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Joliet Township High School District 204 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 1 teacher day

The Joliet Township High School District 204 2026–27 school year runs from Aug 19, 2026 to Dec 18, 2026. Breaks include Thanksgiving break Nov 25-27 and spring break Mar 29-31. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 19, 2026 First Day of Classes - 1st Semester
School year ends Fri, May 28, 2027 Last Day of School for 2nd Semester
Next key date Wed, Aug 19, 2026 Counts down once the school year is under way

Joliet Township High School District 204 2026-27 calendar

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Joliet Township High School District 204 school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Graduation
  • Weather make-up day
  • Other scheduled date

August 2026

  • Aug 17, 2026 — Full Day Institute - No Classes
  • Aug 18, 2026 — Full Day Institute - No Classes
  • Aug 19, 2026 — First Day of Classes - 1st Semester
  • Aug 26, 2026 — Joliet Central Open House 6:00 p.m. – 8:00 p.m. – Early Dismissal 1:15 p.m.
  • Aug 26, 2026 — Joliet West Open House 6:00 p.m. – 8:00 p.m. – Early Dismissal 1:15 p.m.

September 2026

  • Sep 7, 2026 — Labor Day Holiday - No Classes
  • Sep 10, 2026 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Sep 24, 2026 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Sep 19, 2026 — Joliet Central Homecoming Dance
  • Sep 25, 2026 — Joliet West Homecoming Dance

October 2026

  • Oct 8, 2026 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Oct 12, 2026 — Columbus Day – No Classes
  • Oct 22, 2026 — Parent Teacher Conferences 4:00 p.m. – 7:00 p.m. – Early Dismissal 1:15 p.m.
  • Oct 23, 2026 — Parent Teacher Conferences 9:00 a.m. – 3:00 p.m. – No Classes

November 2026

  • Nov 11, 2026 — Veteran’s Day - No Classes
  • Nov 19, 2026 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Nov 25-27, 2026 — Thanksgiving Holiday - No Classes

December 2026

  • Dec 10, 2026 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Dec 18, 2026 — Last Day of School for 1st Semester
  • Dec 21-31, 2026 — Winter Holiday - No Classes

January 2027

  • Jan 1, 2027 — Winter Holiday – No Classes
  • Jan 4-5, 2027 — Full Day Teacher Institute - No Classes
  • Jan 6, 2027 — First Day of Classes - 2nd Semester
  • Jan 18, 2027 — Martin Luther King, Jr. Holiday - No Classes
  • Jan 28, 2027 — School Improvement Planning – Early Release – 11:45 Student Dismissal

February 2027

  • Feb 11, 2027 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Feb 15, 2027 — President’s Day - No Classes
  • Feb 25, 2027 — School Improvement Planning – Early Release – 11:45 Student Dismissal

March 2027

  • Mar 1, 2027 — Casimir Pulaski Day – No Classes
  • Mar 4, 2027 — Parent Teacher Conferences 4:00 p.m. – 7:00 p.m. – Early Dismissal 1:15 p.m.
  • Mar 5, 2027 — Parent Teacher Conferences 9:00 a.m. – 3:00 p.m. – No Classes
  • Mar 18, 2027 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • Mar 26, 2027 — Sprint Holiday – No Classes

April 2027

  • Apr 1-2, 2027 — Spring Break - No Classes
  • Apr 22, 2027 — School Improvement Planning – Early Release – 11:45 Student Dismissal

May 2027

  • May 6, 2027 — School Improvement Planning – Early Release – 11:45 Student Dismissal
  • May 22, 2027 — Graduation
  • May 28, 2027 — Last Day of School for 2nd Semester
  • May 31, 2027 — Memorial Day – No Classes

June 2027

  • Jun 1-7, 2027 — Emergency Make Up Day
  • Jun 19, 2027 — Juneteenth

July 2027

Joliet Township High School District 204 teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Jan 4-5, 2027 Full Day Teacher Institute - No Classes District source

Joliet Township High School District 204 breaks and holidays

School is closed to students on these dates.

  • Jul 4, 2026 Independence Day Holiday Holiday
  • Aug 17, 2026 Full Day Institute - No Classes Holiday
  • Aug 18, 2026 Full Day Institute - No Classes Holiday
  • Sep 7, 2026 Labor Day Holiday - No Classes Holiday
  • Oct 12, 2026 Columbus Day – No Classes Holiday
  • Nov 11, 2026 Veteran’s Day - No Classes Holiday
  • Nov 25-27, 2026 Thanksgiving Holiday - No Classes Holiday
  • Dec 21-31, 2026 Winter Holiday - No Classes Holiday
  • Jan 1, 2027 Winter Holiday – No Classes Holiday
  • Jan 18, 2027 Martin Luther King, Jr. Holiday - No Classes Holiday
  • Feb 15, 2027 President’s Day - No Classes Holiday
  • Mar 1, 2027 Casimir Pulaski Day – No Classes Holiday
  • Mar 26, 2027 Sprint Holiday – No Classes Holiday
  • Mar 29-31, 2027 Spring Break – No Classes Break
  • Apr 1-2, 2027 Spring Break - No Classes Break
  • May 31, 2027 Memorial Day – No Classes Holiday
  • Jun 19, 2027 Juneteenth Holiday

