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Trenton High School MI Calendar 26-27

  • 2026/27
  • Michigan
  • 5 teacher days

The Trenton High School 2026–27 school year ends on Jun 15, 2027. Breaks include Thanksgiving break Nov 25 and winter break Feb 12. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts See full dates First day not published separately
School year ends Tue, Jun 15, 2027 Two Exams - Students Dismissed at 10:35 / Last Day for Students (Elementary and Middle School)
Next key date — Counts down once the school year is under way

Trenton High School 2026-27 calendar

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

Trenton High School school year calendar

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

  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Testing / exams
  • Other scheduled date

August 2026

September 2026

  • Sep 2, 2026 — District-wide Professional Development
  • Sep 8, 2026 — Opening Day for Students - Morning Only for Students District-wide
  • Sep 25, 2026 — Morning Only for Students District-wide / Afternoon Professional Development

October 2026

  • Oct 1, 2026 — District-wide 1 Hour Early Release Professional Development
  • Oct 22, 2026 — High School PT Conferences
  • Oct 29, 2026 — District-wide 1 Hour Early Release Professional Development
  • Oct 30, 2026 — Morning Only for Students and Staff District-wide

November 2026

  • Nov 3, 2026 — No School District-wide / Professional Development
  • Nov 13, 2026 — Morning Only for Elementary and Middle School Students
  • Nov 19, 2026 — Elementary and Middle School Parent/Teacher Conferences
  • Nov 23, 2026 — Adjusted Schedule with 1 Exam
  • Nov 24, 2026 — Two Exams - Students Dismissed at 10:35

December 2026

  • Dec 10, 2026 — District-wide 1 Hour Early Release Professional Development
  • Dec 18, 2026 — Winter Vacation Begins

January 2027

  • Jan 4, 2027 — School Resumes
  • Jan 18, 2027 — Martin Luther King Day - No School District-wide
  • Jan 28, 2027 — District-wide 1 Hour Early Release Professional Development
  • Jan 29, 2027 — No School District-wide / Professional Development

February 2027

  • Feb 12, 2027 — Mid-Winter Break Begins
  • Feb 17, 2027 — School Resumes
  • Feb 25, 2027 — District-wide 1 Hour Early Release Professional Development

March 2027

  • Mar 10, 2027 — Adjusted Schedule with 1 Exam
  • Mar 11, 2027 — Two Exams - Students Dismissed at 10:35
  • Mar 12, 2027 — Two Exams - Students Dismissed at 10:35
  • Mar 15, 2027 — Start of 3rd Trimester
  • Mar 18, 2027 — Morning Only for Students District-wide / Spring Open House

April 2027

  • Apr 5, 2027 — School Resumes
  • Apr 7, 2027 — State Testing (SAT and PSAT)
  • Apr 22, 2027 — District-wide 1 Hour Early Release Professional Development

May 2027

  • May 20, 2027 — Morning Only for Students District-wide / Afternoon Professional Development
  • May 31, 2027 — Memorial Day Holiday - No School District-wide

June 2027

  • Jun 11, 2027 — Adjusted Schedule with 1 Exam
  • Jun 14, 2027 — Two Exams - Students Dismissed at 10:35
  • Jun 15, 2027 — Two Exams - Students Dismissed at 10:35 / Last Day for Students (Elementary and Middle School)

July 2027

Trenton High School teacher and staff days 2026/27

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

  • Sep 2, 2026 District-wide Professional Development District source
  • Sep 25, 2026 Morning Only for Students District-wide / Afternoon Professional Development District source
  • Nov 3, 2026 No School District-wide / Professional Development District source
  • Jan 29, 2027 No School District-wide / Professional Development District source
  • May 20, 2027 Morning Only for Students District-wide / Afternoon Professional Development District source

Trenton High School breaks and holidays

School is closed to students on these dates.

  • Nov 25, 2026 Morning Only for Students and Staff / Thanksgiving Vacation Begins Break
  • Dec 18, 2026 Winter Vacation Begins Break
  • Jan 18, 2027 Martin Luther King Day - No School District-wide Holiday
  • Feb 12, 2027 Mid-Winter Break Begins Break
  • Mar 25, 2027 Spring Vacation Begins Break
  • May 31, 2027 Memorial Day Holiday - No School District-wide Holiday

Your checked 2026/27 Trenton High School planning calendar

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

Useful now37 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 22, 2026.
Full term dates table

