2026-2027
Official
Updated 2026-11-05

Central Cass School District 17 Calendar 2026-2027

Complete holiday schedule and key dates for Central Cass School District 17 for the 2026-2027 academic year. Official district website

First Day Aug 26, 2026
Last Day May 26, 2027
NS: Thanksgiving Break Nov 26-27
NS: Christmas Break Begins Dec 23-Jan 3
NS: Easter Break Mar 29

Key Dates

Event Date(s) Status
First Day of School August 26, 2026 (Wed) School Opens
NS: Labor Day September 7, 2026 (Mon) No School
NS: Veteran's Day November 11, 2026 (Wed) No School
NS: Thanksgiving Break November 26, 2026 - November 27, 2026 No School
NS: Christmas Break Begins December 23, 2026 - January 3, 2027 No School
NS: Good Friday March 26, 2027 (Fri) No School
NS: Easter Break March 29, 2027 (Mon) No School
Last Day of School May 26, 2027 (Wed) School Closes

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Extended Time Off

Window Date(s) Length
Student Holiday Window Oct 22–25, 2026Districtwide no-school: Oct 22–23, 2026 · Adjacent weekend: Oct 24–25, 2026 4 days
NS: Thanksgiving Break Window Nov 25–29, 2026Districtwide no-school: Nov 25–27, 2026 · Adjacent weekend: Nov 28–29, 2026 5 days
NS: Christmas Break Begins Window Dec 23, 2026–Jan 4, 2027Districtwide no-school: Dec 23, 2026–Jan 4, 2027 13 days
Student Holiday Window Mar 18–21, 2027Districtwide no-school: Mar 18–19, 2027 · Adjacent weekend: Mar 20–21, 2027 4 days
NS: Easter Break Window Mar 26–29, 2027Districtwide no-school: Mar 26, 2027; Mar 29, 2027 · Adjacent weekend: Mar 27–28, 2027 4 days

Other Important Dates

EventDate(s)
1st Quarter ends (Students using the quarter/semester grading schedule)October 16, 2026 (Fri)
1st Trimester ends (Students using the trimester grading schedule)November 13, 2026 (Fri)
2nd Quarter/Sem 1 ends (Students using the quarter/semester grading schedule)December 22, 2026 (Tue)
2nd Trimester ends (Students using the trimester grading schedule)February 26, 2027 (Fri)
3rd Quarter ends (Students using the quarter/semester grading schedule)March 12, 2027 (Fri)
3rd Trimester ends (Students using the trimester grading schedule)May 26, 2027 (Wed)
4th Quarter/Sem 2 ends (Students using the quarter/semester grading schedule)May 26, 2027 (Wed)

Central Cass School District 17 Calendar 2026-2027 northdakotaschoolcalendar.com

View the full 2026-2027 school year by month.

Monthly calendar12 months
School Day
Weekend
Holiday (No School)
School Break
First / Last Day

Central Cass School District 17

Central Cass School District 17 provides a comprehensive PreK–12 campus in Casselton, housing Central Cass Elementary (PreK–4), Middle School (grades 5–8), and High School (grades 9–12), featuring outdoor classroom arboretums and modern STEM labs.

Families manage registrations, student activity fees, and dining accounts through Infinite Campus. The district publishes distinct operating schedules for two-hour weather delays and early dismissals, assisting parents with winter transit planning.

Compared With Related Districts

Selected highlights from this district calendar and related district calendar pages.

Later regional start August 26, 2026

Central Cass School District 17 starts on this date; Carrington School District 49 (August 25, 2026) and Devils Lake Public Schools (August 20, 2026) use different first-day dates in the related calendar set.

Student-only planning days 10 items

Central Cass School District 17 lists 10 teacher, planning, or student-holiday items beyond the headline break periods.

Compare key dates with nearby districts

Choose one or two related districts to line up major planning dates with Central Cass School District 17.

Select at least one nearby district.

About This Calendar

Data Source: Central Cass School Calendar 2026-2027 — UPDATED 5/28 How we verify dates

Disclaimer: This website is not affiliated with Central Cass School District 17, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.