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Events
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December 2025
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Dec
1
Mon
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Boys Frosh Basketball @ Cerritos
3:30 PM
–
4:30 PM
La Serna High School
Boys JV Basketball @ Cerritos
5 PM
–
6 PM
La Serna High School
Boys Varsity Basketball @ Cerritos
6:30 PM
–
7:30 PM
La Serna High School
Dec
2
Tue
ELD Boys/Girls Lunch Group
11:30 AM
–
1:30 PM (small gym)
La Serna High School
Informational Meeting/Chavez
12 PM
–
1 PM (LIbrary)
La Serna High School
Puente Family Holiday Party 5PM
3:30 PM
–
7:30 PM (cafeteria)
La Serna High School
SSC
3:30 PM
–
4:30 PM
La Serna High School
Track and Field Tryouts
3:30 PM
–
5 PM (LS Track)
La Serna High School
Softball Tryouts
3:45 PM
–
5 PM (softball field)
La Serna High School
Boys Varsity Basketball @ Sonora
7:30 PM
–
8:30 PM
La Serna High School
Dec
3
Wed
Puente-UCR/Riverside art walk
La Serna High School
Winter Assembly
11:30 AM
–
1 PM
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Boys tennis tryouts
3:20 PM
–
4:45 PM (tennis courts)
La Serna High School
Track and Field Tryouts
3:30 PM
–
5 PM (LS Track)
La Serna High School
Softball Tryouts
3:45 PM
–
5 PM (softball field)
La Serna High School
Dec
4
Thu
Earth/Space Griffith Park
La Serna High School
Model UN Conference/UC Berkeley
12/4/2025
–
12/8/2025
La Serna High School
I Applied Senior Event
10:30 AM
–
2 PM (small gym)
La Serna High School
Boys tennis tryouts
3:20 PM
–
4:45 PM (tennis courts)
La Serna High School
Track Tryouts
3:30 PM
–
5 PM (track)
La Serna High School
Track and Field Tryouts
3:30 PM
–
5 PM (LS Track)
La Serna High School
Softball Tryouts
3:45 PM
–
5 PM (softball field)
La Serna High School
Girls JV/ Varsity flag football banquet
6 PM
–
9 PM (La Mirada Golf Course, 15501 Alicante Rd, La Mirada, CA 90638, USA)
La Serna High School
Dec
5
Fri
Model UN Conference/UC Berkeley
12/4/2025
–
12/8/2025
La Serna High School
Dept Mtg
8 AM
–
9 AM
La Serna High School
SCA Academy Per. 3 & 4
10:30 AM
–
1 PM (small gym)
La Serna High School
Dec
6
Sat
Model UN Conference/UC Berkeley
12/4/2025
–
12/8/2025
La Serna High School
Lighthouse Dance Studio Showcase
8 AM
–
6 PM (Big Gym)
La Serna High School
Girls Soccer Unity Night
5:30 PM
–
9:30 PM (small gym)
La Serna High School
Dec
7
Sun
Model UN Conference/UC Berkeley
12/4/2025
–
12/8/2025
La Serna High School
Lighthouse Dance Studio Showcase
8 AM
–
4 PM (Big Gym)
La Serna High School
Dec
8
Mon
Model UN Conference/UC Berkeley
12/4/2025
–
12/8/2025
La Serna High School
Seal of Biliteracy meeting
12:30 PM
–
1:30 PM (Library)
La Serna High School
Baseball Tryouts
3 PM
–
4 PM (freshman baseball field)
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Girls JV Basketball vs Workman
4:30 PM
–
5:30 PM
La Serna High School
Girls Varsity Basketball vs Workman
6 PM
–
7 PM
La Serna High School
Dec
9
Tue
Bilingual Tutors, Alondra Garcia-senior project per. 3
10:41 AM
–
11:31 AM (library)
La Serna High School
Baseball Tryouts
3 PM
–
4 PM (freshman football field)
La Serna High School
Girls Frosh/Soph Basketball @ Diamond Bar
3 PM
–
4 PM
La Serna High School
Track Tryouts
3:30 PM
–
5 PM (track)
La Serna High School
Track and Field Tryouts
3:30 PM
–
5 PM (LS Track)
La Serna High School
Girls JV Basketball @ Diamond Bar
5 PM
–
6 PM
La Serna High School
Girls Varsity Basketball @ Diamond Bar
6:30 PM
–
7:30 PM
La Serna High School
Dec
10
Wed
Boys Varsity Wrestling Mann Classic Tournament
(Marina HS-HB)
La Serna High School
Girls Frosh/Soph Basketball @ Sonora
3 PM
–
4 PM
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Boys JV Basketball @ Sonora
3:30 PM
–
4:30 PM
La Serna High School
Track Tryouts
3:30 PM
–
5 PM (track)
La Serna High School
Track and Field Tryouts
3:30 PM
–
5 PM (LS Track)
La Serna High School
Girls JV Basketball vs La Habra
5 PM
–
6 PM
La Serna High School
ELAC parent meeting
6 PM
–
7:30 PM (Library)
La Serna High School
Girls Varsity Basketball vs La Habra
6:30 PM
–
7:30 PM
La Serna High School
Dec
11
Thu
Girls Soccer @ Alta Loma
La Serna High School
Girls Soccer @ Warren
La Serna High School
Bilingual Tutors, Alondra Garcia-senior projects per. 3
10:41 AM
–
11:31 AM (library)
La Serna High School
Reach for the One Club
12:30 PM
–
1:30 PM (big gym)
La Serna High School
Roundtable
3 PM
–
4 PM
La Serna High School
Cross Country Banquet (set up and banquet)
3:30 PM
–
9 PM (Small Gym)
La Serna High School
Track Tryouts
3:30 PM
–
5 PM (track)
La Serna High School
Track and Field Tryouts
3:30 PM
–
5 PM (LS Track)
La Serna High School
Girls JV Basketball @ Villa Park
4 PM
–
5 PM
