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Three Rivers Charter School

Q: Is Three Rivers Charter School a good school?

Three Rivers Charter School ranks 52 nd of 371 Oregon middle schools. SchoolDigger rates this school 4 stars out of 5.

Public, Charter Grades 4-8

52^nd

SchoolDigger Rank ?

of 371 Oregon Middle Schools

Better than 86% of Oregon middle schools

Summary

Three Rivers Charter School is a small charter middle school in West Linn, Oregon, serving grades 4–8 with 108 students in the highly ranked West Linn-Wilsonville School District 3J, where nearby middle schools generally serve grades 6–8 and enroll 368 to 1,006 students. In 2025–2026, it ranked 52nd of 371 Oregon middle schools—86th percentile, 4 stars—after being #1 in Oregon in 2021–2022 and consistently top 1–3% from 2014–15 through 2021–22. The recent ranks, 48th of 368 in 2024–25 and 52nd of 371 in 2025–26, show a shift from elite top-tier status to very strong but less dominant performance.

Academically, the school remains above district and state averages: 64.2% proficient in ELA, 56.6% in math, and 53.8% in science. It leads same-district peers in math and science, beating Rosemont Ridge Middle School, Meridian Creek Middle School, and Athey Creek Middle School, though Lakeridge Middle School, Lake Oswego Middle School, and Jackson Middle School still score higher in all three subjects. Because the school serves grades 4–8 while nearby schools serve 6–8, its all-grade results include standout 4th-grade math (82.4%), 5th-grade ELA (75.0%), and 8th-grade ELA (73.3%); the 8th-grade ELA score is higher than every nearby middle school’s 8th-grade ELA score. The main soft spot is 6th- and 7th-grade ELA, which is below district averages but still above state averages.

The school spends $5,827 per student in 2024–25, far below the nearby range of $16,591–$22,251, and its student-teacher ratio rose to 20.5 from 15.1 in 2023–24. Chronic absenteeism has been a major strength: 11.1% in 2023–24, versus 27.0% district and 34.3% state, with the 2024–25 school value not available. Subgroup data is sparse because of the school’s small size, but reported male and female students ranked in the top 15–22% statewide, and its one reported low-socioeconomic-status subgroup was 1st in Oregon in 2021–22. Overall, this is a small, high-performing charter school with strong math/science results, unusually low spending, and excellent attendance; parents should watch the recent rank slide, uneven middle-grade ELA, and limited subgroup data.

108

Students ?

20.5

Student/teacher ratio ?

$5,827

Per pupil spending ?

4.5%

Directly certified for free meals (2021-22) ?

91.6%

Students (K-12) with all required vaccines (2025-26)

Exemptions: 8.4% (any vaccine)

2565 SW Ek Rd
West Linn, OR 97068-9728

(503) 673-7850

District: West Linn-Wilsonville School District 3J

Racial breakdown:

White:

60.2%

Two or more races:

15.7%

Asian:

13.0%

See top rated Oregon middle schools

Compare Three Rivers Charter School to nearby middle schools!

At a glance

▼ Ranking trend: Declining — 99th percentile in 2015 → 86th in 2026

Strengths

✓Test scores above the Oregon average (59% vs 37% meeting standards)

✓Ranks in the top 14% of Oregon middle schools

Worth a look

!Ranking has slipped — down 13 percentile points since 2015

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2025-2026) ?

This school59%

District avg53%

Oregon avg37%

Elementary school

67^th of 709

Oregon public elementary schools ?

Top 9%▼ down 8 pts since 2016

From top 2% (2016) to top 9% (2026)

See the entire ranking list of Oregon Elementary Schools →

★★★★★

SchoolDigger rating ?

Middle school

52^nd of 371

Oregon public middle schools ?

Top 14%▼ down 12 pts since 2016

From top 2% (2016) to top 14% (2026)

See the entire ranking list of Oregon Middle Schools →

★★★★★

SchoolDigger rating ?

2^nd of 5Middle Schools in the West Linn-Wilsonville School District 3J

7^th of 141West Linn-Wilsonville School District 3J 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)

Elementary school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	87.7	67 of 709	90.6%	★★★★★
2025	77.5	130 of 706	81.6%	★★★★☆
2024	90.0	57 of 710	92.0%	★★★★★
2023	85.1	88 of 706	87.5%	★★★★☆
2022	95.3	31 of 706	95.6%	★★★★★
2019	97.5	8 of 705	98.9%	★★★★★
2018	98.7	1 of 709	99.9%	★★★★★
2017	98.5	2 of 701	99.7%	★★★★★
2016	96.6	11 of 697	98.4%	★★★★★
2015	95.0	23 of 706	96.7%	★★★★★
2014	95.0	6 of 695	99.1%	★★★★★
2013	96.3	2 of 707	99.7%	★★★★★
2012	94.4	10 of 730	98.6%	★★★★★
2011	92.8	1 of 695	99.9%	★★★★★
2010	88.6	20 of 674	97.0%	★★★★★
2009	90.8	2 of 665	99.7%	★★★★★
2008	92.6	1 of 655	99.8%	★★★★★
2007	94.8	2 of 652	99.7%	★★★★★
2006	88.0	1 of 636	99.8%	★★★★★
2005	91.1	1 of 629	99.8%	★★★★★
2004	89.4	11 of 586	98.1%	★★★★★

