2023-2024 Channel Islands High School Calendar
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Professional Development
Mon, August 12, 2024
Development for staff
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Teacher Prep Day
Tue, August 13, 2024
Preparation day for teachers
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1st Day of School Fall Semester/1st Quarter
Wed, August 14, 2024
First day of the Fall semester/1st Quarter
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First Day of School Trimester One
Wed, August 14, 2024
First day of the school trimester
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Labor Day Holiday
Mon, September 2, 2024
Holiday
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Event G
Mon, September 2, 2024
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End 1st Quarter
Fri, October 11, 2024
Last day of the 1st Quarter
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Professional Development
Mon, October 14, 2024
Development for staff
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Event H
Mon, October 14, 2024
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Begin 2nd Quarter
Tue, October 15, 2024
First day of the 2nd Quarter
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End Trimester One/61 Days
Fri, November 8, 2024
End of the school trimester
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Veterans Day Holiday
Mon, November 11, 2024
Holiday
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Event I
Mon, November 11, 2024
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Thanksgiving Break
Mon, November 25, 2024 - Fri, November 29, 2024
Holiday break
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Event J
Thu, November 28, 2024
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End Fall Semester/2nd Quarter
Fri, December 20, 2024
Last day of Fall semester/2nd Quarter
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Winter Holiday
Mon, December 23, 2024 - Fri, January 3, 2025
Holiday break
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Winter Break
Mon, December 23, 2024 - Fri, January 3, 2025
Winter holiday break
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Event K
Wed, December 25, 2024
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Event L
Wed, January 1, 2025
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Teacher Prep Day
Mon, January 6, 2025
Preparation day for teachers
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Begin Spring Semester/3rd Quarter
Tue, January 7, 2025
First day of the Spring semester/3rd Quarter
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Martin Luther King Jr. Day Holiday
Mon, January 20, 2025
Holiday
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Event M
Mon, January 20, 2025
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February Break Week
Mon, February 17, 2025 - Fri, February 21, 2025
Break week
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President's Day Holidays
Mon, February 17, 2025 - Tue, February 18, 2025
Holiday
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Event C
Mon, February 17, 2025
President's Day
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End Trimester Two/58 days
Fri, February 28, 2025
End of the school trimester
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Teacher Prep Day
Mon, March 3, 2025
Preparation for Teachers
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Begin Trimester Three
Tue, March 4, 2025
Start of the school trimester
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End 3rd Quarter
Fri, March 21, 2025
Last day of the 3rd Quarter
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Start 4th Quarter
Mon, March 24, 2025
First day of the 4th Quarter
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Spring Break
Mon, April 14, 2025 - Fri, April 18, 2025
Break week
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Spring Holiday
Fri, April 18, 2025
Holiday
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Memorial Day Holiday
Mon, May 26, 2025
Holiday
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Event N
Mon, May 26, 2025
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End Spring Semester/4th Quarter
Wed, June 4, 2025
Last day of Spring semester/4th Quarter
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End Trimester Three/61 Days
Wed, June 4, 2025
End of the school trimester
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Juneteenth Holiday
Thu, June 19, 2025
Holiday
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Event F
Fri, July 4, 2025
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Event O
Mon, September 1, 2025
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Long Event P
Wed, October 1, 2025 - Fri, October 31, 2025