Your checked 2026/27 Joliet Township High School District 204 planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now43 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated May 16, 2026.
Full term dates table

Joliet Township High School District 204 2026–27 calendar dates

DateEvent
Jul 4, 2026Independence Day Holiday
Aug 17, 2026Full Day Institute - No Classes
Aug 18, 2026Full Day Institute - No Classes
Aug 19, 2026First Day of Classes - 1st Semester
Aug 26, 2026Joliet Central Open House 6:00 p.m. – 8:00 p.m. – Early Dismissal 1:15 p.m.
Aug 26, 2026Joliet West Open House 6:00 p.m. – 8:00 p.m. – Early Dismissal 1:15 p.m.
Sep 7, 2026Labor Day Holiday - No Classes
Sep 10, 2026School Improvement Planning – Early Release – 11:45 Student Dismissal
Sep 24, 2026School Improvement Planning – Early Release – 11:45 Student Dismissal
Sep 19, 2026Joliet Central Homecoming Dance
Sep 25, 2026Joliet West Homecoming Dance
Oct 8, 2026School Improvement Planning – Early Release – 11:45 Student Dismissal
Oct 12, 2026Columbus Day – No Classes
Oct 22, 2026Parent Teacher Conferences 4:00 p.m. – 7:00 p.m. – Early Dismissal 1:15 p.m.
Oct 23, 2026Parent Teacher Conferences 9:00 a.m. – 3:00 p.m. – No Classes
Nov 11, 2026Veteran’s Day - No Classes
Nov 19, 2026School Improvement Planning – Early Release – 11:45 Student Dismissal
Nov 25-27, 2026Thanksgiving Holiday - No Classes
Dec 10, 2026School Improvement Planning – Early Release – 11:45 Student Dismissal
Dec 18, 2026Last Day of School for 1st Semester
Dec 21-31, 2026Winter Holiday - No Classes
Jan 1, 2027Winter Holiday – No Classes
Jan 4-5, 2027Full Day Teacher Institute - No Classes
Jan 6, 2027First Day of Classes - 2nd Semester
Jan 18, 2027Martin Luther King, Jr. Holiday - No Classes
Jan 28, 2027School Improvement Planning – Early Release – 11:45 Student Dismissal
Feb 11, 2027School Improvement Planning – Early Release – 11:45 Student Dismissal
Feb 15, 2027President’s Day - No Classes
Feb 25, 2027School Improvement Planning – Early Release – 11:45 Student Dismissal
Mar 1, 2027Casimir Pulaski Day – No Classes
Mar 4, 2027Parent Teacher Conferences 4:00 p.m. – 7:00 p.m. – Early Dismissal 1:15 p.m.
Mar 5, 2027Parent Teacher Conferences 9:00 a.m. – 3:00 p.m. – No Classes
Mar 18, 2027School Improvement Planning – Early Release – 11:45 Student Dismissal
Mar 26, 2027Sprint Holiday – No Classes
Mar 29-31, 2027Spring Break – No Classes
Apr 1-2, 2027Spring Break - No Classes
Apr TBD, 2027SAT Testing
Apr 22, 2027School Improvement Planning – Early Release – 11:45 Student Dismissal
May 6, 2027School Improvement Planning – Early Release – 11:45 Student Dismissal
May 22, 2027Graduation
May 28, 2027Last Day of School for 2nd Semester
May 31, 2027Memorial Day – No Classes
Jun 1-7, 2027Emergency Make Up Day
Jun 19, 2027Juneteenth

Joliet Township High School District 204 Calendar 26-27 Revised FAQs

When is the first day of school for Joliet Township High School District 204 in 2026-2027?
The first day of school for Joliet Township High School District 204 for the 2026-2027 school year is August 19, 2026.
When is Spring Break in Joliet Township High School District 204 for 2027?
Spring Break in Joliet Township High School District 204 starts on March 29, 2027 and ends on April 2, 2027.
When is Christmas Break in Joliet Township High School District 204 for 2026?
Christmas Break in Joliet Township High School District 204 is from December 21, 2026 through January 1, 2027.
When is Thanksgiving Break in Joliet Township High School District 204 for 2026?
Thanksgiving Break in Joliet Township High School District 204 is from November 25-27, 2026.
When is the last day of school in Joliet Township High School District 204 for 2027?
The last day of school for Joliet Township High School District 204 is May 28, 2027.

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Joliet Township High School District 204 calendar FAQs

When is the first day of school for Joliet Township High School District 204 in 2026-2027?
The first day of school for Joliet Township High School District 204 for the 2026-2027 school year is August 19, 2026.
When is Spring Break in Joliet Township High School District 204 for 2027?
Spring Break in Joliet Township High School District 204 starts on March 29, 2027 and ends on April 2, 2027.
When is Christmas Break in Joliet Township High School District 204 for 2026?
Christmas Break in Joliet Township High School District 204 is from December 21, 2026 through January 1, 2027.
When is Thanksgiving Break in Joliet Township High School District 204 for 2026?
Thanksgiving Break in Joliet Township High School District 204 is from November 25-27, 2026.
When is the last day of school in Joliet Township High School District 204 for 2027?
The last day of school for Joliet Township High School District 204 is May 28, 2027.

Dates can change after publication. Read our calendar disclaimer.