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Lost River High School

Q: Is Lost River High School a good school?

Lost River High School ranks 45 th of 270 Oregon high schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades 7-12

45^th

SchoolDigger Rank ?

of 270 Oregon High Schools

Better than 83% of Oregon high schools

Summary

Lost River High School is a public high school located in Merrill, Oregon, serving grades 7-12 with a total enrollment of 240 students. The school is part of the Klamath County School District, which is ranked 78 out of 140 districts in Oregon and has a 2-star rating from SchoolDigger.

Lost River High School stands out for its strong academic performance, consistently ranking in the top half of Oregon high schools. In the 2024-2025 school year, 76.7% of 11th-grade students were proficient or better in English Language Arts (ELA), significantly higher than the Klamath County School District (60.4%) and the state of Oregon (44.4%). The school also outperforms the district and state in mathematics and science. Additionally, Lost River High School has particularly strong performance among specific student subgroups, such as Hispanic, White, and low-income students.

While Lost River High School outperforms the nearby Bonanza Junior/Senior High School on most academic metrics, it lags behind the higher-performing Henley High School, which ranks 9th out of 270 Oregon high schools in 2024-2025. However, Lost River High School spends more per student and has a lower student-teacher ratio than Henley High School, which may contribute to its strong academic outcomes, particularly among its high-need student populations.

242

Students ?

16.1

Student/teacher ratio ?

$23,050

Per pupil spending ?

91.7%

Free/discounted lunch ?

23330 Hwy 50
Merrill, OR 97633-9706

(541) 798-5666

District: Klamath County School District

Feeder schools for Lost River High School:

Elementary:	Malin Elementary School
	Merrill Elementary School

Racial breakdown:

Hispanic:

52.5%

White:

44.6%

Two or more races:

2.5%

See top rated Oregon high schools

Compare Lost River High School to nearby high schools!

At a glance

▲ Ranking trend: Improving — 29th percentile in 2014 → 83rd in 2025

Strengths

✓Test scores above the Oregon average (44% vs 34% meeting standards)

✓Ranks in the top 17% of Oregon high schools

✓97% graduate in 4 years — above the Oregon average (83%)

Students meeting standards (2024-2025) ?

This school44%

District avg32%

Oregon avg34%

Middle school

112^th of 368

Oregon public middle schools ?

Top 30%▲ up 56 pts since 2015

From bottom 13% (2015) to top 30% (2025)

See the entire ranking list of Oregon Middle Schools →

★★★★★

SchoolDigger rating ?

High school

45^th of 270

Oregon public high schools ?

Top 17%▲ up 37 pts since 2015

From bottom 46% (2015) to top 17% (2025)

See the entire ranking list of Oregon High Schools →

★★★★★

SchoolDigger rating ?

2^nd of 6High Schools in the Klamath County School District

78^th of 140Klamath County School District among Oregon districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	62.2	112 of 368	69.6%	★★★☆☆
2024	46.3	177 of 371	52.3%	★★★☆☆
2023	39.1	208 of 380	45.3%	★★☆☆☆
2022	43.6	193 of 367	47.4%	★★☆☆☆
2019	48.8	180 of 379	52.5%	★★★☆☆
2018	44.4	214 of 384	44.3%	★★☆☆☆
2017	61.1	128 of 382	66.5%	★★★☆☆
2016	43.7	222 of 383	42.0%	★★☆☆☆
2015	19.6	331 of 381	13.1%	★☆☆☆☆
2014	11.0	366 of 382	4.2%	☆☆☆☆☆
2013	28.7	296 of 377	21.5%	★☆☆☆☆
2012	50.2	213 of 395	46.1%	★★☆☆☆
2011	55.0	162 of 357	54.6%	★★★☆☆
2010	22.3	303 of 343	11.7%	★☆☆☆☆
2009	27.1	263 of 323	18.6%	★☆☆☆☆
2008	33.0	243 of 315	22.9%	★☆☆☆☆
2007	7.7	289 of 295	2.0%	☆☆☆☆☆
2006	6.3	279 of 285	2.1%	☆☆☆☆☆
2005	7.0	267 of 271	1.5%	☆☆☆☆☆
2004	6.6	262 of 270	3.0%	☆☆☆☆☆

Female

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	67.8	80 of 316	74.7%	★★★★☆
2024	59.8	101 of 313	67.7%	★★★☆☆
2023	44.3	164 of 323	49.2%	★★☆☆☆
2022	46.9	150 of 310	51.6%	★★★☆☆
2019	53.2	122 of 277	56.0%	★★★☆☆
2018	53.7	151 of 342	55.8%	★★★☆☆

