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Byron CUSD #226 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 3 teacher days

The Byron CUSD #226 2026–27 school year runs from Aug 19, 2026 to May 28, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 21-31, and spring break Mar 26-31. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 19, 2026 First Day of School
School year ends Fri, May 28, 2027 Last Day of School / SIP Day
Next key date Wed, Aug 19, 2026 Counts down once the school year is under way

Byron CUSD #226 2026-27 calendar

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

Byron CUSD #226 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
  • Parent-teacher conference
  • Grading period / report cards
  • Weather make-up day
  • Other scheduled date

August 2026

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

September 2026

  • Sep 7, 2026 — Labor Day - No School
  • Sep 18, 2026 — SIP Day

October 2026

  • Oct 12, 2026 — Columbus Day
  • Oct 21-22, 2026 — Parent Teacher Conferences - 2 PM Dismissal
  • Oct 23, 2026 — Not in Attendance Day / End of MM Q1 - No School

November 2026

  • Nov 2-3, 2026 — Fall Break - No School
  • Nov 11, 2026 — SIP Day
  • Nov 25-27, 2026 — Thanksgiving Break

December 2026

  • Dec 18, 2026 — End of Grading Period (MS & HS)
  • Dec 21-31, 2026 — Winter Break

January 2027

  • Jan 1, 2027 — Winter Break
  • Jan 4, 2027 — Teacher Institute - No School
  • Jan 15, 2027 — End of MM Q2 Grading
  • Jan 18, 2027 — Martin Luther King Jr. Day - No School

February 2027

  • Feb 5, 2027 — SIP Day
  • Feb 15, 2027 — Presidents Day - No School
  • Feb 26, 2027 — Teacher Institute - No School

March 2027

  • Mar 19, 2027 — MM End of Q3
  • Mar 26-31, 2027 — Spring Break

April 2027

  • Apr 1-2, 2027 — Spring Break
  • Apr 23, 2027 — SIP Day

May 2027

  • May 28, 2027 — Last Day of School / SIP Day
  • May 31, 2027 — Memorial Day

June 2027

  • Jun 1-7, 2027 — Emergency Days

July 2027

Byron CUSD #226 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 - No School District source
  • Feb 26, 2027 Teacher Institute - No School District source

Byron CUSD #226 breaks and holidays

School is closed to students on these dates.

  • Jul 3, 2026 Independence Day Observance Holiday
  • Sep 7, 2026 Labor Day - No School Holiday
  • Oct 12, 2026 Columbus Day Holiday
  • Oct 23, 2026 Not in Attendance Day / End of MM Q1 - No School Holiday
  • Nov 2-3, 2026 Fall Break - No School Break
  • Nov 25-27, 2026 Thanksgiving Break Break
  • Dec 21-31, 2026 Winter Break Break
  • Jan 1, 2027 Winter Break Break
  • Jan 18, 2027 Martin Luther King Jr. Day - No School Holiday
  • Feb 15, 2027 Presidents Day - No School Holiday
  • Mar 26-31, 2027 Spring Break Break
  • Apr 1-2, 2027 Spring Break Break
  • May 31, 2027 Memorial Day Holiday

Your checked 2026/27 Byron CUSD #226 planning calendar

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

Useful now27 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

Byron CUSD #226 2026–27 calendar dates

DateEvent
Jul 3, 2026Independence Day Observance
Aug 17-18, 2026Teacher Institute - No School
Aug 19, 2026First Day of School
Sep 7, 2026Labor Day - No School
Sep 18, 2026SIP Day
Oct 12, 2026Columbus Day
Oct 21-22, 2026Parent Teacher Conferences - 2 PM Dismissal
Oct 23, 2026Not in Attendance Day / End of MM Q1 - No School
Nov 2-3, 2026Fall Break - No School
Nov 11, 2026SIP Day
Nov 25-27, 2026Thanksgiving Break
Dec 18, 2026End of Grading Period (MS & HS)
Dec 21-31, 2026Winter Break
Jan 1, 2027Winter Break
Jan 4, 2027Teacher Institute - No School
Jan 15, 2027End of MM Q2 Grading
Jan 18, 2027Martin Luther King Jr. Day - No School
Feb 5, 2027SIP Day
Feb 15, 2027Presidents Day - No School
Feb 26, 2027Teacher Institute - No School
Mar 19, 2027MM End of Q3
Mar 26-31, 2027Spring Break
Apr 1-2, 2027Spring Break
Apr 23, 2027SIP Day
May 28, 2027Last Day of School / SIP Day
May 31, 2027Memorial Day
Jun 1-7, 2027Emergency Days

