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 – May 31, 2026
169 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
June 5, 2026
ACT
June 6, 2026
SAT — National
June 8, 2026
ACT Photo Upload/Standby Deadline
June 13, 2026
ACT — National
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
State Assessments
February 2, 2026 – June 12, 2026
Oregon Statewide Assessment System — OSAS
School Milestones
June 2, 2026 – June 11, 2026
Graduation
June 4, 2026
School End/Summer Start
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