La Serna High School
Boys Varsity Soccer @ Los Altos
5:30 PM
–
6:30 PM
La Serna High School
Girls Varsity Basketball @ Villa Park
5:30 PM
–
6:30 PM
La Serna High School
Dec
12
Fri
Dance Class
(big gym)
La Serna High School
Staff Holiday Potluck
8 AM
–
9 AM
La Serna High School
Girls WP Tournament
2 PM
–
8 PM (POOL)
La Serna High School
Boys Varsity Soccer @ Bassett
5 PM
–
6 PM
La Serna High School
Dec
13
Sat
Boys Frosh Wrestling Trny
(Valencia HS Placencia)
La Serna High School
Girls WP Tournament
8 AM
–
4 PM (POOL)
La Serna High School
Girls Frosh/Soph Basketball vs Tustin
10:30 AM
–
11:30 AM
La Serna High School
Girls JV Basketball vs Tustin
12 PM
–
1 PM
La Serna High School
Girls Varsity Basketball vs Tustin
1:30 PM
–
2:30 PM
La Serna High School
Dec
14
Sun
Girls Water Polo Holiday Party
3:30 PM
–
9 PM (cafeteria)
La Serna High School
Dec
15
Mon
Boys to men luncheon
1 PM
–
1:30 PM (small gym)
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Dec
16
Tue
Swim Parent Meeting
5 PM
–
8 PM (LIbrary)
La Serna High School
Dec
17
Wed
Finals 0, 1, 3 Minimum Day
La Serna High School
Spirit Awakening-Library
12:45 PM
–
3:45 PM
La Serna High School
Boys Varsity Soccer @ Brea
5 PM
–
6 PM
La Serna High School
Dec
18
Thu
Finals 0, 2, 5 Minimum Day
La Serna High School
Dec
19
Fri
Boys Varsity Wrestling Lakeside Lancer Annual Holiday Invitational
(Lakeside HS)
La Serna High School
End of semester 1
La Serna High School
Finals 4, 6 Minimum Day
La Serna High School
Boys Varsity Soccer @ Sonora
3 PM
–
4 PM
La Serna High School
Boys Varsity Basketball vs La Habra
6 PM
–
7 PM (@ Sonora)
La Serna High School
Choir Concert
7 PM
–
8 PM (Whittier College)
La Serna High School
Choir Concert
7 PM
–
9 PM (Whittier College)
La Serna High School
Girls Varsity Basketball @ Sonora
7:30 PM
–
8:30 PM
La Serna High School
Dec
20
Sat
Boys Varsity Wrestling Amat Classic
(Bishop Amat HS)
La Serna High School
Girls Junior Varsity Wrestling Tournament
(San Dimas HS)
La Serna High School
Girls Varsity Wrestling Tournament
(Foothill HS)
La Serna High School
Boys Frosh Basketball vs Fairmont Prep
12 PM
–
1 PM
La Serna High School
Boys JV Basketball vs Fairmont Prep
1:30 PM
–
2:30 PM
La Serna High School
Girls Frosh/Soph Basketball vs Downey
3 PM
–
4 PM
La Serna High School
Girls JV Basketball vs Downey
4:30 PM
–
5:30 PM
La Serna High School
Girls Varsity Basketball vs Downey
6 PM
–
7 PM
La Serna High School
Dec
22
Mon
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Dec
23
Tue
Girls Soccer @ Sonora
(La Habra HS)
La Serna High School
Girls Varsity Wrestling Tournament
(Corona HS)
La Serna High School
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Girls JV Basketball vs Nogales
6 PM
–
7 PM
La Serna High School
Girls Varsity Basketball vs Nogales
6 PM
–
7 PM
La Serna High School
Dec
24
Wed
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Dec
25
Thu
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Dec
26
Fri
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Dec
27
Sat
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Dec
28
Sun
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Dec
29
Mon
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Dec
30
Tue
Girls Varsity Wrestling Tournament
(Sonora HS)
La Serna High School
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Girls Soccer @ Troy
12 PM
–
1 PM
La Serna High School
Dec
31
Wed
Winter Break- no school
12/22/2025
–
1/5/2026
La Serna High School
Spirit Awakening-Library
3 PM
–
6 PM
La Serna High School
Events in December 2025
Su
Mo
Tu
We
Th
Fr
Sa
30
4 events
1
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7 events
2
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3
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4
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5
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6
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7
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8
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9
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10
•••
11 events
11
•••
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12
•••
5 events
13
•••
One event
14
•
2 events
15
••
One event
16
•
3 events
17
•••
One event
18
•
8 events
19
•••
8 events
20
•••
21
2 events
22
••
5 events
23
•••
2 events
24
••
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25
•
One event
26
•
One event
27
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One event
28
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One event
29
•
3 events
30
•••
2 events
31
••
One event
1
•
2 events
2
••
2 events
3
••
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