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Events
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September 2025
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Year Overview
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Sep
1
Mon
Labor day holiday- no school
La Serna High School
Sep
2
Tue
Boys Varsity Water Polo vs Damien
(LSHS Aquatic Center)
La Serna High School
Club Rush
11 AM
–
1:30 PM (big gym)
La Serna High School
Varsity Tennis at Whitney
2:30 PM
–
3:30 PM
La Serna High School
Varsity Volleyball vs Valley Christian
4:30 PM
–
5:30 PM
La Serna High School
Varsity Flag Football vs Bishop Amat
7:30 PM
–
9 PM (Sandy T. Stadium)
La Serna High School
Sep
3
Wed
Williams Facility Visit
La Serna High School
Frosh Football vs Warren
3:15 PM
–
5 PM (Warren)
La Serna High School
JV Football @ Warren
3:15 PM
–
5 PM (Warren)
La Serna High School
Varsity Flag Football @ Downey
7:30 PM
–
8:30 PM
La Serna High School
Sep
4
Thu
SBAC Raffle Distribution
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria)
La Serna High School
Varsity Football vs Warren
7 PM
–
9 PM
La Serna High School
Sep
5
Fri
SBAC Raffle
La Serna High School
Course Alike/LTEL
8 AM
–
9 AM
La Serna High School
Barnes per. 4
11:37 AM
–
12:37 PM (big gym)
La Serna High School
Friday off campus lunch sticker meeting
12:30 PM
–
1:30 PM (big gym)
La Serna High School
Welcome Back Dance
6:30 PM
–
10 PM (quad)
La Serna High School
Sep
9
Tue
Freshman Picture Day
(small gym)
La Serna High School
Varsity Tennis vs Mayfair
3:15 PM
–
4:15 PM
La Serna High School
Varsity Flag Football vs Sunny Hills
4:30 PM
–
5:30 PM (La Serna HS)
La Serna High School
Sep
10
Wed
Sophomore Picture Day
(small gym)
La Serna High School
Coffee w/Castro
8 AM
–
9 AM
La Serna High School
PTSA Meeting
8:30 AM
–
10 AM
La Serna High School
Honor Roll Distribution
12:30 PM
–
1:30 PM
La Serna High School
Varsity Tennis at Sunny Hills
3:15 PM
–
4:15 PM
La Serna High School
Cheer meeting/Klock
6 PM
–
8 PM (cafeteria)
La Serna High School
District College Fair @ PHS
6 PM
–
8 PM
La Serna High School
Varsity Flag Football @ Dana Hills
7:30 PM
–
8:30 PM
La Serna High School
Sep
11
Thu
All Staff Per by Per-Lockdown/Great Shakeout
La Serna High School
Junior Picture Day
(small gym)
La Serna High School
Frosh Football vs Northview
3:15 PM
–
5 PM (LSHS)
La Serna High School
JV Football @ Northview
3:15 PM
–
5 PM (Northview)
La Serna High School
Varsity Volleyball vs El Rancho
4:30 PM
–
5:30 PM
La Serna High School
Sep
12
Fri
Make up picture day (grades 9-11)
(small gym)
La Serna High School
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 vs Northview
7 PM
–
9 PM
La Serna High School
Sep
13
Sat
Junior Cheer Camp
6 AM
–
6 PM (big gym, small gym, quad, cafeteria)
La Serna High School
Sep
15
Mon
Girls Golf vs Santa Fe
2:30 PM
–
4:30 PM (Los Amigos)
La Serna High School
Senior Portraits (by appointment only)
2:30 PM
–
8:30 PM (cafeteria)
La Serna High School
Varsity Flag Football vs El Rancho
7:30 PM
–
8:30 PM (Sandy T. Stadium)
La Serna High School
Sep
16
Tue
Senior Portraits (by appointment only)
2:30 PM
–
8:30 PM (cafeteria)
La Serna High School
Varsity Tennis at El Rancho
3:15 PM
–
4:15 PM
La Serna High School
Sep
17
Wed
Boys Varsity Water Polo @ El Segundo
La Serna High School
Boys to men luncheon
1 PM
–
1:30 PM (small gym)
La Serna High School
Girls Golf vs El Rancho
1:30 PM
–
3:30 PM (Whittier Narrows)
La Serna High School
Senior Portraits (by appointment only)
2:30 PM
–
8:30 PM (cafeeteria)
La Serna High School
Varsity Tennis vs S. Pasadena
3:15 PM
–
4:15 PM
La Serna High School
Varsity Flag Football @ Santa Fe
4:30 PM
–
5:30 PM
La Serna High School
Sep
18
Thu
Lock down drill
La Serna High School
Senior Portraits (by appointment only)
2:30 PM
–
8:30 PM (cafeteria)
La Serna High School
Frosh Football @ Crean Lutheran
3:15 PM
–
5 PM (Crean Lutheran)
La Serna High School
JV Football vs Crean Lutheran
3:15 PM
–
5 PM (LSHS)
La Serna High School
Varsity Tennis vs Santa Fe
3:15 PM
–
4:15 PM
La Serna High School
Varsity Flag Football @ St Paul
7 PM
–
8 PM
La Serna High School
Sep
19
Fri
Course Alike/CTE/OASIS/Haven/G.S
8 AM
–
9 AM
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria/quad)
La Serna High School
Senior Portraits (by appointment only)
2:30 PM
–
8:30 PM (cafeteria)
La Serna High School
Varsity Football @ Crean Lutheran
7 PM
–
9 PM
La Serna High School
Sep
20
Sat
Zamorano
1 PM
–
4 PM (cafeteria)
La Serna High School
Sep
22
Mon
Varsity Flag Football vs Cal
7:30 PM
–
9 PM (Sandy T. Stadium)
La Serna High School
Sep
23
Tue
Varsity Tennis at Cal High
3:15 PM
–
4:15 PM
La Serna High School
Girls Golf vs Cal Hi
3:30 PM
–
5:30 PM (Friendly Hills)
La Serna High School
Sep
24
Wed
Star Award Distribution
12:30 AM
–
1:30 AM (senior circle)
La Serna High School
Varsity Flag Football @ Whittier HS
4:30 PM
–
5:30 PM
La Serna High School
Sep
25
Thu
PSAT Period by Period
7:30 AM
–
3:45 PM
La Serna High School
JV Football @ Edison
3:15 PM
–
5 PM (Edison)
La Serna High School
Varsity Tennis at Whittier
3:15 PM
–
4:15 PM
La Serna High School
Girls Golf vs WHS
3:30 PM
–
5:30 PM (Whittier Narrows)
La Serna High School
Sep
26
Fri
Extended Late Start
8 AM
–
10 AM
La Serna High School
Football Team Lunch
1:30 PM
–
3 PM (cafeteria)
La Serna High School
Varsity Football vs Edison
7 PM
–
9 PM
La Serna High School
Sep
29
Mon
Girls Golf vs W.C.
3:24 PM
–
5:24 PM (La Mirada G.C.)
La Serna High School
Varsity Flag Football @ Villa Park
7:30 PM
–
9 PM (Fred Kelly Stadium)
La Serna High School
Sep
30
Tue
Varsity Water Polo vs Santa Fe
3:15 PM
–
4:30 PM
La Serna High School
Girls Golf vs SFHS
3:30 PM
–
5:30 PM (Friendly Hills)
La Serna High School
Events in September 2025
Su
Mo
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We
Th
Fr
Sa
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12
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13
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14
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15
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16
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17
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18
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19
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20
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22
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23
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24
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25
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26
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29
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30
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3
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