2020-21 School Calendar
| Monday, August 10 – Wednesday, August 19 | Faculty & Staff Preparation Days |
| Thursday, August 20 | First Day of School! |
| Monday, September 7 | Labor Day - No School |
| Monday, September 28 | Yom Kippur - No School |
| Thursday, October 1 - Friday, October 2 | Parent/Teacher Conferences, K-12 - No classes for students |
| Monday, October 12 | Faculty Inservice Day - No classes for students |
| Tuesday, October 13 | Dr. Shimi Kang, Parent & Teacher Enrichment (7:00pm) |
| Wednesday, October 14 | PSAT/PreACT for Grades 10-11 |
| Friday, November 20 | Last Day of First (Fall) Trimester |
| Monday, November 23 – Friday, November 27 | Thanksgiving Break |
| Monday, November 30 | First Day of Second (Winter) Trimester |
| Monday, December 21 - Friday, January 1 | Winter Break |
| Monday, January 4 | Teacher Work Day |
| Tuesday, January 5 | Classes Resume |
| Monday, January 18 | Martin Luther King Day - No School |
| Thursday, January 28 – Friday, January 29 | Parent/Teacher Conferences, K- 12 - No classes for students |
| Friday, February 12 | 12:30pm Dismissal |
| Monday, February 15 | President’s Day - No School |
| Friday, March 5 | Last Day of Second (Winter) Trimester |
| Monday, March 8 | First Day of Third (Spring) Trimester |
| Monday, March 15 | Faculty Inservice Day - No classes for students |
| Friday, April 2 - Monday, April 12* | Spring Break |
| Monday, April 12* | *Teachers Return/Faculty Inservice Day |
| Tuesday, April 13 | Students Return from Spring Break |
| Thursday, April 22 | Grandfriends Day & Lower School Art Festival |
| Monday, May 3 – Friday, May 14 | AP Exams (Upper School) |
| Monday, May 18 - Friday, May 21 | Late/Make-Up AP Exams (Upper School) |
| Monday, May 31 | Memorial Day - No School |
| Thursday, June 3 | Graduation, 12:00pm Dismissal, Last Day of School |
| Friday, June 4 | Teacher Work Day |