Loudoun County School Calendar 2025. The proposed calendars for both school years for loudoun county public schools include 180 scheduled days for students and details student holidays, holidays, breaks and options for. (emily leayman/patch) ashburn, va — summer is almost over for loudoun county students.

21 and ending wednesday, june 16. Click below for important resources and faqs about everything you need to know for the start of the school year.