Greenhill School | Upcoming Events | Date & Time |
| Admissions Testing | Sat 02/07/2026 (All Day) |
| Communication of Grades to Parents | Mon 02/09/2026 (All Day) |
| Upper School Recess | Fri 02/13/2026 (All Day) |
| Valentine's Day | Sat 02/14/2026 (All Day) |
| Faculty/Staff In-service | Mon 02/16/2026 (All Day) |
| No Classes | Mon 02/16/2026 (All Day) |
| President's Day | Mon 02/16/2026 (All Day) |
| Ash Wednesday | Wed 02/18/2026 (All Day) |
| BraveART | Fri 02/27/2026 (All Day) |
| Middle School Recess | Fri 02/27/2026 (All Day) |
| Summer Enrollment Begins | Sun 03/01/2026 (All Day) |
| Daylight Saving Time Begins | Sun 03/08/2026 (All Day) |
| End of Quarter | Fri 03/13/2026 (All Day) |
| Noon Dismissal | Fri 03/13/2026 (All Day) |
| Spring Break | Mon 03/16/2026 (All Day) to Fri 03/20/2026 (All Day) |
| Classes Resume | Mon 03/23/2026 (All Day) |
| Palm Sunday | Sun 03/29/2026 (All Day) |
| Noon Dismissal | Wed 04/01/2026 (All Day) |
| Easter Break | Thu 04/02/2026 (All Day) to Mon 04/06/2026 (All Day) |
| Easter | Sun 04/05/2026 (All Day) |
| Easter Monday | Mon 04/06/2026 (All Day) |
| Classes Resume | Tue 04/07/2026 (All Day) |
| ISAS Arts Festival at St. Mark's | Thu 04/09/2026 (All Day) |
| ISAS Arts Festival at St. Mark's | Fri 04/10/2026 (All Day) |
| ISAS Arts Festival at St. Mark's | Sat 04/11/2026 (All Day) |
| Communication of Grades to Senior Parents | Mon 04/20/2026 (All Day) |
| Prom | Sat 04/25/2026 (All Day) |
| Communication of Grades to Parents | Mon 04/27/2026 (All Day) |
| Upper School Recess | Fri 05/01/2026 (All Day) |
| AP Exams | Mon 05/04/2026 (All Day) to Fri 05/08/2026 (All Day) |
| Faculty In-service | Mon 05/04/2026 (All Day) |
| No Classes | Mon 05/04/2026 (All Day) |
| AP Exams | Mon 05/11/2026 (All Day) to Fri 05/15/2026 (All Day) |
| Ascension of Jesus | Thu 05/14/2026 (All Day) |
| Noon Dismissal | Thu 05/21/2026 (All Day) |
| Final Exams | Fri 05/22/2026 (All Day) |
| Noon Dismissal | Fri 05/22/2026 (All Day) |
| Pentecost | Sun 05/24/2026 (All Day) |
| Memorial Day | Mon 05/25/2026 (All Day) |
| No Classes | Mon 05/25/2026 (All Day) |
| Final Exams | Tue 05/26/2026 (All Day) |
| Final Exams | Wed 05/27/2026 (All Day) |
| Grading Day | Thu 05/28/2026 (All Day) |
| No Classes | Thu 05/28/2026 (All Day) |
| Closing Ceremonies | Fri 05/29/2026 (All Day) |
| Noon Dismissal | Fri 05/29/2026 (All Day) |
| Summer Programs Begin | Mon 06/08/2026 (All Day) |
| Summer Programs End | Fri 07/03/2026 (All Day) |
| Independence Day | Sat 07/04/2026 (All Day) |
| School Offices Closed | Mon 07/20/2026 (All Day) to Fri 07/24/2026 (All Day) |
| School Offices Closed | Sun 07/26/2026 (All Day) to Fri 07/31/2026 (All Day) |
Tandem
