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Buffalo ISD TX Calendar 26-27

  • 2026/27
  • Texas
  • 7 teacher days

The Buffalo ISD 2026–27 school year runs from Aug 12, 2026 to May 20, 2027. Breaks include Thanksgiving break Nov 23-27, winter break Dec 21-31, and spring break Mar 15-19. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 12, 2026 First Day of School
School year ends Thu, May 20, 2027 Last Day of School
Next key date Wed, Aug 12, 2026 Counts down once the school year is under way

Buffalo ISD 2026-27 calendar

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

Buffalo ISD 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
  • Graduation
  • Other scheduled date

August 2026

  • Aug 3-7, 2026 — Teacher In-Service Day (No School for Students)
  • Aug 10-11, 2026 — Teacher In-Service Day (No School for Students)
  • Aug 12, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — School Closed - Labor Day
  • Sep 21, 2026 — Teacher In-Service Day (No School for Students)

October 2026

  • Oct 12, 2026 — School Closed / Holiday

November 2026

  • Nov 2, 2026 — Teacher In-Service Day (No School for Students)
  • Nov 23-27, 2026 — Thanksgiving Break

December 2026

  • Dec 18, 2026 — Half Day for Students
  • Dec 21-31, 2026 — Christmas / Winter Break

January 2027

  • Jan 1, 2027 — Christmas / Winter Break
  • Jan 4, 2027 — School Closed / Holiday
  • Jan 5, 2027 — Teacher In-Service Day (No School for Students)
  • Jan 18, 2027 — School Closed / Holiday

February 2027

  • Feb 12, 2027 — Teacher In-Service Day (No School for Students)
  • Feb 15-16, 2027 — School Closed / Holiday

March 2027

  • Mar 15-19, 2027 — Spring Break
  • Mar 26, 2027 — School Closed / Holiday

April 2027

  • Apr 9, 2027 — Teacher In-Service Day (No School for Students)

May 2027

  • May 20, 2027 — Last Day of School
  • May 21, 2027 — Graduation Day

June 2027

July 2027

  • Jul 5-9, 2027 — Offices Closed

Buffalo ISD teacher and staff days 2026/27

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

  • Aug 3-7, 2026 Teacher In-Service Day (No School for Students) District source
  • Aug 10-11, 2026 Teacher In-Service Day (No School for Students) District source
  • Sep 21, 2026 Teacher In-Service Day (No School for Students) District source
  • Nov 2, 2026 Teacher In-Service Day (No School for Students) District source
  • Jan 5, 2027 Teacher In-Service Day (No School for Students) District source
  • Feb 12, 2027 Teacher In-Service Day (No School for Students) District source
  • Apr 9, 2027 Teacher In-Service Day (No School for Students) District source

Buffalo ISD breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 School Closed - Labor Day Holiday
  • Oct 12, 2026 School Closed / Holiday Holiday
  • Nov 23-27, 2026 Thanksgiving Break Break
  • Dec 21-31, 2026 Christmas / Winter Break Break
  • Jan 1, 2027 Christmas / Winter Break Break
  • Jan 4, 2027 School Closed / Holiday Holiday
  • Jan 18, 2027 School Closed / Holiday Holiday
  • Feb 15-16, 2027 School Closed / Holiday Holiday
  • Mar 15-19, 2027 Spring Break Break
  • Mar 26, 2027 School Closed / Holiday Holiday

Your checked 2026/27 Buffalo ISD planning calendar

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

Useful now22 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 26, 2026.
Full term dates table

Buffalo ISD 2026–27 calendar dates

DateEvent
Aug 3-7, 2026Teacher In-Service Day (No School for Students)
Aug 10-11, 2026Teacher In-Service Day (No School for Students)
Aug 12, 2026First Day of School
Sep 7, 2026School Closed - Labor Day
Sep 21, 2026Teacher In-Service Day (No School for Students)
Oct 12, 2026School Closed / Holiday
Nov 2, 2026Teacher In-Service Day (No School for Students)
Nov 23-27, 2026Thanksgiving Break
Dec 18, 2026Half Day for Students
Dec 21-31, 2026Christmas / Winter Break
Jan 1, 2027Christmas / Winter Break
Jan 4, 2027School Closed / Holiday
Jan 5, 2027Teacher In-Service Day (No School for Students)
Jan 18, 2027School Closed / Holiday
Feb 12, 2027Teacher In-Service Day (No School for Students)
Feb 15-16, 2027School Closed / Holiday
Mar 15-19, 2027Spring Break
Mar 26, 2027School Closed / Holiday
Apr 9, 2027Teacher In-Service Day (No School for Students)
May 20, 2027Last Day of School
May 21, 2027Graduation Day
Jul 5-9, 2027Offices Closed