Trenton High School 2026–27 calendar dates

DateEvent
Sep 2, 2026District-wide Professional Development
Sep 8, 2026Opening Day for Students - Morning Only for Students District-wide
Sep 25, 2026Morning Only for Students District-wide / Afternoon Professional Development
Oct 1, 2026District-wide 1 Hour Early Release Professional Development
Oct 22, 2026High School PT Conferences
Oct 29, 2026District-wide 1 Hour Early Release Professional Development
Oct 30, 2026Morning Only for Students and Staff District-wide
Nov 3, 2026No School District-wide / Professional Development
Nov 13, 2026Morning Only for Elementary and Middle School Students
Nov 19, 2026Elementary and Middle School Parent/Teacher Conferences
Nov 23, 2026Adjusted Schedule with 1 Exam
Nov 24, 2026Two Exams - Students Dismissed at 10:35
Nov 25, 2026Morning Only for Students and Staff / Thanksgiving Vacation Begins
Nov 30, 2026School Resumes / Start of 2nd Trimester
Dec 10, 2026District-wide 1 Hour Early Release Professional Development
Dec 18, 2026Winter Vacation Begins
Jan 4, 2027School Resumes
Jan 18, 2027Martin Luther King Day - No School District-wide
Jan 28, 2027District-wide 1 Hour Early Release Professional Development
Jan 29, 2027No School District-wide / Professional Development
Feb 12, 2027Mid-Winter Break Begins
Feb 17, 2027School Resumes
Feb 25, 2027District-wide 1 Hour Early Release Professional Development
Mar 10, 2027Adjusted Schedule with 1 Exam
Mar 11, 2027Two Exams - Students Dismissed at 10:35
Mar 12, 2027Two Exams - Students Dismissed at 10:35
Mar 15, 2027Start of 3rd Trimester
Mar 18, 2027Morning Only for Students District-wide / Spring Open House
Mar 25, 2027Spring Vacation Begins
Apr 5, 2027School Resumes
Apr 7, 2027State Testing (SAT and PSAT)
Apr 22, 2027District-wide 1 Hour Early Release Professional Development
May 20, 2027Morning Only for Students District-wide / Afternoon Professional Development
May 31, 2027Memorial Day Holiday - No School District-wide
Jun 11, 2027Adjusted Schedule with 1 Exam
Jun 14, 2027Two Exams - Students Dismissed at 10:35
Jun 15, 2027Two Exams - Students Dismissed at 10:35 / Last Day for Students (Elementary and Middle School)

Trenton High School Calendar 26-27 Revised FAQs

When is the first day of school in Trenton High School Calendar 2026-2027?
The first day of school for students in Trenton High School Calendar 2026-2027 is September 8, 2026.
When is Spring Break in Trenton High School Calendar 2026-2027?
Spring Break begins on March 25, 2027, at the conclusion of the school day. Classes resume on April 5, 2027.
When is Christmas Break in Trenton High School Calendar 2026-2027?
Christmas Break during Trenton High School Calendar 2026-2027 starts on December 18, 2026. Students return to school on January 4, 2027.
When is Winter Break in Trenton High School Calendar 2026-2027?
Winter Break starts on December 18, 2026, after the conclusion of the school day and ends when school resumes on January 4, 2027.
When is Thanksgiving Break in Trenton High School Calendar 2026-2027?
Thanksgiving vacation begins at the end of the half day on November 25, 2026. School resumes on November 30, 2026.
When is the last day of school in Trenton High School Calendar 2026-2027?
The last scheduled student day in Trenton High School Calendar 2026-2027 is June 15, 2027.
When is Mid-Winter Break in Trenton High School Calendar 2026-2027?
Mid-Winter Break begins on February 12, 2027, and school resumes on February 17, 2027.
When is Martin Luther King Jr. Day in Trenton High School Calendar 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027, and there is no school district-wide.
When is Memorial Day Holiday in Trenton High School Calendar 2026-2027?
Memorial Day Holiday is on May 31, 2027. There will be no school district-wide.
When are SAT and PSAT testing dates in Trenton High School Calendar 2026-2027?
State Testing (SAT and PSAT) is scheduled for April 7, 2027.
When does the third trimester begin in Trenton High School Calendar 2026-2027?
The third trimester begins on March 15, 2027.

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Trenton High School calendar FAQs

When is the first day of school in Trenton High School Calendar 2026-2027?
The first day of school for students in Trenton High School Calendar 2026-2027 is September 8, 2026.
When is Spring Break in Trenton High School Calendar 2026-2027?
Spring Break begins on March 25, 2027, at the conclusion of the school day. Classes resume on April 5, 2027.
When is Christmas Break in Trenton High School Calendar 2026-2027?
Christmas Break during Trenton High School Calendar 2026-2027 starts on December 18, 2026. Students return to school on January 4, 2027.
When is Winter Break in Trenton High School Calendar 2026-2027?
Winter Break starts on December 18, 2026, after the conclusion of the school day and ends when school resumes on January 4, 2027.
When is Thanksgiving Break in Trenton High School Calendar 2026-2027?
Thanksgiving vacation begins at the end of the half day on November 25, 2026. School resumes on November 30, 2026.
When is the last day of school in Trenton High School Calendar 2026-2027?
The last scheduled student day in Trenton High School Calendar 2026-2027 is June 15, 2027.
When is Mid-Winter Break in Trenton High School Calendar 2026-2027?
Mid-Winter Break begins on February 12, 2027, and school resumes on February 17, 2027.
When is Martin Luther King Jr. Day in Trenton High School Calendar 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027, and there is no school district-wide.
When is Memorial Day Holiday in Trenton High School Calendar 2026-2027?
Memorial Day Holiday is on May 31, 2027. There will be no school district-wide.
When are SAT and PSAT testing dates in Trenton High School Calendar 2026-2027?
State Testing (SAT and PSAT) is scheduled for April 7, 2027.
When does the third trimester begin in Trenton High School Calendar 2026-2027?
The third trimester begins on March 15, 2027.

Dates can change after publication. Read our calendar disclaimer.