| ☞ School Year 2020 |
| Date | Calendar |
|---|
| Jan 2 | December 2019 ACT Score Release |
| Jan 10 | February 2020 ACT Registration Deadline |
| Jan 17 | February 2020 ACT Late Registration Deadline |
| Jan 20 | Martin Luther King, Jr.'s Birthday Holiday |
| Jan 24 | End of Second Quarter |
| Jan 27 | Student Holiday/Teacher Workday |
| Jan 28 | Student Holiday/Staff Development Day |
| Feb 8 | February 2020 ACT Test Date |
| Feb 14 | March 2020 SAT Regular Registration Deadline |
| Feb 17 | George Washington's Birthday - Presidents' Day - Student Holiday |
| Feb 18 | February 2020 ACT Score Release |
| Feb. 29 | April 2020 ACT Registration Deadline |
| Mar 3 | Student Holiday (School Planning Day) |
| Mar 3 | March 2020 SAT Test Late Registration Deadline |
| Mar 4 | February 2020 ACT Score Release |
| Mar 14 | March 2020 SAT Test Date |
| Mar 16 | April 2020 ACT Late Registration Deadline |
| Mar 27 | March 2020 SAT Score Release |
| Apr 3 | End of Third Quarter |
| Apr 3 | May 2020 SAT Regular Registration Deadline |
| Apr 4 | April 2020 ACT Test Date |
| Apr 6-10 | Spring Break |
| Apr 13 | Student Holiday/Teacher Workday |
| Apr 14 | April 2020 ACT Score Release |
| Apr 21 | May 2020 SAT Test Late Registration Deadline |
| May 2 | May 2020 SAT Test Date |
| May 8 | June 2020 SAT Registration Deadline |
| May 8 | June 2020 ACT Registration Deadline |
| May 21 | May 2020 SAT Score Release |
| May 25 | Memorial Day Holiday - Student Holiday |
| May 27 | June 2020 SAT Regular Registration Deadline |
| June 6 | June 2020 SAT Test Date |
| June 12 | Last Day of School, Year End (Early Release) |
| Junr 13 | June 2020 ACT Test Date |
| June 14 | July 2020 ACT Registration Deadline |
| June 19 | July 2020 ACT Registration Deadline |
| June 23 | June 2020 ACT Score Release |
| June 27 | June SAT 2020 Score Release |
| ☞ School Year 2020 |
| Date | Calendar |
|---|
| July 14 | July ACT Test Date |
| July 23 | July ACT Score Release |
| July 26 | August SAT Regular Registration Deadline |
| Aug 16 | August SAT Late Registration Deadline |
| Aug 21 | September ACT Late Registration Deadline |
| Aug 24 | August SAT Test Date |
| Aug 25 | FCPS School begins |
| Sep 3 | October SAT Regular Registration Deadline |
| Sep 4 | Student Holiday |
| Sep 7 | Labor Day - Student Holiday |
| Sep 12 | September ACT Test Date |
| Sept 20 | September ACT Score Release |
| Sep 20 | October ACT Registration Deadline |
| Sep 20 | October SAT Late Registration Deadline |
| Sep 22 | August SAT Score Release |
| Oct 3 | October SAT Test Date |
| Oct 4 | October ACT Late Registration Deadline |
| Oct 10 | November SAT Regular Registration Deadline |
| Oct 12 | Student Holiday |
| Oct 14 | Columbus Day Holiday - Student Holiday |
| Oct 22 | October SAT Score Release |
| Oct 24 | October ACT Test Date |
| Oct 29 | November SAT Late Registration Deadline |
| Nov 1 | First Grading Period Ends |
| Nov 3 | October ACT Score Release |
| Nov 2 - 3 | Student Holidays |
| Nov 5 | December SAT Regular Registration Deadline |
| Nov 6 | December ACT Regular Registration Deadline |
| Nov 9 | November SAT Test Date |
| Nov 12 | October ACT Score Release |
| Nov 20 | December ACT Late Registration Deadline |
| Nov 24 | December SAT Late Registration Deadline |
| Nov 24 | October SAT Score Release |
| Nov 25 - 27 | Thanksgiving Break |
| Dec 5 | December SAT Test Date |
| Dec 12 | December ACT Test Date |
| Dec 20 | December SAT Score Release |
| Dec 22 | December ACT Score Release |
| Dec 21 - Jan 3, 2021 | Winter Break |