Herndon HighSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Herndon High.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAR
30
Spring Break
MAR
20
Eid al-Fitr
MAR
20
Nowruz
MAR
27
End of Third Quarter - 2-hour Early Release
APR
1
First Evening of Passover
APR
2
Second Evening of Passover
APR
3
Good Friday
APR
5
Easter
APR
6
Student Holiday (Teacher Workday for Staff)
APR
10
Orthodox Good Friday (Student Holiday, School Planning Day for Staff)
APR
12
Orthodox Easter
APR
16
Theravada New Year
MAY
25
Memorial Day
MAY
26
Student Holiday (Teacher Workday for Staff)
MAY
27
Eid al-Adha
JUN
1
Spring Sports Awards Night
JUN
11
Annual Nesty Awards Ceremony for all Varsity Athletes
JUN
17
Last Day of School / Early Release
JUN
18
Teacher Workday for Staff
JUN
19
Juneteenth
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!