Back To School: Lemont High School 2025-26 School Year Calendar

LEMONT, IL — It may still be July, but the start of school is just a few weeks away for Lemont High School students.

The first day of school for all Lemont High School students will be Aug. 11. If you're trying to plan out the rest of the school year, here are some other important dates to know:

• Aug. 8, first day of school for freshmen/transfer students
• Aug. 11, first day of school for all students
• Aug. 29, early release
• Sept. 1, Labor Day, no school
• Oct. 2, early release, school improvement day
• Oct. 8, student testing, no school for seniors
• Oct. 13, No school
• Oct. 31, institute day, no school
• Nov. 11, Veterans Day, no school
• Nov. 18, early release, school improvement day
• Nov. 24-28, Thanksgiving break, no school
• Dec. 18, early release
• Dec. 19, early release, winter break begins at end of day
• Jan. 5, no school, teacher institute day
• Jan. 6, classes resume after winter break
• Jan. 19, Martin Luther King's Birthday, no school
• Feb. 5, early release, school improvement day
• Feb. 13, early release
• Feb. 16, President's Day, no school
• March 12, early release, school improvement day
• March 17, elearning day, Election Day
• March 27, early release, school improvement day
• March 30-April 6, spring break, no school
• April 7, classes resume after spring break
• April 14, student testing, no school for seniors
• April 17, institute day, no school
• April 28, early release
• May 14, last day of school for seniors
• May 15, graduation
• May 21, early release
• May 22, early release and tentative last day of school