Buffalo ISD Calendar 26-27 Revised FAQs

When is the first day of school in Buffalo ISD for 2026-2027?
The first day of school in Buffalo ISD for the 2026-2027 school year is August 12, 2026.
When is spring break in Buffalo ISD for 2026-2027?
Spring break in Buffalo ISD is from March 15 through March 19, 2027.
When is Christmas break in Buffalo ISD for 2026-2027?
Christmas break in Buffalo ISD begins on December 21, 2026, and continues through January 4, 2027.
When is winter break in Buffalo ISD for 2026-2027?
Winter break in Buffalo ISD is from December 21, 2026, through January 4, 2027. Students return after the teacher in-service day on January 5, 2027.
When is Thanksgiving break in Buffalo ISD for 2026-2027?
Thanksgiving break in Buffalo ISD is from November 23 through November 27, 2026.
When is the last day of school in Buffalo ISD for 2026-2027?
The last day of school in Buffalo ISD for the 2026-2027 school year is May 20, 2027.
When are the teacher in-service days in Buffalo ISD for 2026-2027?
Buffalo ISD teacher in-service days with no school for students are August 3-7, August 10-11, September 21 and November 2, 2026, as well as January 5, February 12 and April 9, 2027.
Is Buffalo ISD closed on Labor Day in 2026?
Yes. Buffalo ISD is closed for Labor Day on September 7, 2026.
Is there a student holiday in Buffalo ISD on October 12, 2026?
Yes. Buffalo ISD schools are closed for a holiday on October 12, 2026.
When is the early-release day before winter break in Buffalo ISD?
Buffalo ISD has a half day for students on December 18, 2026, before winter break.
Is Buffalo ISD closed on January 18, 2027?
Yes. Buffalo ISD schools are closed on January 18, 2027.
Does Buffalo ISD have a February break in 2027?
Buffalo ISD has school holidays on February 15 and February 16, 2027. February 12, 2027, is a teacher in-service day with no school for students.
Is Buffalo ISD closed on March 26, 2027?
Yes. Buffalo ISD schools are closed for a holiday on March 26, 2027.
When is graduation day in Buffalo ISD for 2026-2027?
Buffalo ISD graduation day is May 21, 2027.
When are Buffalo ISD offices closed during summer 2027?
Buffalo ISD offices are closed from July 5 through July 9, 2027.

Useful next steps

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Buffalo ISD calendar FAQs

When is the first day of school in Buffalo ISD for 2026-2027?
The first day of school in Buffalo ISD for the 2026-2027 school year is August 12, 2026.
When is spring break in Buffalo ISD for 2026-2027?
Spring break in Buffalo ISD is from March 15 through March 19, 2027.
When is Christmas break in Buffalo ISD for 2026-2027?
Christmas break in Buffalo ISD begins on December 21, 2026, and continues through January 4, 2027.
When is winter break in Buffalo ISD for 2026-2027?
Winter break in Buffalo ISD is from December 21, 2026, through January 4, 2027. Students return after the teacher in-service day on January 5, 2027.
When is Thanksgiving break in Buffalo ISD for 2026-2027?
Thanksgiving break in Buffalo ISD is from November 23 through November 27, 2026.
When is the last day of school in Buffalo ISD for 2026-2027?
The last day of school in Buffalo ISD for the 2026-2027 school year is May 20, 2027.
When are the teacher in-service days in Buffalo ISD for 2026-2027?
Buffalo ISD teacher in-service days with no school for students are August 3-7, August 10-11, September 21 and November 2, 2026, as well as January 5, February 12 and April 9, 2027.
Is Buffalo ISD closed on Labor Day in 2026?
Yes. Buffalo ISD is closed for Labor Day on September 7, 2026.
Is there a student holiday in Buffalo ISD on October 12, 2026?
Yes. Buffalo ISD schools are closed for a holiday on October 12, 2026.
When is the early-release day before winter break in Buffalo ISD?
Buffalo ISD has a half day for students on December 18, 2026, before winter break.
Is Buffalo ISD closed on January 18, 2027?
Yes. Buffalo ISD schools are closed on January 18, 2027.
Does Buffalo ISD have a February break in 2027?
Buffalo ISD has school holidays on February 15 and February 16, 2027. February 12, 2027, is a teacher in-service day with no school for students.
Is Buffalo ISD closed on March 26, 2027?
Yes. Buffalo ISD schools are closed for a holiday on March 26, 2027.
When is graduation day in Buffalo ISD for 2026-2027?
Buffalo ISD graduation day is May 21, 2027.
When are Buffalo ISD offices closed during summer 2027?
Buffalo ISD offices are closed from July 5 through July 9, 2027.

Dates can change after publication. Read our calendar disclaimer.