Lost River High School
228
Students
16.3:1
S:T Ratio
School Snapshot
Key metrics at a glance980
B-
16:1
B
90%
A+
48%
B-
29%
C
This Week at Lost River – May 30, 2026
37 students practicing on Varsity Tutors
Academic Grades
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Academic Resources
Typical courses and practice resources for students at Lost River High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Lost River High School.
National Tests
May 16, 2026 – May 30, 2026
SAT Score Release Date
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
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 Lost River High
Where graduates go and what they studyOregon Institute of Technology
Oregon State University
University of Oregon
Klamath Community College
Portland State University
George Fox University
Linfield University
Boise State University
Psychology
Nursing
Biology
Kinesiology and Exercise Science
Agricultural Business
Dental Hygiene
Agriculture
Business
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23330 Hwy 50, Merrill, OR 97633
(541)798-5666
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Klamath County School District