LYONS TOWNSHIP HIGH SCHOOL Calendar (2025-2026)
Calendar by educounty.net
| Date | Event |
|---|---|
| August 18, 2025 | First Day of School |
| August 13, 2025 | District Institute Day |
| August 14, 2025 | Teacher Work Day |
| September 1, 2025 | Labor Day |
| October 10, 2025 | District Institute Day |
| October 13, 2025 | Columbus/Indigenous Peoples Day |
| October 24, 2025 | Non-Attendance Day |
| November 26, 2025 | Non-Attendance Day |
| November 27-28, 2025 | Thanksgiving Holiday |
| Dec.22-Jan. 2, 2025 | Winter Break |
| January 5, 2026 | Teacher Work Day |
| January 19, 2026 | M.L. King, Jr. Day |
| February 16, 2026 | Presidents' Day |
| February 27, 2026 | District Institute Day |
| March 20, 2026 | District Institute Day |
| March 30-April 3, 2026 | Spring Break |
| April 6, 2026 | Non-attendance Day |
| May 29, 2026 | Last Day of School |
| May 25, 2026 | Memorial Day |
| June 19, 2026 | Juneteenth |
| July 3, 2026 | Independence Day (Observed) |
| September 24, 2025 | School Improvement Days |
| November 19, 2025 | School Improvement Days |
| January 28, 2026 | School Improvement Days |
| March 11, 2026 | School Improvement Days |
| October 22, 2025 | Parent-Teacher Conference Days |
| October 23, 2025 | Parent-Teacher Conference Days |
| October 17, 2025 | Q1 1st quarter |
| December 19, 2025 | S1 2nd quarter & End of 1st semester |
| March 13, 2026 | Q3 3rd quarter |
| May 29, 2026 | Ω 4th quarter & End of 2nd semester |
| August 6, 7, 11, 2025 | Book Pick-up Days |
| August 15, 2025 | Frosh Experience Day |
| September 4, 2025 | S. C. Open House |
| September 11, 2025 | N. C. Open House |
| September 15-20, 2025 | Homecoming Week |
| December 17-19, 2025 | 1st semester Finals |
| April TBA | ACT |
| April TBA | Pre-ACT |
| May 27-29, 2026 | 2nd semester Finals |
| June 1-5, 2026 | Emergency Days |
| June 8-26, 2026 | Summer School Sem. 1 |
| June 29-July17 | Summer School Sem. 2 |
| May 27, 2026 | COMMENCEMENT |
LYONS TOWNSHIP HIGH SCHOOL District Schools Calendar 2025-2026
When is the first day of school in LYONS TOWNSHIP HIGH SCHOOL?
The first day of school is August 18, 2025.
When is Spring Break in LYONS TOWNSHIP HIGH SCHOOL?
Spring Break is from March 30 to April 3, 2026.
When is Winter Break in LYONS TOWNSHIP HIGH SCHOOL?
Winter Break is from December 22, 2025, to January 2, 2026.
When is Thanksgiving break in LYONS TOWNSHIP HIGH SCHOOL?
Thanksgiving holiday is on November 27-28, 2025.
When is the last day of school in LYONS TOWNSHIP HIGH SCHOOL?
The last day of school is May 29, 2026.
When is Labor Day?
Labor Day is on September 1, 2025.
When is Memorial Day?
Memorial Day is on May 25, 2026.
When are the 2nd semester finals?
The 2nd semester finals are from May 27-29, 2026.
Calendar Disclaimer
The school calendar provided on this page is taken from the official LTHS calendar 25-26 website. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.