2026-27 Academic Calendar
Key dates, holidays, and events for Guilderland High School.
School at a Glance
Upcoming events & academic holidaysNOV
3
Superintendent’s Conference Day
NOV
8
Diwali
NOV
11
Veterans Day
NOV
25
Thanksgiving Recess
DEC
24
Winter Recess
JAN
1
Winter Recess
JAN
18
Martin Luther King Jr. Day Holiday
FEB
6
Lunar New Year
FEB
15
February Recess
FEB
15
Presidents’ Day Holiday
MAR
10
Eid al-Fitr/Superintendent’s Conference Day
MAR
26
Good Friday Holiday
MAR
29
Spring Recess
MAY
28
Contingent Holiday
MAY
31
Memorial Day Holiday
JUN
19
Juneteenth
JUN
25
Last Day of School/H.S. Graduation
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Guilderland High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 24, 2026 – October 28, 2026
TACHS — Registration
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
October 1, 2026 – October 30, 2026
PSAT/NMSQT — Fall
October 1, 2026 – October 30, 2026
SAT — School Day - Fall
State Assessments
January 26, 2027 – January 29, 2027
New York Regents — January 2027
February 1, 2027 – April 9, 2027
WIDA ACCESS
February 1, 2027 – April 9, 2027
WIDA Alternate ACCESS
March 8, 2027 – June 11, 2027
NYSAA
April 5, 2027 – May 14, 2027
New York State Assessments — Grades 3-8
June 15, 2027 – June 25, 2027
New York Regents — June 2027