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Events
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October 2025
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Oct
1
Wed
Boys Varsity Water Polo @ WHS
La Serna High School
Make up picture day (yearbook/I.D.)
8:30 AM
–
3:20 PM (small gym)
La Serna High School
Girls Golf vs El Rancho
3:24 PM
–
5:24 PM (La Mirada G.C.)
La Serna High School
Varsity Flag Football @ El Rancho
4:30 PM
–
6 PM
La Serna High School
Oct
2
Thu
Frosh Football @ ER
3:15 PM
–
5 PM (El Rancho)
La Serna High School
JV Football vs ER
3:15 PM
–
5 PM (LSHS)
La Serna High School
Varsity Tennis vs El Rancho
3:15 PM
–
4:15 PM
La Serna High School
Varsity Volleyball vs Santa Fe
4:30 PM
–
5:30 PM
La Serna High School
Oct
3
Fri
Dept. Meeting
8 AM
–
9 AM
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria)
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
6
Mon
Varsity Flag Football vs Santa Fe
7:30 PM
–
9 PM (Sandy T. Stadium)
La Serna High School
Oct
7
Tue
Varsity Tennis at Santa Fe
3:15 PM
–
4:15 PM
La Serna High School
Varsity Water Polo vs Cal High
3:15 PM
–
4:30 PM
La Serna High School
School Site Council
3:30 PM
–
4:30 PM
La Serna High School
Varsity Volleyball vs Cal High
4:30 PM
–
5:30 PM
La Serna High School
Oct
8
Wed
Boys Varsity Water Polo vs Cal Hi
(La Serna Aquatic Center)
La Serna High School
PSAT-Minimum Day
La Serna High School
PTSA Meeting
8:30 AM
–
10 AM
La Serna High School
Varsity Flag Football @ Cal
4:30 PM
–
6 PM (Sandy T. Stadium)
La Serna High School
Oct
9
Thu
Round Table
3:30 AM
–
4:30 AM
La Serna High School
Girls Golf vs Cal
2:30 PM
–
4:30 PM (La Mirada G.C.)
La Serna High School
Frosh Football vs SFHS
3:15 PM
–
5 PM (Santa Fe)
La Serna High School
JV Football @ SFHS
3:15 PM
–
5 PM (SFHS)
La Serna High School
Varsity Tennis vs Cal High
3:15 PM
–
4:15 PM
La Serna High School
Varsity Volleyball vs Whittier
4:30 PM
–
5:30 PM
La Serna High School
Oct
10
Fri
End of quarter 1
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria)
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
Varsity Flag Football vs Whittier
7:30 PM
–
9 PM (Sandy T. Stadium)
La Serna High School
Oct
14
Tue
Varsity Tennis vs Whittier
3:15 PM
–
4:15 PM
La Serna High School
Oct
15
Wed
SOTM- Science
8 AM
–
8:30 AM
La Serna High School
Boys to men luncheon
1 PM
–
1:30 PM (small gym)
La Serna High School
Girls Golf vs W.C.
3:56 PM
–
5:56 PM (La Mirada G.C.)
La Serna High School
Oct
16
Thu
Great Shakeout
La Serna High School
Frosh Football vs Cal Hi
3:15 PM
–
5 PM (LSHS)
La Serna High School
JV Football @ Cal Hi
3:15 PM
–
5 PM (Cal)
La Serna High School
Oct
17
Fri
ELD/Course Alike
8 AM
–
9 AM
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria)
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 @ LB Aquarium
7:30 PM
–
11:30 PM
La Serna High School
Homecoming Dance- LB Aquarium
10/18/2025, 7:30 PM
–
10/19/2025, 11:30 PM
La Serna High School
Oct
19
Sun
Homecoming Dance- LB Aquarium
10/18/2025, 7:30 PM
–
10/19/2025, 11:30 PM
La Serna High School
Oct
20
Mon
Red Ribbon Week
10/20/2025
–
10/24/2025
La Serna High School
New Teacher Meeting
1 PM
–
1:30 PM
La Serna High School
Oct
21
Tue
Girls Golf League Prelims
(Dad Miller G.C. Anaheim)
La Serna High School
Red Ribbon Week
10/20/2025
–
10/24/2025
La Serna High School
Varsity Tennis League Prelims at El Rancho
12 PM
–
1 PM
La Serna High School
Oct
22
Wed
Boys Varsity Water Polo vs Santa Fe
(La Serna Aquatic Center)
La Serna High School
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
Varsity Tennis League Finals at Palm Park
12 PM
–
1 PM
La Serna High School
Frosh Football @ WHS
3:15 PM
–
5 PM (WHS)
La Serna High School
JV Football vs WHS
3:15 PM
–
5 PM (LSHS)
La Serna High School
Senior College Info Night
6 PM
–
7 PM
La Serna High School
Oct
24
Fri
Red Ribbon Week
10/20/2025
–
10/24/2025
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria)
La Serna High School
Varsity Football @ Pioneer
7 PM
–
9 PM (Whittier HS)
La Serna High School
Oct
27
Mon
PIH Golf Tournament ( use the baseball parking lot)
7 AM
–
3 PM
La Serna High School
Oct
31
Fri
Course Alike
8 AM
–
9 AM
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
Events in October 2025
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