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School Calendar
(Please Check Messages on Brightwheel for Last-Minute Updates)
Important Dates
August 27, 2025
September 3, 2025
Horizon School Calendar
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The Horizon School calendar for 2025–2026 will be posted in early August with key dates and events.
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Horizon follows Shoreline School District’s schedule for Winter, Mid-Winter, and Spring Break.
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2025 - 2026 Horizon School Calendar
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