Greendale High
#10
Best ACT in Wisconsin High Schools
932
Students
15.4:1
S:T Ratio
School Snapshot
Key metrics at a glance25
A-
22
A+
22%
C
15:1
B+
This Week at Greendale High – May 14, 2026
120 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Greendale High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Greendale High.
National Tests
April 21, 2026 – May 29, 2026
ACT — School Day - Late Spring Online
May 5, 2026 – May 19, 2026
ACT — School Day - Late Spring Paper
May 14, 2026
AP Art History
May 14, 2026
AP Computer Science Principles
May 14, 2026
AP Physics C: Electricity and Magnetism
May 14, 2026
AP Spanish Language and Culture
School Milestones
May 21, 2026 – May 29, 2026
School End/Summer Start
May 28, 2026
School End/Summer Start
May 29, 2026 – June 15, 2026
Graduation
June 4, 2026
School End/Summer Start
June 5, 2026 – June 15, 2026
School End/Summer Start
October 15, 2026
Homeschool PI-1206 Form Due
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6801 Southway, Greendale, WI 53129
(414)423-0110
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Greendale School District
Academic Calendar
Important dates, holidays, and school events