Syosset Central School District
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Sunday September 20 All Day
Yom Kippur begins at sundown
Source: Syosset CSD 2026-2027 Calendar.
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Monday September 21 All Day
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Monday September 21 All Day
Yom Kippur
District closed. Source: Syosset CSD 2026-2027 Calendar.
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Tuesday September 22 All Day
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Tuesday September 22 All Day
W/Day 2
School day 14 of 179. Secondary schools operate on a two-day ro
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Tuesday September 22 through September 23
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Tuesday September 22 All Day
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Tuesday September 22 8:00am - 12:30pm EDT
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Tuesday September 22 6:30pm - Wednesday September 23 12:00am EDT
Middle School Open Houses
Source: Syosset CSD 2026-2027 Calendar.
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Wednesday September 23 All Day
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Wednesday September 23 All Day
R/Day 3
School day 15 of 179. Secondary schools operate on a two-day ro
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Wednesday September 23 All Day
WW picture day
Source: Syosset CSD 2026-2027 Calendar.
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Wednesday September 23 All Day Weekly
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Wednesday September 23 8:30am - 1:05pm EDT Weekly
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Wednesday September 23 7:45pm - Thursday September 24 12:45am EDT
SEPTA Meeting at Village
Source: Syosset CSD 2026-2027 Calendar.
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Wednesday September 23 7:45pm - Thursday September 24 12:45am EDT
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Thursday September 24 All Day
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Thursday September 24 All Day
W/Day 4
School day 16 of 179. Secondary schools operate on a two-day ro
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Thursday September 24 All Day
RL picture day
Source: Syosset CSD 2026-2027 Calendar.
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Thursday September 24 through September 25
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Thursday September 24 9:30am - 2:30pm EDT
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Thursday September 24 10:30am - 3:30pm EDT
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Thursday September 24 7:00pm - Friday September 25 12:00am EDT
SHS Gr. 9 parent workshop
Source: Syosset CSD 2026-2027 Calendar.
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Friday September 25 All Day
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Friday September 25 All Day
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Friday September 25 All Day
R/Day 5
School day 17 of 179. Secondary schools operate on a two-day ro
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Friday September 25 All Day
Sukkot begins at sundown
Source: Syosset CSD 2026-2027 Calendar.
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Friday September 25 6:30pm - Saturday September 26 12:30am EDT
Varsity Football vs. Calhoun at SHS
Source: Syosset CSD 2026-2027 Calendar.
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Saturday September 26 All Day
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Monday September 28 All Day
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Monday September 28 All Day
W/Day 6
School day 18 of 179. Secondary schools operate on a two-day ro
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Monday September 28 All Day
Continuing Ed classes begin
Source: Syosset CSD 2026-2027 Calendar.
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Monday September 28 5:00pm - 10:00pm EDT
STA/PTA Liaison Meeting
Source: Syosset CSD 2026-2027 Calendar.
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Tuesday September 29 All Day
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Tuesday September 29 All Day
R/Day 1
School day 19 of 179. Secondary schools operate on a two-day ro
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Tuesday September 29 through September 30
SHS underclass & faculty yearbook photos
Multi-day event (shown with a span arrow on the printed calenda
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Wednesday September 30 All Day
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Wednesday September 30 All Day
W/Day 2
School day 20 of 179. Secondary schools operate on a two-day ro
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Wednesday September 30 All Day Weekly
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Wednesday September 30 8:30am - 1:05pm EDT Weekly
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Wednesday September 30 7:45pm - Thursday October 1 12:45am EDT
PTA Council Executive Meeting at Baylis
Source: Syosset CSD 2026-2027 Calendar.