2018 – 2019
Date |
Note |
| Sep. 4 & 5 – Tue. & Wed. | Classes begin |
| Sep. 10 – Mon. | No School – MCPS Holiday |
| Sep. 19 – Wed. | No School – MCPS Holiday |
| Sep. 24 & 25 – Mon. & Tue. | Nursery Closed – Apple Orchard Field Trips |
| Oct. 30 & 31 – Tue. & Wed. | Halloween Parties |
| Nov. 6 – Tue. | No School – MCPS Holiday |
| Nov. 22 & 23 – Thu. & Fri. | No School – Thanksgiving Holiday |
| Dec. 24, 2018 – Jan 1, 2019 | No School – Winter Break (classes resume Jan 2) |
| Jan. 21 – Mon. | No School – MCPS Holiday |
| Jan. 26 – Sat. | Registration – Current Families |
| Jan. 28 – Mon. | No School – MCPS Holiday |
| Feb. 2 – Sat. | Registration – Alumni Families |
| Feb. 4 – 7 – Mon. – Thu. | Open House |
| Feb. 9 – Sat. | Registration – New Families |
| Feb. 18 – Mon. | No School – MCPS Holiday |
| Apr. 17 – 22 – Wed. – Mon. | No School – Spring Break (classes resume Apr. 23) |
| May 20 – Mon. | Potluck/Silent Auction |
| May 27 – Mon. | No School – MCPS Holiday |
| June 5 – Wed.* | Last Day – MWP, 3DM, Tigers |
| June 6 – Thu. | Last Day – TTP, 2DM, Lions |
| June 7 – Fri. | School Picnic |
AHCNS follows the MCPS snow cancellation policy. Should MCPS cancel school due to inclement weather, AHCNS will also be closed. Should MCPS declare a 2-hour delayed opening, then AHCNS will open 1 hour late.
* – Originally scheduled as an MCPS professional day, has been added to the instructional calendar as a snow make-up day.