Byron CUSD #226 Calendar 26-27 Revised FAQs

When is the first day of school in Byron CUSD #226 for 2026-2027?
The first day of school for students in Byron CUSD #226 is August 19, 2026.
When is Spring Break in Byron CUSD #226 for 2026-2027?
Spring Break begins on March 26, 2027 and continues through April 2, 2027. Classes resume after the break.
When is Christmas Break in Byron CUSD #226 for 2026-2027?
Christmas Break is part of the district's Winter Break and runs from December 21, 2026, through January 1, 2027.
When is Winter Break in Byron CUSD #226 for 2026-2027?
Winter Break is scheduled from December 21, 2026, through January 1, 2027.
When is Thanksgiving Break in Byron CUSD #226 for 2026-2027?
Thanksgiving Break is scheduled for November 25-27, 2026.
When is the last day of school in Byron CUSD #226 for 2026-2027?
The last scheduled day of school is May 28, 2027, which is also a SIP Day.
When are the Teacher Institute days in Byron CUSD #226 for 2026-2027?
Teacher Institute days are scheduled for August 17-18, 2026, January 4, 2027, and February 26, 2027. Students do not attend school on these dates.
When are Parent-Teacher Conferences in Byron CUSD #226 for 2026-2027?
Parent-Teacher Conferences are scheduled for October 21-22, 2026, with a 2:00 PM dismissal for students.
When is Fall Break in Byron CUSD #226 for 2026-2027?
Fall Break is scheduled for November 2-3, 2026. There will be no school on these dates.
Which SIP Days are included in the Byron CUSD #226 Calendar 2026-2027?
SIP Days are scheduled for September 18, 2026, November 11, 2026, February 5, 2027, April 23, 2027, and May 28, 2027.
When does the second grading period end in Byron CUSD #226 for 2026-2027?
The MM Quarter 2 grading period ends on January 15, 2027.
Are emergency days included in the Byron CUSD #226 Calendar 2026-2027?
Yes. Emergency Days are reserved for June 1-7, 2027, if they are needed due to weather or other school closures.

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Byron CUSD #226 calendar FAQs

When is the first day of school in Byron CUSD #226 for 2026-2027?
The first day of school for students in Byron CUSD #226 is August 19, 2026.
When is Spring Break in Byron CUSD #226 for 2026-2027?
Spring Break begins on March 26, 2027 and continues through April 2, 2027. Classes resume after the break.
When is Christmas Break in Byron CUSD #226 for 2026-2027?
Christmas Break is part of the district's Winter Break and runs from December 21, 2026, through January 1, 2027.
When is Winter Break in Byron CUSD #226 for 2026-2027?
Winter Break is scheduled from December 21, 2026, through January 1, 2027.
When is Thanksgiving Break in Byron CUSD #226 for 2026-2027?
Thanksgiving Break is scheduled for November 25-27, 2026.
When is the last day of school in Byron CUSD #226 for 2026-2027?
The last scheduled day of school is May 28, 2027, which is also a SIP Day.
When are the Teacher Institute days in Byron CUSD #226 for 2026-2027?
Teacher Institute days are scheduled for August 17-18, 2026, January 4, 2027, and February 26, 2027. Students do not attend school on these dates.
When are Parent-Teacher Conferences in Byron CUSD #226 for 2026-2027?
Parent-Teacher Conferences are scheduled for October 21-22, 2026, with a 2:00 PM dismissal for students.
When is Fall Break in Byron CUSD #226 for 2026-2027?
Fall Break is scheduled for November 2-3, 2026. There will be no school on these dates.
Which SIP Days are included in the Byron CUSD #226 Calendar 2026-2027?
SIP Days are scheduled for September 18, 2026, November 11, 2026, February 5, 2027, April 23, 2027, and May 28, 2027.
When does the second grading period end in Byron CUSD #226 for 2026-2027?
The MM Quarter 2 grading period ends on January 15, 2027.
Are emergency days included in the Byron CUSD #226 Calendar 2026-2027?
Yes. Emergency Days are reserved for June 1-7, 2027, if they are needed due to weather or other school closures.

Dates can change after publication. Read our calendar disclaimer.