Custer School District 16-1 Calendar 2026-2027
Complete holiday schedule and key dates for Custer School District 16-1 for the 2026-2027 academic year. Official district website
School Year Timeline
Key Dates
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | August 25, 2026 (Tue) | School Opens |
| Labor Day | September 7, 2026 (Mon) | No School |
| Thanksgiving Break | November 25, 2026 - November 27, 2026 | No School |
| Spring Break | March 25, 2027 - March 29, 2027 | No School |
| Last Day of School | May 27, 2027 (Thu) | School Closes |
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Extended Time Off
| Window | Date(s) | Length |
|---|---|---|
| Labor Day Window | Sep 4–7, 2026Districtwide no-school: Sep 4, 2026; Sep 7, 2026 · Adjacent weekend: Sep 5–6, 2026 | 4 days |
| Thanksgiving Break Window | Nov 25–29, 2026Districtwide no-school: Nov 25–27, 2026 · Adjacent weekend: Nov 28–29, 2026 | 5 days |
| Student Holiday Window | Dec 18, 2026–Jan 4, 2027Districtwide no-school: Dec 18, 2026–Jan 1, 2027; Jan 4, 2027 · Adjacent weekend: Jan 2–3, 2027 | 18 days |
Other Important Dates
| Event | Date(s) |
|---|---|
| Quarter 1 ends | October 15, 2026 (Thu) |
| P/T Conferences CES/HES (Custer Elementary and Hermosa School students and families; 4–7:30 pm) | October 19, 2026 (Mon) |
| P/T Conferences Jr/Sr HS (Junior/Senior High School students and families; 4–7:30 pm) | October 26, 2026 (Mon) |
| Trimester 1 ends (Students following the trimester calendar) | November 19, 2026 (Thu) |
| Quarter 2 ends | December 17, 2026 (Thu) |
| Trimester 2 ends (Students following the trimester calendar) | February 18, 2027 (Thu) |
| Quarter 3 ends | March 11, 2027 (Thu) |
| P/T Conferences ALL Schools (All district students and families; 4–7:30 pm) | March 16, 2027 (Tue) |
| Graduation Day (Graduating students and families; 2:00 pm) | May 22, 2027 (Sat) |
| Quarter 4 ends | May 27, 2027 (Thu) |
| Trimester 3 ends (Students following the trimester calendar) | May 27, 2027 (Thu) |
Custer School District 16-1 Calendar 2026-2027 southdakotaschoolcalendar.com
View the full 2026-2027 school year by month.
Monthly calendar12 months
Custer School District 16-1
Custer School District 16-1 serves southern Black Hills communities across Hermosa School (grades PreK–8) and the Custer campus, housing Custer Elementary and Custer Junior/Senior High School.
Students participate in fine arts, career-technical student organizations, and varsity athletics. Families track student achievements and dining balances through the parent portal, consulting campus-specific event calendars for parent-teacher conferences and extracurricular schedules.
Compared With Related Districts
Selected highlights from this district calendar and related district calendar pages.
Custer School District 16-1 lists Student Holiday as 11 weekdays off. This named block is worth tracking separately for childcare, appointments, travel, and shared household calendars.
Custer School District 16-1 uses this Spring Break week, while Chester Area School District 39-1 (March 17, 2027 - March 19, 2027) and Dell Rapids School District 49-3 (April 23, 2027) use different windows in the related calendar set.
Custer School District 16-1 starts on this date; Chester Area School District 39-1 (August 19, 2026) and Dakota Valley School District 61-8 (August 18, 2026) use different first-day dates in the related calendar set.
Custer School District 16-1 lists 28 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 Custer School District 16-1.
Related Links
About This Calendar
Data Source: CUSTER SCHOOL DISTRICT SCHOOL CALENDAR: 2026-27 — last revised 6/1/26 How we verify dates
Disclaimer: This website is not affiliated with Custer School District 16-1, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.