Hispanic

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	82.0	19 of 196	90.3%	★★★★★
2024	57.5	53 of 196	73.0%	★★★★☆
2023	61.8	50 of 201	75.1%	★★★★☆
2022	57.9	49 of 194	74.7%	★★★★☆
2019	75.2	26 of 191	86.4%	★★★★☆
2018	59.4	58 of 210	72.4%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	86.8	9 of 240	96.3%	★★★★★
2024	59.2	66 of 244	73.0%	★★★★☆
2023	61.3	88 of 312	71.8%	★★★★☆
2022	43.8	190 of 364	47.8%	★★☆☆☆
2019	74.9	32 of 282	88.7%	★★★★☆
2018	66.2	67 of 325	79.4%	★★★★☆

Male

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	54.1	124 of 330	62.4%	★★★☆☆
2024	34.7	207 of 323	35.9%	★★☆☆☆
2023	37.3	188 of 318	40.9%	★★☆☆☆
2022	39.7	170 of 312	45.5%	★★☆☆☆
2019	40.9	167 of 291	42.6%	★★☆☆☆
2018	41.3	206 of 341	39.6%	★★☆☆☆

Migrant

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	98.6	1 of 25	96.0%	★★★★★
2024	71.9	2 of 26	92.3%	★★★★★
2023	59.8	3 of 23	87.0%	★★★★★

White

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	60.2	122 of 351	65.2%	★★★☆☆
2024	55.6	136 of 349	61.0%	★★★☆☆
2023	48.6	164 of 360	54.4%	★★★☆☆
2022	53.5	147 of 355	58.6%	★★★☆☆
2019	46.8	176 of 344	48.8%	★★☆☆☆
2018	54.6	153 of 357	57.1%	★★★☆☆

High school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	77.6	45 of 270	83.3%	★★★★☆
2024	59.3	89 of 268	66.8%	★★★☆☆
2023	61.9	78 of 258	69.8%	★★★★☆
2022	43.3	134 of 241	44.4%	★★☆☆☆
2019	46.9	139 of 266	47.7%	★★☆☆☆
2018	46.0	159 of 283	43.8%	★★☆☆☆
2017	26.1	226 of 283	20.1%	★☆☆☆☆
2016	59.9	115 of 292	60.6%	★★★☆☆
2015	47.6	158 of 292	45.9%	★★☆☆☆
2014	40.4	213 of 301	29.2%	★☆☆☆☆
2013	40.6	216 of 303	28.7%	★☆☆☆☆
2012	43.5	207 of 308	32.8%	★★☆☆☆
2011	24.3	250 of 299	16.4%	★☆☆☆☆
2010	27.7	229 of 285	19.6%	★☆☆☆☆
2009	16.2	229 of 263	12.9%	★☆☆☆☆
2008	18.8	219 of 249	12.0%	★☆☆☆☆
2007	25.8	202 of 244	17.2%	★☆☆☆☆
2006	8.2	223 of 235	5.1%	☆☆☆☆☆
2005	39.0	158 of 231	31.6%	★★☆☆☆
2004	26.2	186 of 225	17.3%	★☆☆☆☆

Female

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	77.5	37 of 211	82.5%	★★★★☆
2024	63.9	61 of 213	71.4%	★★★★☆
2023	57.7	67 of 200	66.5%	★★★☆☆
2022	41.1	116 of 194	40.2%	★★☆☆☆
2019	42.3	130 of 199	34.7%	★★☆☆☆
2018	50.0	131 of 251	47.8%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	78.2	17 of 138	87.7%	★★★★☆
2024	79.2	20 of 132	84.8%	★★★★☆
2023	69.3	26 of 134	80.6%	★★★★☆
2022	53.5	41 of 123	66.7%	★★★☆☆
2019	38.2	94 of 144	34.7%	★★☆☆☆
2018	54.1	61 of 156	60.9%	★★★☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	69.0	28 of 166	83.1%	★★★★☆
2024	77.4	26 of 170	84.7%	★★★★☆
2023	74.0	35 of 224	84.4%	★★★★☆
2022	43.6	133 of 241	44.8%	★★☆☆☆
2019	64.5	67 of 229	70.7%	★★★★☆
2018	64.0	78 of 254	69.3%	★★★★☆

Male

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	75.5	40 of 237	83.1%	★★★★☆
2024	55.7	80 of 216	63.0%	★★★☆☆
2023	65.8	64 of 214	70.1%	★★★★☆
2022	45.4	97 of 200	51.5%	★★★☆☆
2019	51.1	102 of 206	50.5%	★★★☆☆
2018	39.3	163 of 250	34.8%	★★☆☆☆

Migrant

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	70.9	4 of 16	75.0%	★★★★☆
2024	94.9	1 of 17	94.1%	★★★★★
2023	58.2	8 of 20	60.0%	★★★☆☆

White

Year	Avg score	Statewide rank	Oregon percentile	Rating
2025	93.6	11 of 250	95.6%	★★★★★
2024	49.2	113 of 244	53.7%	★★★☆☆
2023	66.8	68 of 237	71.3%	★★★★☆
2022	49.0	112 of 228	50.9%	★★★☆☆
2019	76.9	43 of 245	82.4%	★★★★☆
2018	58.2	112 of 266	57.9%	★★★☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Middle school

