Official School Calendar for Academic Year 2026–2027
![Ontario-Montclair School District Calendar 26-27 Revised [PDF]](/media/2026/03/Ontario-Montclair-School-District-26-27-Calender.png)
Ontario-Montclair School District Calendar 2026-2027 – Important Dates & FAQ
When is the first day of school in Ontario-Montclair School District for 2026-2027?
The first day for students in Ontario-Montclair School District for the 2026-2027 school year is August 5, 2026.
When is Spring Break in Ontario-Montclair School District 2027?
Spring Break in Ontario-Montclair School District runs from March 29 to April 2, 2027.
When is Christmas Break in Ontario-Montclair School District 2026?
Christmas Break in Ontario-Montclair School District begins on December 18, 2026 and continues through January 1, 2027.
When is Winter Break in Ontario-Montclair School District 2026-2027?
Winter Break in Ontario-Montclair School District takes place from December 18, 2026 through January 1, 2027.
When is Thanksgiving Break in Ontario-Montclair School District 2026?
Thanksgiving Break for Ontario-Montclair School District is scheduled from November 23 to November 27, 2026.
When is the last day of school in Ontario-Montclair School District for 2026-2027?
The last day for students in Ontario-Montclair School District for the 2026-2027 school year is May 20, 2027.
When is Labor Day in Ontario-Montclair School District during the 2026-2027 school year?
Labor Day is observed on September 7, 2026 and schools are closed.
When is Martin Luther King Jr. Day in Ontario-Montclair School District 2027?
Martin Luther King Jr. Day is observed on January 18, 2027 in Ontario-Montclair School District.
When is Presidents' Day in Ontario-Montclair School District 2027?
Presidents' Day is observed on February 15, 2027 and schools are closed.
When is Memorial Day in Ontario-Montclair School District 2027?
Memorial Day will be observed on May 31, 2027.
When is Juneteenth observed in Ontario-Montclair School District 2027?
Juneteenth (observed) will take place on June 18, 2027.
Ontario-Montclair School District 2026–27 calendar dates
| Date | Event |
|---|---|
| Jul 3, 2026 | Independence Day (observed) |
| Jul 30 - Aug 4, 2026 | Teacher Preparation Days |
| Aug 5, 2026 | First Day for Students |
| Sep 7, 2026 | Labor Day |
| Sep 28-30, 2026 | Middle School Parent Conference |
| Oct 1-2, 2026 | Middle School Parent Conference |
| Oct 5, 2026 | Non-School Day |
| Nov 6, 2026 | Elementary School Minimum Day - Report Card |
| Nov 11, 2026 | Veterans Day |
| Nov 16-20, 2026 | Elementary School Parent Conference |
| Nov 23-27, 2026 | Thanksgiving Break |
| Dec 17, 2026 | Middle School Minimum Day - Report Card |
| Dec 18-31, 2026 | Winter Break |
| Jan 1, 2027 | Winter Break |
| Jan 18, 2027 | Martin Luther King Jr. Day |
| Feb 8, 2027 | Lincoln's Birthday |
| Feb 15, 2027 | Presidents' Day |
| Mar 1-5, 2027 | Middle School Parent Conference |
| Mar 5, 2027 | Elementary School Minimum Day - Report Card |
| Mar 22-26, 2027 | Elementary School Parent Conference |
| Mar 29-31, 2027 | Spring Break |
| Apr 1-2, 2027 | Spring Break |
| Apr 30, 2027 | Middle School Minimum Day - Report Card |
| May 20, 2027 | Last Day for Students |
| May 31, 2027 | Memorial Day |
| Jun 18, 2027 | Juneteenth (observed) |
Dates can change after publication. Read our calendar disclaimer.