Spearfish High School - 01School Calendar

2026-27 Academic Calendar

Key dates, holidays, and events for Spearfish High School - 01.

School at a Glance
Upcoming events & academic holidays
2026-27 Academic Year

AUG

24

STAFF IN-SERVICE

AUG

25

STAFF IN-SERVICE

AUG

26

STAFF IN-SERVICE

AUG

27

FIRST DAY OF SCHOOL

SEP

7

No School
LABOR DAY - NO SCHOOL

SEP

25

No School
STAFF IN-SERVICE-NO SCHOOL

OCT

5

MIDDLE SCHOOL P/T CONFERENCES

OCT

7

EARLY RELEASE - STAFF PD

OCT

7

HIGH SCHOOL P/T CONFERENCES

OCT

7

MIDDLE SCHOOL P/T CONFERENCES

OCT

12

No School
NATIVE AMERICAN DAY - NO SCHOOL

OCT

19

ELEM. P/T CONFERENCES

OCT

23

No School
FALL BREAK - NO SCHOOL

OCT

30

END OF 1ST QUARTER

NOV

4

EARLY RELEASE - STAFF PD

NOV

20

END OF 1ST TRIMESTER

NOV

25

THANKSGIVING BREAK

NOV

27

THANKSGIVING BREAK

DEC

2

EARLY RELEASE - STAFF PD

DEC

21

CHRISTMAS BREAK

JAN

1

CHRISTMAS BREAK

JAN

4

SCHOOL RESUMES

JAN

15

END OF 2ND QUARTER/1ST SEMESTER

JAN

18

No School
MLK DAY - NO SCHOOL

JAN

19

START OF 2ND SEMESTER

FEB

3

EARLY RELEASE - STAFF PD

FEB

12

No School
STAFF IN-SERVICE - NO SCHOOL

FEB

15

No School
PRESIDENTS' DAY - NO SCHOOL

MAR

3

EARLY RELEASE - STAFF PD

MAR

3

ELEM. P/T CONFERENCES

MAR

3

HIGH SCHOOL P/T CONFERENCES

MAR

3

MIDDLE SCHOOL P/T CONFERENCES

MAR

5

END OF 2ND TRIMESTER

MAR

11

SPRING BREAK

MAR

12

SPRING BREAK

MAR

25

END OF 3RD QUARTER

MAR

26

EASTER BREAK

APR

7

EARLY RELEASE-STAFF PD

MAY

5

EARLY RELEASE - STAFF PD

MAY

22

GRADUATION

MAY

26

K-SCREENING

MAY

28

LAST DAY OF SCHOOL - EARLY RELEASE

MAY

31

No School
MEMORIAL DAY - NO SCHOOL
View Full 2026-27 Calendar
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!
Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Spearfish High School - 01.

National Tests

August 7, 2026

SAT — National

Registration deadline

August 11, 2026

SAT — National

Late registration deadline

August 14, 2026

ACT — National

Registration deadline

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline
+63 more national tests this school year

State Assessments

January 25, 2027 – February 26, 2027

SD English Language Proficiency Assessment (ACCESS 2.0)

Testing window
SD

March 9, 2027 – April 16, 2027

SD-ACT

Testing window
SD
See the full national test & school calendar