Mechanicsburg Area SHSSchool Calendar

2026-27 Academic Calendar

Key dates, holidays, and events for Mechanicsburg Area SHS.

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

JAN

1

No School
Schools Closed

JAN

12

End of Marking Period 2 (Grades 6-12)

JAN

13

Staff Only (Grades 6-12), school in session for Grades K-5

APR

23

No School
Schools Closed

MAY

28

Last Day of School for Students/Early Dismissal
View Full 2026-27 Calendar
Calendar 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 Mechanicsburg Area SHS.

National Tests

August 1, 2026 – November 30, 2026

ISEE — Fall Testing Season

Testing window

August 3, 2026 – June 30, 2027

SSAT — Flex Testing

Testing window

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

September 1, 2026

SAT — National

Late registration deadline
+76 more national tests this school year

State Assessments

December 7, 2026 – December 18, 2026

Keystone Exams — Algebra I

Testing window
PA

December 7, 2026 – December 18, 2026

Keystone Exams — Literature

Testing window
PA

December 7, 2026 – December 18, 2026

Keystone Exams — Biology

Testing window
PA

January 4, 2027 – January 15, 2027

Keystone Exams — Algebra I

Testing window
PA

January 4, 2027 – January 15, 2027

Keystone Exams — Literature

Testing window
PA

January 4, 2027 – January 15, 2027

Keystone Exams — Biology

Testing window
PA
+5 more state assessments this school year
See the full national test & school calendar