Lake Oswego Senior High School
#1
Best ACT in Oregon High Schools
1,245
Students
19.2:1
S:T Ratio
School Snapshot
Key metrics at a glance1,350
A
31
A+
23
A+
34%
C+
19:1
B-
95%
A+
77%
A-
54%
B
This Week at Lake Oswego Senior – August 24, 2026
158 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Lake Oswego Senior High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Lake Oswego Senior High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
September 4, 2026
SAT — National
State Assessments
January 12, 2027 – April 9, 2027
ELPA — Summative
February 2, 2027 – June 11, 2027
SBAC — English Language Arts, Mathematics, Science
After Lake Oswego Senior High
Where graduates go and what they studyUniversity of Oregon
Oregon State University
University of Washington
University of California - Los Angeles
University of Southern California
University of California - Santa Barbara
Stanford University
Cal Poly
Business
Biology
Psychology
Computer Science
Marketing
Pre-Medicine Studies
Political Science and Government
Economics
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2501 Sw Country Club Rd, Lake Oswego, OR 97034
(503)534-2313
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Lake Oswego School District