Home / School calendars / Illinois / Center Cass School District IL Calendar 26-27

Illinois school calendar

Center Cass School District IL Calendar 26-27

  • 2026/27
  • Illinois
  • 4 teacher days

The Center Cass School District 2026–27 school year runs from Aug 19, 2026 to Jun 1, 2027. Breaks include winter break Dec 21-31, spring break Mar 26-31, and fall break Nov 23-27. 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 School - SIP Day
School year ends Tue, Jun 1, 2027 Last Day - Early Dismissal - SIP Day
Next key date Wed, Aug 19, 2026 Counts down once the school year is under way

Center Cass School District 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Center Cass School District 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

August 2026

  • Aug 17-18, 2026 — Teacher Institute - No School
  • Aug 19, 2026 — First Day of School - SIP Day

September 2026

  • Sep 7, 2026 — Holiday - No School
  • Sep 25, 2026 — Early Dismissal - SIP Day

October 2026

  • Oct 12, 2026 — Holiday - No School
  • Oct 13, 2026 — No School
  • Oct 30, 2026 — Early Dismissal - SIP Day

November 2026

  • Nov 23-27, 2026 — Fall Break - No School

December 2026

  • Dec 21-31, 2026 — Winter Break - No School

January 2027

  • Jan 1, 2027 — Winter Break - No School
  • Jan 4, 2027 — Teacher Institute
  • Jan 18, 2027 — Holiday - No School

February 2027

  • Feb 11, 2027 — Early Dismissal - SIP Day
  • Feb 12, 2027 — No School
  • Feb 15, 2027 — Holiday - No School
  • Feb 26, 2027 — County Institute Day

March 2027

  • Mar 15, 2027 — Early Dismissal - SIP Day
  • Mar 26-31, 2027 — Spring Break - No School

April 2027

  • Apr 1-2, 2027 — Spring Break - No School
  • Apr 19, 2027 — Early Dismissal - SIP Day

May 2027

  • May 7, 2027 — Early Dismissal - SIP Day
  • May 31, 2027 — Holiday - No School

June 2027

  • Jun 1, 2027 — Last Day - Early Dismissal - SIP Day
  • Jun 2, 2027 — Teacher Institute

July 2027

Center Cass School District teacher and staff days 2026/27

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

  • Aug 17-18, 2026 Teacher Institute - No School District source
  • Jan 4, 2027 Teacher Institute District source
  • Feb 26, 2027 County Institute Day District source
  • Jun 2, 2027 Teacher Institute District source

Center Cass School District breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Holiday - No School Holiday
  • Oct 12, 2026 Holiday - No School Holiday
  • Oct 13, 2026 No School Holiday
  • Nov 23-27, 2026 Fall Break - No School Break
  • Dec 21-31, 2026 Winter Break - No School Break
  • Jan 1, 2027 Winter Break - No School Break
  • Jan 18, 2027 Holiday - No School Holiday
  • Feb 12, 2027 No School Holiday
  • Feb 15, 2027 Holiday - No School Holiday
  • Mar 26-31, 2027 Spring Break - No School Break
  • Apr 1-2, 2027 Spring Break - No School Break
  • May 31, 2027 Holiday - No School Holiday

Your checked 2026/27 Center Cass School District planning calendar

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

Useful now24 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 July 12, 2026.
Full term dates table

Center Cass School District 2026–27 calendar dates

DateEvent
Aug 17-18, 2026Teacher Institute - No School
Aug 19, 2026First Day of School - SIP Day
Sep 7, 2026Holiday - No School
Sep 25, 2026Early Dismissal - SIP Day
Oct 12, 2026Holiday - No School
Oct 13, 2026No School
Oct 30, 2026Early Dismissal - SIP Day
Nov 23-27, 2026Fall Break - No School
Dec 21-31, 2026Winter Break - No School
Jan 1, 2027Winter Break - No School
Jan 4, 2027Teacher Institute
Jan 18, 2027Holiday - No School
Feb 11, 2027Early Dismissal - SIP Day
Feb 12, 2027No School
Feb 15, 2027Holiday - No School
Feb 26, 2027County Institute Day
Mar 15, 2027Early Dismissal - SIP Day
Mar 26-31, 2027Spring Break - No School
Apr 1-2, 2027Spring Break - No School
Apr 19, 2027Early Dismissal - SIP Day
May 7, 2027Early Dismissal - SIP Day
May 31, 2027Holiday - No School
Jun 1, 2027Last Day - Early Dismissal - SIP Day
Jun 2, 2027Teacher Institute
TBDEmergency Days - Cancelled if Not Used

