Chantilly High | Upcoming Events | Date & Time |
| Holiday (Memorial Day) | Mon 05/25/2026 (All Day) |
| Student Holiday (Teacher Workday) | Tue 05/26/2026 (All Day) |
| Baseball: Varsity at TBD | Tue 05/26/2026 3:00 pm - TBD |
| Holiday (Eid Al-Adha) | Wed 05/27/2026 (All Day) |
| Outdoor Track: Boys Varsity at TBD | Thu 05/28/2026 12:00 am - 11:59 pm |
| Outdoor Track: Girls Varsity at TBD | Thu 05/28/2026 12:00 am - 11:59 pm |
| SENIOR LAPTOP COLLECTION | Thu 05/28/2026 8:00 am - 1:00 pm |
| Math SOL Retake | Thu 05/28/2026 8:10 am - 11:15 am |
| Senior BBQ | Thu 05/28/2026 6:30 pm - 8:30 pm |
| Lacrosse: Boys Varsity at TBD | Fri 05/29/2026 12:00 am - 11:59 pm |
| Lacrosse: Girls Varsity at TBD | Fri 05/29/2026 12:00 am - 11:59 pm |
| Outdoor Track: Boys Varsity at TBD | Fri 05/29/2026 12:00 am - 11:59 pm |
| Outdoor Track: Girls Varsity at TBD | Fri 05/29/2026 12:00 am - 11:59 pm |
| Science SOL Retake | Fri 05/29/2026 8:10 am - 11:15 am |
| Baseball: Varsity at TBD | Fri 05/29/2026 6:30 pm - TBD |
| Lacrosse: Boys Varsity at TBD | Tue 06/02/2026 12:00 am - 11:59 pm |
| Lacrosse: Girls Varsity at TBD | Tue 06/02/2026 12:00 am - 11:59 pm |
| Graduation Rehearsal | Tue 06/02/2026 7:00 am - 9:00 am |
| Senior Breakfast | Tue 06/02/2026 9:30 am - 10:30 am |
| Baseball: Varsity at TBD | Wed 06/03/2026 6:30 pm - TBD |
| Graduation | Wed 06/03/2026 7:00 pm - 9:00 pm |
| DMV Learners Permit Test | Thu 06/04/2026 3:05 pm - 4:05 pm |
| Drama Awawrds | Thu 06/04/2026 7:00 pm - 8:00 pm |
| Lacrosse: Girls Varsity at TBD | Fri 06/05/2026 12:00 am - 11:59 pm |
| Outdoor Track: Boys Varsity at TBD | Fri 06/05/2026 12:00 am - 11:59 pm |
| Outdoor Track: Girls Varsity at TBD | Fri 06/05/2026 12:00 am - 11:59 pm |
| Outdoor Track: Boys Varsity at TBD | Sat 06/06/2026 12:00 am - 11:59 pm |
| Outdoor Track: Girls Varsity at TBD | Sat 06/06/2026 12:00 am - 11:59 pm |
| Lacrosse: Girls Varsity at TBD | Tue 06/09/2026 12:00 am - 11:59 pm |
| Lacrosse: Girls Varsity at TBD | Sat 06/13/2026 12:00 am - 11:59 pm |
| UNDERCLASSMEN LAPTOP COLLECTION | Mon 06/15/2026 8:00 am - 12:00 pm |
| UNDERCLASSMEN LAPTOP COLLECTION | Tue 06/16/2026 8:00 am - 12:00 pm |
| Last Day of School (Early Release) | Wed 06/17/2026 (All Day) |
| UNDERCLASSMEN LAPTOP COLLECTION | Wed 06/17/2026 8:00 am - 11:00 am |
| Class of 2027 Senior Portraits | Wed 06/24/2026 (All Day) |
| Class of 2027 Senior Portraits | Thu 06/25/2026 (All Day) |
| Class of 2027 Senior Portraits | Wed 07/29/2026 (All Day) |
| Class of 2027 Senior Portraits | Thu 07/30/2026 (All Day) |
| Class of 2027 Senior Portraits | Fri 07/31/2026 (All Day) |
| Class of 2027 Senior Portraits | Mon 08/03/2026 (All Day) |
| Class of 2027 Senior Portraits | Thu 08/06/2026 (All Day) |
| Labor Day | Mon 09/07/2026 (All Day) |
| Columbus Day | Mon 10/12/2026 (All Day) |
| Class of 2027 Senior Portraits | Tue 10/13/2026 (All Day) |
| Class of 2027 Senior Portraits | Wed 10/14/2026 (All Day) |
| Class of 2027 Senior Portraits | Thu 10/15/2026 (All Day) |
| Halloween | Sat 10/31/2026 (All Day) |
| Daylight Saving Time Ends | Sun 11/01/2026 (All Day) |
| Veterans Day | Wed 11/11/2026 (All Day) |
| Class of 2027 Senior Portraits | Fri 11/20/2026 (All Day) |
| Class of 2027 Senior Portraits | Mon 11/23/2026 (All Day) |
| Class of 2027 Senior Portraits | Tue 11/24/2026 (All Day) |
| Thanksgiving | Thu 11/26/2026 (All Day) |
| Christmas Day | Fri 12/25/2026 (All Day) |
| New Year's Day | Fri 01/01/2027 (All Day) |
| Martin Luther King Day | Mon 01/18/2027 (All Day) |
| Valentine's Day | Sun 02/14/2027 (All Day) |
| Presidents' Day | Mon 02/15/2027 (All Day) |
| Daylight Saving Time Begins | Sun 03/14/2027 (All Day) |
| St. Patrick's Day | Wed 03/17/2027 (All Day) |
| Easter | Sun 03/28/2027 (All Day) |
| Cinco De Mayo | Wed 05/05/2027 (All Day) |
| Memorial Day | Mon 05/31/2027 (All Day) |
| Independence Day | Sun 07/04/2027 (All Day) |
Tandem