Female

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	94.2	28 of 655	95.7%	★★★★★
2025	72.4	142 of 653	78.3%	★★★★☆
2024	88.2	60 of 658	90.9%	★★★★★
2023	86.3	65 of 652	90.0%	★★★★★
2022	87.3	61 of 646	90.6%	★★★★★
2018	97.8	1 of 681	99.9%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	Oregon percentile	Rating
2022	95.4	29 of 703	95.9%	★★★★★

Male

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	77.0	124 of 657	81.1%	★★★★☆
2025	73.3	144 of 664	78.3%	★★★★☆
2024	83.6	81 of 662	87.8%	★★★★☆
2023	85.8	74 of 665	88.9%	★★★★☆
2022	96.3	17 of 654	97.4%	★★★★★
2019	95.6	15 of 623	97.6%	★★★★★
2018	98.3	3 of 680	99.6%	★★★★★

White

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	73.9	143 of 670	78.7%	★★★★☆
2025	55.7	264 of 669	60.5%	★★★☆☆
2024	76.0	132 of 670	80.3%	★★★★☆
2023	74.9	132 of 656	79.9%	★★★★☆
2022	87.9	51 of 666	92.3%	★★★★★
2019	95.3	6 of 662	99.1%	★★★★★
2018	94.6	11 of 683	98.4%	★★★★★

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	79.5	52 of 371	86.0%	★★★★☆
2025	81.8	48 of 368	87.0%	★★★★☆
2024	95.7	13 of 371	96.5%	★★★★★
2023	98.0	8 of 380	97.9%	★★★★★
2022	99.4	1 of 367	99.7%	★★★★★
2019	99.0	3 of 379	99.2%	★★★★★
2018	98.1	4 of 384	99.0%	★★★★★
2017	96.6	12 of 382	96.9%	★★★★★
2016	96.7	9 of 383	97.7%	★★★★★
2015	98.4	4 of 381	99.0%	★★★★★
2014	96.4	3 of 382	99.2%	★★★★★
2013	89.3	19 of 377	95.0%	★★★★★
2012	94.1	11 of 395	97.2%	★★★★★
2011	94.9	2 of 357	99.4%	★★★★★
2010	93.0	3 of 343	99.1%	★★★★★
2009	93.0	5 of 323	98.5%	★★★★★
2008	96.0	1 of 315	99.7%	★★★★★
2007	96.2	2 of 295	99.3%	★★★★★
2006	94.6	4 of 285	98.6%	★★★★★
2005	95.6	6 of 271	97.8%	★★★★★
2004	93.7	11 of 270	95.9%	★★★★★

Female

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	70.0	70 of 321	78.2%	★★★★☆
2025	71.9	70 of 316	77.8%	★★★★☆
2018	94.5	10 of 342	97.1%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	Oregon percentile	Rating
2022	99.4	1 of 364	99.7%	★★★★★

Male

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	80.4	48 of 327	85.3%	★★★★☆
2025	89.3	29 of 330	91.2%	★★★★★
2024	96.7	9 of 323	97.2%	★★★★★
2023	97.6	7 of 318	97.8%	★★★★★
2022	99.5	1 of 312	99.7%	★★★★★
2018	97.8	4 of 341	98.8%	★★★★★

White

Year	Avg score	Statewide rank	Oregon percentile	Rating
2026	60.1	115 of 354	67.5%	★★★☆☆
2025	55.2	135 of 351	61.5%	★★★☆☆
2024	82.6	43 of 349	87.7%	★★★★☆
2023	90.9	26 of 360	92.8%	★★★★★
2022	96.6	6 of 355	98.3%	★★★★★
2019	96.9	5 of 344	98.5%	★★★★★
2018	97.2	4 of 357	98.9%	★★★★★

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)

Elementary school

Low Socio Economic Status (2022)96th percentile~ school

Female (2026)96th percentile+5 vs school

Male (2026)81st percentile-9 vs school

White (2026)79th percentile-12 vs school

Middle school

Low Socio Economic Status (2022)100th percentile~ school

Male (2026)85th percentile~ school

Female (2026)78th percentile-8 vs school

White (2026)68th percentile-18 vs school

By subject vs Oregon (2025-2026) ?

