Issaquah High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Issaquah High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
APR
7
Third Quarter Ends
APR
7
Grade book opens for Quarter 3 grading
APR
9
School Board Meeting
APR
13
No School
Spring Break - No School
APR
14
No School
Spring Break - No School
APR
15
No School
Spring Break - No School
APR
16
No School
Spring Break - No School
APR
17
No School
Spring Break - No School
APR
21
Grade book closes for Quarter 3 grading
MAY
2026
AP Exams (First two full weeks)
MAY
5
Grade book opens for Midterm 4 grading
MAY
12
Grade book closes for Midterm 4 grading
MAY
25
No School
No School – Memorial Day
JUN
10
Grade book opens for Semester 2 grading
JUN
16
Last day of school
JUN
17
Second Semester Ends
JUN
17
Grade book closes for Semester 2 final grading
JUN
18
Potential additional inclement weather make-up day
JUN
19
No School
No School – 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!