For the 2026–2027 school year, Ocs publishes its official academic calendar for Michigan. Classes begin Aug 20 and end Jun 7-10. All dates listed below are sourced from the district's official publications. Verify with Ocs before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Ocs. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Ocs's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- Teacher Professional Development - No StudentsAug 17 — Aug 19Teacher Day
- Students First Day of SchoolAug 20, 2026School Opens
- Vacation Day - No School Students/StaffSep 7, 2026No School
- Parent/Teacher Conferences - 11:10 a.m. DismissalOct 22 — Oct 23Teacher Day
- Half Day Schedule - 11:10 a.m. DismissalOct 30, 2026Early Release
- Teacher Professional Development - No StudentsNov 23 — Nov 24Teacher Day
- Vacation Days - No School Students/StaffNov 25 — Nov 27No School
- Semester Ends - 11:10 a.m. Dismissal for AllDec 18, 2026Event
- Vacation Days - No School Students/StaffDec 21 — Dec 31No School
- Vacation Day - No School Students/StaffJan 1, 2027No School
- First Day of 2nd SemesterJan 4, 2027School Opens
- Vacation Day - No School Students/StaffJan 18, 2027No School
- Parent/Teacher Conferences - 11:10 a.m. DismissalFeb 12, 2027Teacher Day
- Vacation Day - No School Students/StaffFeb 15, 2027No School
- Parent/Teacher Conferences - 11:10 a.m. DismissalMar 11 — Mar 12Teacher Day
- Half Day Schedule - 11:10 a.m. DismissalMar 26, 2027Early Release
- Vacation Days - No School Students/StaffMar 29 — Mar 31No School
- Vacation Days - No School Students/StaffApr 1 — Apr 2No School
- Vacation Day - No School Students/StaffMay 31, 2027No School
- Semester Ends - 11:10 a.m. Dismissal for AllJun 4, 2027Event
- Calendar Make-Up Days as NeededJun 7 — Jun 10Event
About the District
School Information
Details and contact information for Ocs.
Sources and Checks
Where these dates come from
How the 2026–2027 Ocs calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Ocs published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against educounty.net.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Ocs before booking around a date.
Common Questions
Frequently Asked Questions
Ocs Calendar 2026–2027 — important dates and answers.
The first day of school for OCS students is August 20, 2026.
Spring break in OCS is from March 29 through April 2, 2027. Students return to school on April 5, 2027.
Christmas break in OCS begins on December 21, 2026, and continues through January 1, 2027. Students return on January 4, 2027.
Winter break in OCS is from December 21, 2026, through January 1, 2027.
Thanksgiving break for OCS students is from November 23 through November 27, 2026. November 23-24 are teacher professional development days, and November 25-27 are vacation days.
The scheduled last day of school in OCS is June 4, 2027. All students will be dismissed at 11:10 a.m.
Teacher professional development days with no school for students are August 17-19, 2026, and November 23-24, 2026.
OCS will be closed for students and staff on September 7, 2026.
Parent-teacher conference dates are October 22-23, 2026, February 12, 2027, and March 11-12, 2027. Students will be dismissed at 11:10 a.m. on these dates.
Half-day schedules with an 11:10 a.m. dismissal are scheduled for October 30, 2026, and March 26, 2027.
The first semester ends on December 18, 2026. All students will be dismissed at 11:10 a.m.
The second semester begins on January 4, 2027.
Yes. OCS will be closed for students and staff on January 18, 2027.
Yes. OCS will be closed for students and staff on February 15, 2027.
Yes. OCS will be closed for students and staff on May 31, 2027.
Calendar make-up days, if needed, are scheduled for June 7-10, 2027.
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Recently Updated Calendars
Other Michigan school district calendars — recently added or updated.