2023-2024 Hinsdale South High School Calendar
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New Educator Orientation
Tue, August 5, 2025 - Fri, August 8, 2025
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Institute Days
Mon, August 11, 2025 - Tue, August 12, 2025
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School Year Begins
Wed, August 13, 2025
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Curriculum Night
Thu, August 28, 2025
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Holidays - Staff and Student Non-Attendance
Mon, September 1, 2025
Labor Day
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ALICE Training for Staff
Fri, October 3, 2025
Dismissal at 12:30 pm
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District Improvement Days
Wed, October 15, 2025
Dismissal at 12:50 pm
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Fall Conferences
Sun, October 26, 2025
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Thanksgiving Break
Wed, November 26, 2025 - Fri, November 28, 2025
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1st Semester Final Exams
Thu, December 18, 2025 - Sat, December 20, 2025
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Winter Break
Mon, December 22, 2025 - Fri, January 2, 2026
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Spring Conferences
Thu, February 26, 2026
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Early Dismissal
Fri, March 27, 2026
Dismissal at 12:35 pm
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Spring Break
Mon, March 30, 2026 - Thu, April 2, 2026
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AP Exams
Mon, May 4, 2026 - Fri, May 15, 2026
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2nd Semester Final Exams
Wed, May 20, 2026 - Fri, May 22, 2026
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Memorial Day
Tue, May 26, 2026
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School Year Ends
Mon, June 1, 2026
If emergency days are not used