International High School @ Langley ParkSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for International High School @ Langley Park.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
8
Last Day for High School Seniors
Last Day for High School SeniorsMAY
25
No School
Memorial Day
Schools and Offices ClosedMAY
27
No School
Eid al-Adha
Schools and Offices Closed / Potential inclement weather make-up dayJUN
12
Last Day for Students
Last Day for Students and End of Fourth Quarter - Early DismissalJUN
15
Potential Inclement Weather Make-up Days
Potential Inclement weather make-up daysJUN
16
Last Day for Teachers
Last Day for TeachersJUN
19
No School
Juneteenth
Schools and Offices ClosedPartner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!