Herndon High | Upcoming Events | Date & Time |
| Fall Sport Physical & Registration Due (Required for try-outs) | Thu 07/30/2026 11:30 am - 12:00 pm |
| Virginia’s Sales Tax Holiday | Fri 08/07/2026 (All Day) |
| Virginia’s Sales Tax Holiday | Sat 08/08/2026 (All Day) |
| Virginia’s Sales Tax Holiday | Sun 08/09/2026 (All Day) |
| Math Summer Boot Camp | Mon 08/10/2026 8:00 am - 11:00 am |
| Math Summer Boot Camp | Tue 08/11/2026 8:00 am - 11:00 am |
| Math Summer Boot Camp | Wed 08/12/2026 8:00 am - 11:00 am |
| Math Summer Boot Camp | Thu 08/13/2026 8:00 am - 11:00 am |
| First Day for Teachers | Fri 08/14/2026 (All Day) |
| Hornet Fest | Tue 08/18/2026 5:00 pm - 6:30 pm |
| Freshman & New Student Parent Meeting | Tue 08/18/2026 6:30 pm - 7:30 pm |
| Student Schedules Available | Thu 08/20/2026 6:00 am - 7:00 am |
| Senior Portraits | Thu 08/20/2026 9:30 am - 2:00 pm |
| Freshmen and New Student Orientation | Fri 08/21/2026 9:00 am - 11:15 am |
| Senior Portraits | Fri 08/21/2026 9:30 am - 2:00 pm |
| SAT School Day and PSAT/NMSQT 2026 | Wed 10/07/2026 (All Day) |
Tandem
