La Serna High School
Oct 15 Wed
- Student of the Month
  La Serna High School
Oct 16 Thu
- Great Shakeout
  La Serna High School
- Great Shakeout
  La Serna High School
Oct 17 Fri
- ELD/Course Alike
  La Serna High School
- Staff Tailgate 5 PM – 7 PM
  La Serna High School
- Varsity Football vs Cal (Senior Night) 7 PM – 9 PM (Sandra Sanchez Thorstenson Stadium, South Whittier, CA 90604, USA)
  La Serna High School
Oct 18 Sat
- Homecoming Dance
  La Serna High School
Oct 20 Mon
- Red Ribbon Week 10/20/2025 – 10/24/2025
  La Serna High School
- New Teacher Meeting 12:30 PM – 1:30 PM
  La Serna High School
Oct 21 Tue
- Red Ribbon Week 10/20/2025 – 10/24/2025
  La Serna High School
Oct 22 Wed
- Red Ribbon Week 10/20/2025 – 10/24/2025
  La Serna High School
- Fall Leadership Meeting 3:30 PM – 6 PM
  La Serna High School
Oct 23 Thu
- Red Ribbon Week 10/20/2025 – 10/24/2025
  La Serna High School
- Senior College Info Night
  La Serna High School
Oct 24 Fri
- Red Ribbon Week 10/20/2025 – 10/24/2025
  La Serna High School
- Varsity Football @ Pioneer 7 PM – 9 PM (Whittier HS)
  La Serna High School
Oct 31 Fri
- Course Alike
  La Serna High School
- Staff Trick or Treat-PTSA 10:30 AM – 11 AM
  La Serna High School
- Halloween Contest 1 PM – 1:30 PM (stage area)
  La Serna High School