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
APR
6-10
Student & Staff Holidays (Spring Break)
MAY
4-8
High School Online Learning Only
MAY
18-21
High School Early Release (9-12 Final Exams)
MAR
21
LASSO (Saturday Remedial Session)
MAR
28
LASSO (Saturday Remedial Session)
APR
18
LASSO (Saturday Remedial Session)
APR
25
LASSO (Saturday Remedial Session)
MAY
2
LASSO (Saturday Remedial Session)
MAY
4
AP Exams: Biology, Latin (8 AM) / European History, Microeconomics (12 PM)
MAY
5
AP Exams: Chemistry, Human Geography (8 AM) / US Government and Politics (12 PM)
MAY
6
AP Exams: English Literature (8 AM) / Comparative Government, Physics 1 (12 PM)
MAY
7
AP Exams: Physics 2, World History (8 AM) / African American Studies, Statistics (12 PM)
MAY
7
Senior Baccalaureate Service
MAY
8
AP Exams: Italian Language, US History (8 AM) / Chinese Language, Macroeconomics (12 PM)
MAY
8
Prom
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!