On the main page of our website you can view the high school schedule and event calendar. These two calendars our the primary calendars for the high school student body.
Additionally, please find information on the ABRHS Grading Calendar, ABRHS Early Release Days, Full Professional Days, the District Calendar, and MCAS Dates.
Students will receive a daily newsletter each morning by 7:00 am that includes the daily schedule.
This year we will have 15
Early Release Days
for Staff Professional Learning. These days will fall on Mondays, and students will be dismissed at 1:15 pm. The dates for these days are:

  • September 18th, 2023
  • October 2nd, 2023
  • October 23rd, 2023
  • November 6th, 2023
  • November 20th, 2023
  • December 4th, 2023
  • December 18th, 2023
  • January 8th, 2024
  • January 29th, 2024
  • February 12th, 2024
  • March 4th, 2024
  • March 18th, 2024
  • April 1st, 2024
  • April 29th, 2024
  • May 20th, 2024

Early Release Day for Thanksgiving Break: November 22nd - Dismissal at 11:15 am
Early Release Day for Winter Break: Friday, December 22nd - Dismissal at 11:15 am Full Day Off for Professional Learning - Thursday, November 9th

Grading and Course Change Dates 

MCAS dates for 2023-2024:




ABRSD District Calendar

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