St. Charles High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for St. Charles High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
7
Two-hour early dismissal for students (teacher planning 9/interim prep)
MAY
11
Interims posted
MAY
15
Last day of school for seniors
MAY
18
Two-hour early dismissal for students (teacher planning 10/senior report card prep)
MAY
25
No School
Memorial Day, schools and offices closed
MAY
26
Eid al-Adha
JUN
15
Two-hour early dismissal for students (report card prep)
JUN
16
Two-hour early dismissal, last day for students (report card prep)
JUN
17
Last day for teachers/Last built-in inclement weather make-up day
JUN
19
No School
Juneteenth, schools and offices closed
JUN
22
Report cards posted (subject to change)
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!