Lost River High School
🇺🇸 Official data · 2025Merrill, Oregon 97633 · Klamath County SD
#87 of 215 high schools in Oregon
#9918 of 16,910 nationally
About Lost River High School
Lost River High School is a public high located in Merrill, in the Klamath County SD school district of Oregon, United States. It caters for Grades 7–12. In 2025 it enrolled 242 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 44.1 out of 100, placing it in the lower 50% of high schools in United States and 87th of 215 ranked high schools in Oregon. Its strongest component is reading proficiency (62th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (13th percentile).
Other published figures: enrollment 242.
There are 2 schools in Merrill; Lost River High School ranks 1st of 2 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)62%
- Community advantage (fewer free/reduced-price lunch) (25%)91.7%
- Students per teacher (15%)16.1
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Lost River High School by the official sources.
- Enrollment
- 242
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 91.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 16.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Lost River High School
Closest schools by straight-line distance, with their Success Index (US).
Tulelake Basin Elementary
Tulelake · Public elementary · Grades K–6
270 students · 7.1 km away
Malin Elementary School
Malin · Public elementary · Grades K–6
126 students · 7.6 km away
Tulelake High
Tulelake · Public high · Grades 7–12
209 students · 7.7 km away
Merrill Elementary School
Merrill · Public elementary · Grades K–6
184 students · 8.4 km away
Similar schools
Public high schools in Oregon with a comparable Enrollment.
Central Linn High School
Halsey · Public high · Grades 7–12
243 students
Neah-Kah-Nie High School
Rockaway Beach · Public high · Grades 9–12
244 students
Jefferson High School
Jefferson · Public high · Grades 9–12
245 students
Gaston Jr/Sr High School
Gaston · Public high · Grades 7–12
246 students
Lakeview Senior High School
Lakeview · Public high · Grades 9–12
235 students
Academy of Arts and Academics
Springfield · Public high · Grades 9–12
231 students
Frequently asked questions
Is Lost River High School a good school?
Lost River High School has a Success Index (US) of 44.1 out of 100 (Lower 50% of high schools in United States) and ranks #87 of 215 in Oregon. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Lost River High School rank in Oregon?
Lost River High School ranks #87 of 215 high schools in Oregon and #9918 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Lost River High School?
Lost River High School had 242 students in 2025.
Is Lost River High School a elementary school or a high school?
Lost River High School is classified as a high covering Grades 7–12. It is a public school.
What other schools are near Lost River High School?
There are 4 schools within 15 km of Lost River High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.