Low Socio Economic Status (2025)96th percentile+27 vs school

Migrant (2025)96th percentile+26 vs school

Hispanic (2025)90th percentile+21 vs school

Female (2025)75th percentile+5 vs school

White (2025)65th percentile-4 vs school

Male (2025)62nd percentile-7 vs school

High school

White (2025)96th percentile+12 vs school

Hispanic (2025)88th percentile+4 vs school

Low Socio Economic Status (2025)83rd percentile~ school

Male (2025)83rd percentile~ school

Female (2025)82nd percentile~ school

Migrant (2025)75th percentile-8 vs school

By subject vs Oregon (2024-2025) ?

English Language Arts59%+15 vs state

Science36%+6 vs state

Mathematics35%+7 vs state

★

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Schools Near Lost River High School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				OSAS English Language Arts (2025)			OSAS Mathematics (2025)			OSAS Science (2025)		Per Pupil Expenditures (2023)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	OSAS English Language Arts 7th Grade	OSAS English Language Arts 8th Grade	OSAS English Language Arts 11th Grade	OSAS Mathematics 7th Grade	OSAS Mathematics 8th Grade	OSAS Mathematics 11th Grade	OSAS Science 8th Grade	OSAS Science 11th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Lost River High School	Public	7-12	23330 Hwy 50	Merrill	97633	Klamath County	Klamath County School District	No	(n/a)	No	Yes	(541) 798-5666	242	15	16.1	91.7%	108 (44.6%)	0 (0.0%)	127 (52.5%)	0 (0.0%)	1 (0.4%)	0 (0.0%)	6 (2.5%)	77.6	45^th of 270 public high schools	83.3%		59.3	89^th of 268 public high schools	66.8%	44	46.3	51.3	76.7	34.1	43.6	26.8	30.8	40.5	$23,050	$1,654	$21,396
Henley High School	Public	9-12	8245 Hwy 39	Klamath Falls	97603	Klamath County	Klamath County School District	No	(n/a)	No	No	(541) 883-5040	720	38	19.1	92.2%	516 (71.7%)	4 (0.6%)	122 (16.9%)	9 (1.3%)	20 (2.8%)	0 (0.0%)	49 (6.8%)	97.7	9^th of 270 public high schools	96.7%		92.9	13^th of 268 public high schools	95.1%	4			81.5			45.6		66.3	$18,911	$1,679	$17,232
Bonanza Junior/Senior High School	Public	7-12	31610 Mission St	Bonanza	97623	Klamath County	Klamath County School District	No	(n/a)	No	Yes	(541) 545-6581	222	16	14.3	94.1%	148 (66.7%)	1 (0.5%)	45 (20.3%)	3 (1.4%)	8 (3.6%)	0 (0.0%)	15 (6.8%)	13.4	245^th of 270 public high schools	9.3%		27.1	201^st of 268 public high schools	25.0%	44	12.9	5.1	22.2	17.2		7.1		15.4	$24,599	$3,694	$20,905
Mazama High School	Public	9-12	3009 Summers Ln	Klamath Falls	97603	Klamath County	Klamath County School District	No	(n/a)	No	Yes	(541) 883-5024	690	44	15.5	92.5%	421 (61.0%)	6 (0.9%)	176 (25.5%)	8 (1.2%)	33 (4.8%)	2 (0.3%)	43 (6.2%)	64.5	75^th of 270 public high schools	72.2%		38.7	159^th of 268 public high schools	40.7%	84			54.1			16.7		48.6	$22,106	$2,769	$19,337
Klamath Learning Center	Public, Virtual	9-12	2856 Eberlein Ave	Klamath Falls	97603	Klamath County	Klamath Falls City Schools	No	(n/a)	Yes	No	(541) 883-4719	180	5	36.0	112.2%	99 (55.0%)	3 (1.7%)	44 (24.4%)	0 (0.0%)	5 (2.8%)	1 (0.6%)	26 (14.4%)	27.1	203^rd of 270 public high schools	24.8%		11.3	252^nd of 268 public high schools	6.0%	49			25.5			15.0		26.1	$10,154	$2,933	$7,220

Frequently Asked Questions about Lost River High School

What is the racial makeup of Lost River High School?

Students at Lost River High School are 52% Hispanic, 45% White, 2% Two or more races.

What district is Lost River High School in?

Klamath County School District

What schools feed into Lost River High School?

Lost River High School is fed by the following schools:

Elementary : Malin Elementary School
Elementary : Merrill Elementary School

How many students attend Lost River High School?

In the 2024-25 school year, 242 students attended Lost River High School.

Is Lost River High School a good school?

Lost River High School ranks 45^th of 270 Oregon high schools. SchoolDigger rates this school 4 stars out of 5.

Rate Lost River High School!

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Oregon Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.