December 2025

Sunday Monday Tuesday Wednesday Thursday Friday Saturday
30
1
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
2
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
3
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
4
Earth/Space Griffith Park
La Serna High School
Model UN Conference/UC Berkeley 12/4/2025 – 12/8/2025, 11:59 PM
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
5
Model UN Conference/UC Berkeley 12/4/2025 – 12/8/2025, 11:59 PM
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
6
Model UN Conference/UC Berkeley 12/4/2025 – 12/8/2025, 11:59 PM
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
7
Model UN Conference/UC Berkeley 12/4/2025 – 12/8/2025, 11:59 PM
La Serna High School
Lighthouse Dance Studio Showcase 8 AM – 4 PM (Big Gym)
La Serna High School
8
Model UN Conference/UC Berkeley 12/4/2025 – 12/8/2025, 11:59 PM
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
9
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
10
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
11
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
12
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
13
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
14
Girls Water Polo Holiday Party 3:30 PM – 9 PM (cafeteria)
La Serna High School
15
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
16
Swim Parent Meeting 5 PM – 8 PM (LIbrary)
La Serna High School
17
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
18
Finals 0, 2, 5 Minimum Day
La Serna High School
19
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
20
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
21
22
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
Spirit Awakening-Library 3 PM – 6 PM
La Serna High School
23
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, 11:59 PM
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
24
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
Spirit Awakening-Library 3 PM – 6 PM
La Serna High School
25
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
26
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
27
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
28
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
29
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
30
Girls Varsity Wrestling Tournament (Sonora HS)
La Serna High School
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
Girls Soccer @ Troy 12 PM – 1 PM
La Serna High School
31
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
Spirit Awakening-Library 3 PM – 6 PM
La Serna High School
1
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
2
Boys Varsity Wrestling Tournament of Champions (Sonora HS)
La Serna High School
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
3
Boys Varsity Wrestling 3rd Annual King of the HIll Tournament (Corona HS)
La Serna High School
Winter Break- no school 12/22/2025 – 1/5/2026, 11:59 PM
La Serna High School
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