MCPS has a few important dates to remember for its traditional calendar (all schools except Arcola ES). The dates for Winter/Spring 2025 can be seen below:
| 2025 | |
| January 1 | New Year’s Day-Schools and offices closed |
| January 20 | Dr. Martin Luther King, Jr. Day and Inauguration Day-Schools and offices closed |
| January 29* | Grading and Planning for the end of term; no school for students |
| February 17 | Presidents’ Day-Schools and offices closed |
| February 28 | Early release day for students |
| March 31* | Grading and Planning for the end of term; no school for students |
| April 14, 15, 16, 17, 18 and 21 | Spring Break—No school for students and teachers |
| April 16 and 17 | Systemwide Closures-Schools and offices closed |
| April 18 and 21 | Holidays-Schools and offices closed |
| May 26 | Memorial Day-Schools and offices closed |
| June 6* | Professional day for all staff; no school for students |
| June 13 | Last day of school for students; early release day for students |
| June 16* | Grading and Planning for the end of term |
| June 19 | Systemwide Closure-Schools and offices closed |
*If the school year is disrupted by emergencies and schools are closed three or more days, dates identified as possible make-up instructional days include: October 18 and November 4, 2024; January 29, March 31, June 6, June 16, June 17, June 18, June 20 and June 23, 2025.
+This list of dates does not apply to Arcola Elementary School, which will follow the 2024-2025 Innovative School Year Calendar.