Henry Perrine Baldwin High School
#6
Best ACT in Hawaii High Schools
1,338
Students
17.6:1
S:T Ratio
School Snapshot
Key metrics at a glance1,160
B+
23
B+
17
A
15%
C
18:1
B
86%
A
This Week at Henry Perrine Baldwin – August 18, 2026
176 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Henry Perrine Baldwin High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Henry Perrine Baldwin High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 22, 2026
SAT — National
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
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1650 Kaahumanu Ave, Wailuku, HI 96793
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Hawaii Department of Education
Academic Calendar
Important dates, holidays, and school events