2026-27 Academic Calendar
Key dates, holidays, and events for Sheridan High School.
School at a Glance
Upcoming events & academic holidaysOCT
12
Teacher In-Service (NO SCHOOL)
OCT
27
K-12 Parent Teacher Conferences
OCT
28
K-12 Parent Teacher Conferences
OCT
29
Early Dismissal
OCT
30
NO SCHOOL
NOV
25
Thanksgiving Break
NOV
27
Thanksgiving Break
DEC
21
Winter Break
JAN
1
Winter Break
JAN
18
Teacher In-Service (NO SCHOOL)
FEB
16
K-12 Parent Teacher Conferences
FEB
17
K-12 Parent Teacher Conferences
FEB
18
Early Dismissal
FEB
19
NO SCHOOL
MAR
15
Spring Break
MAR
19
Spring Break
MAR
26
Good Friday (Early Dismissal)
MAY
27
School Ends
MAY
28
John C. Schiffer Graduation
MAY
30
SHS Graduation
JUN
1
Snow Days
JUN
2
Snow Days
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Sheridan High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
September 22, 2026
SAT — National
September 25, 2026
SAT — National
September 29, 2026
ACT — National
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
State Assessments
September 8, 2026 – October 2, 2026
WY-TOPP Interim — Fall - ELA
September 8, 2026 – October 2, 2026
WY-TOPP Interim — Fall - Math
January 12, 2027 – February 5, 2027
WY-TOPP Interim — Winter - ELA
January 12, 2027 – February 5, 2027
WY-TOPP Interim — Winter - Math