Center Cass School District Calendar 26-27 Revised FAQs

When is the first day of school in Center Cass School District for 2026-2027?
The first day of school for students in the Center Cass School District is August 19, 2026. The day is also designated as a SIP (School Improvement) Day.
When is Spring Break in Center Cass School District for 2026-2027?
Spring Break is scheduled from March 26 through April 2, 2027. Students return to school on April 5, 2027.
When is Christmas Break in Center Cass School District for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through January 1, 2027.
When is Winter Break in Center Cass School District for 2026-2027?
Winter Break is observed from December 21, 2026, through January 1, 2027. Classes resume after the Teacher Institute on January 4, 2027.
When is Thanksgiving Break in Center Cass School District for 2026-2027?
Thanksgiving (Fall Break) is scheduled from November 23-27, 2026. There is no school during these dates.
When is the last day of school in Center Cass School District for 2026-2027?
The planned last day of school is June 1, 2027. Students will have an early dismissal and it is also a SIP Day. The date may be adjusted earlier if emergency days are not used.
When are the Teacher Institute days in Center Cass School District for 2026-2027?
Teacher Institute days are August 17-18, 2026, January 4, 2027, and June 2, 2027. There is no student attendance on these dates.
When is Fall Break in Center Cass School District for 2026-2027?
Fall Break takes place from November 23 through November 27, 2026.
Which holidays are observed during the Center Cass School District 2026-2027 school year?
School holidays include September 7, 2026 (Labor Day), October 12-13, 2026, January 18, 2027, February 15, 2027, and May 31, 2027 (Memorial Day).
When are the Early Dismissal SIP Days in Center Cass School District for 2026-2027?
Early Dismissal SIP Days are scheduled for September 25, 2026, October 30, 2026, February 11, 2027, March 15, 2027, April 19, 2027, May 7, 2027, and June 1, 2027.
When is County Institute Day in Center Cass School District for 2026-2027?
County Institute Day is scheduled for February 26, 2027. Students do not attend school on this day.
Are there emergency days built into the Center Cass School District 2026-2027 calendar?
Yes. The calendar includes TBD emergency days, which will only be used if needed. If they are not used, the last student attendance day may be adjusted to an earlier date.

Useful next steps

Switch school, download the calendar, or compare against other districts in Illinois.

All Illinois calendars Download this calendar School supply list Switch state

Center Cass School District calendar FAQs

When is the first day of school in Center Cass School District for 2026-2027?
The first day of school for students in the Center Cass School District is August 19, 2026. The day is also designated as a SIP (School Improvement) Day.
When is Spring Break in Center Cass School District for 2026-2027?
Spring Break is scheduled from March 26 through April 2, 2027. Students return to school on April 5, 2027.
When is Christmas Break in Center Cass School District for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through January 1, 2027.
When is Winter Break in Center Cass School District for 2026-2027?
Winter Break is observed from December 21, 2026, through January 1, 2027. Classes resume after the Teacher Institute on January 4, 2027.
When is Thanksgiving Break in Center Cass School District for 2026-2027?
Thanksgiving (Fall Break) is scheduled from November 23-27, 2026. There is no school during these dates.
When is the last day of school in Center Cass School District for 2026-2027?
The planned last day of school is June 1, 2027. Students will have an early dismissal and it is also a SIP Day. The date may be adjusted earlier if emergency days are not used.
When are the Teacher Institute days in Center Cass School District for 2026-2027?
Teacher Institute days are August 17-18, 2026, January 4, 2027, and June 2, 2027. There is no student attendance on these dates.
When is Fall Break in Center Cass School District for 2026-2027?
Fall Break takes place from November 23 through November 27, 2026.
Which holidays are observed during the Center Cass School District 2026-2027 school year?
School holidays include September 7, 2026 (Labor Day), October 12-13, 2026, January 18, 2027, February 15, 2027, and May 31, 2027 (Memorial Day).
When are the Early Dismissal SIP Days in Center Cass School District for 2026-2027?
Early Dismissal SIP Days are scheduled for September 25, 2026, October 30, 2026, February 11, 2027, March 15, 2027, April 19, 2027, May 7, 2027, and June 1, 2027.
When is County Institute Day in Center Cass School District for 2026-2027?
County Institute Day is scheduled for February 26, 2027. Students do not attend school on this day.
Are there emergency days built into the Center Cass School District 2026-2027 calendar?
Yes. The calendar includes TBD emergency days, which will only be used if needed. If they are not used, the last student attendance day may be adjusted to an earlier date.

Dates can change after publication. Read our calendar disclaimer.