Lambert High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Lambert High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
18-21
High School Early Release (9-12 Final Exams)
MAY
9
LASSO (Saturday Remedial Session)
MAY
11
AP Exams: Calculus AB, Calculus BC (8 AM) / Music Theory, Seminar (12 PM)
MAY
12
AP Exams: French Language, Precalculus (8 AM) / Japanese Language, Psychology (12 PM)
MAY
13
AP Exams: English Language, German Language (8 AM) / Physics C Mechanics, Spanish Literature (12 PM)
MAY
14
AP Exams: Art History, Spanish Language (8 AM) / Computer Science Principles, Physics C E&M (12 PM)
MAY
15
AP Exams: Environmental Science (8 AM) / Computer Science A (12 PM)
MAY
19
Lambert High School Graduation Ceremony
MAY
22
K-12 Early Release / Last Day of School
MAY
25
Staff Holiday (Memorial Day)
MAY
26
Post Planning
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!