School Closings and Delays Today (September 17, 2025)

Here is the detailed list of school closings and delays in the USA for September 17, 2025:

School / District	Location	Status (Closed / Delay)	Reason / Notes
Uvalde Consolidated Independent School District	Texas	Closed (for the week including September 17)	Because of a ransomware attack disrupting its systems.
Darien High School	Darien, Connecticut	Closed (High School only)	Triggered by an online gun-related threat, later determined not credible.
Northampton County Public Schools	(No state specified)	2-hour delay	Due to weather and road conditions.
South Lyon Community Schools	Michigan	Closed (for third day, including Sept 17)	Due to a cyber-security incident.

Northampton County Public Schools will operate on a 2-hour delay due to weather and road conditions. Breakfast will not be served, and staff and students should adjust accordingly. All classes and after-school activities will continue as scheduled.
Hillsdale Local Schools in Ohio will have a district-wide 2-hour delay for teacher professional development. School start is at 10:00 AM with bus service running at regular times and supervision provided for early arrivals.
Oyster River Cooperative School District (New Hampshire): The school board had a meeting scheduled for this date. This was an administrative event and did not affect student attendance.

For the most current information on school closings or delays in specific areas, it’s advisable to check local news outlets or official school district communications.

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