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Seneca High School

Seneca High School Calendar

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December 2025
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, November 30
Monday, December 1
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Tuesday, December 2
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Wednesday, December 3
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
8th Grade Parent Night/PLTW and Special Ed Information Night
-
Auditorium
Thursday, December 4
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
STEM Night
-
Auditorium
Friday, December 5
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Saturday, December 6
Sunday, December 7
Monday, December 8
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Tuesday, December 9
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Wednesday, December 10
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Thursday, December 11
NHS Induction
All Day
Auditorium
NHS Induction
All Day
Auditorium
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Friday, December 12
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Saturday, December 13
ACT Testing
-
Sunday, December 14
Monday, December 15
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Tuesday, December 16
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Winter Concert
-
Auditorium
Wednesday, December 17
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Day 1 (AM: 1,2,3 - PM: 5,6,7)
All Day
Thursday, December 18
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Day 2 (AM: 2,3,4 - PM: 6,7,8)
All Day
Friday, December 19
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Day 3 (AM: 3,4,1 - PM: 7,8,5)
All Day
Saturday, December 20
Sunday, December 21
Monday, December 22
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Day 4 (AM: 4,1,2 - PM: 8,5,6)
All Day
Tuesday, December 23
Single Session Day for Students & Staff
All Day
Single Session Day for Students & Staff
All Day
Day 1 (1,2,3,5,6,7)
All Day
Day 1 (1,2,3,5,6,7)
All Day
Single Session Day
-
Wednesday, December 24
Winter Break
All Day
Winter Break
All Day
Schools Closed
All Day
Schools Closed
All Day
Thursday, December 25
Winter Break
All Day
Schools Closed
All Day
Friday, December 26
Winter Break
All Day
Schools Closed
All Day
Saturday, December 27
Winter Break
All Day
Schools Closed
All Day
Sunday, December 28
Winter Break
All Day
Winter Break
All Day
Schools Closed
All Day
Schools Closed
All Day
Monday, December 29
Winter Break
All Day
Schools Closed
All Day
Tuesday, December 30
Winter Break
All Day
Schools Closed
All Day
Wednesday, December 31
Winter Break
All Day
Schools Closed
All Day
Thursday, January 1
Winter Break
All Day
Schools Closed
All Day
Friday, January 2
Winter Break
All Day
Schools Closed
All Day
Saturday, January 3
Winter Break
All Day
Schools Closed
All Day

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