English Language Arts64%+20 vs state

Mathematics57%+24 vs state

Science54%+23 vs state

★

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Schools Near Three Rivers Charter School

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Ranking:

E Elementary M Middle H High A Alternative P Private

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

School													Students/Teachers											Ranking (2026)				Ranking (2025)				OSAS English Language Arts (2026)						OSAS Mathematics (2026)						OSAS Science (2026)			Vaccination (2025-26)		Per Pupil Expenditures (2025)
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/reduced lunch (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	OSAS English Language Arts 4th Grade	OSAS English Language Arts 5th Grade	OSAS English Language Arts 6th Grade	OSAS English Language Arts 7th Grade	OSAS English Language Arts 8th Grade	OSAS English Language Arts All Grades	OSAS Mathematics 4th Grade	OSAS Mathematics 5th Grade	OSAS Mathematics 6th Grade	OSAS Mathematics 7th Grade	OSAS Mathematics 8th Grade	OSAS Mathematics All Grades	OSAS Science 5th Grade	OSAS Science 8th Grade	OSAS Science All Grades	Vaccination: Students (K-12) with all required vaccines	Vaccination: Exemption rate	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Three Rivers Charter School	Public, Charter	4-8	2565 SW Ek Rd	West Linn	97068	Clackamas County	West Linn-Wilsonville School District 3J	Yes	(n/a)	No	No	(503) 673-7850	108	5	20.5	—	65 (60.2%)	1 (0.9%)	11 (10.2%)	14 (13.0%)	0 (0.0%)	0 (0.0%)	17 (15.7%)	79.5	52^nd of 371 public middle schools	86.0%		81.8	48^th of 368 public middle schools	87.0%	4	70.6	75.0	51.9	56.5	73.3	64.2	82.4	66.7	40.7	52.2	46.7	56.6	58.3	46.7	53.8	91.6%	8.4%	$5,827	$00	$5,827
Athey Creek Middle School	Public	6-8	2110 Brandon Pl	West Linn	97068	Clackamas County	West Linn-Wilsonville School District 3J	No	(n/a)	No	No	(503) 673-7400	470	30	15.5	24.7%	366 (77.9%)	5 (1.1%)	42 (8.9%)	9 (1.9%)	0 (0.0%)	1 (0.2%)	45 (9.6%)	76.5	63^rd of 371 public middle schools	83.0%		84.3	42^nd of 368 public middle schools	88.6%	21			60.9	69.6	53.6	61.1			51.4	53.7	44.4	49.8		19.7	19.7	90.7%	9.3%	$19,444	$00	$19,444
Lakeridge Middle School	Public	6-8	4700 SW Jean Rd	Lake Oswego	97035	Clackamas County	Lake Oswego School District 7J	No	(n/a)	No	No	(503) 534-2343	888	53	16.7	12.3%	631 (71.1%)	4 (0.5%)	74 (8.3%)	63 (7.1%)	0 (0.0%)	5 (0.6%)	106 (11.9%)	94.4	20^th of 371 public middle schools	94.6%		93	23^rd of 368 public middle schools	93.8%	3			73.4	72.2	68.4	71.3			66.5	66.3	51.0	61.4		57.9	57.9	92.7%	7%	$19,041	$188	$18,854
Rosemont Ridge Middle School	Public	6-8	20001 Salamo Rd	West Linn	97068	Clackamas County	West Linn-Wilsonville School District 3J	No	(n/a)	No	No	(503) 673-7550	699	39	18.1	28.9%	508 (72.7%)	9 (1.3%)	59 (8.4%)	41 (5.9%)	0 (0.0%)	0 (0.0%)	78 (11.2%)	88.6	37^th of 371 public middle schools	90.0%		88.5	37^th of 368 public middle schools	89.9%				72.1	62.3	65.4	66.5			51.6	57.9	48.7	52.7		46.1	46.1	92.7%	7%	$16,591	$00	$16,591
Lake Oswego Middle School	Public	6-8	2500 SW Country Club Rd	Lake Oswego	97034	Clackamas County	Lake Oswego School District 7J	No	(n/a)	No	No	(503) 534-2335	791	51	15.3	15.4%	472 (59.7%)	8 (1.0%)	69 (8.7%)	130 (16.4%)	3 (0.4%)	3 (0.4%)	105 (13.3%)	93.5	21^st of 371 public middle schools	94.3%		96.9	7^th of 368 public middle schools	98.1%	14			71.4	69.9	60.7	67.3			63.0	64.3	57.5	61.6		56.8	56.8	92.5%	6.7%	$20,171	$188	$19,983
Meridian Creek Middle School	Public	6-8	6300 SW Hazel St	Wilsonville	97070	Clackamas County	West Linn-Wilsonville School District 3J	No	(n/a)	No	No	(503) 673-7450	368	25	14.9	42.9%	234 (63.6%)	3 (0.8%)	81 (22.0%)	17 (4.6%)	1 (0.3%)	3 (0.8%)	28 (7.6%)	60.5	110^th of 371 public middle schools	70.4%		68.2	92^nd of 368 public middle schools	75.0%	18			53.5	66.7	37.3	52.4			34.3	45.4	25.7	35.1		30.0	30.0	87.8%	10.9%	$20,678	$00	$20,678
Hazelbrook Middle School	Public	6-8	11300 SW Hazelbrook Rd	Tualatin	97062	Washington County	Tigard-Tualatin School District 23J	No	(n/a)	No	No	(503) 431-5100	792	42	18.8	57.8%	377 (47.6%)	8 (1.0%)	289 (36.5%)	15 (1.9%)	2 (0.3%)	20 (2.5%)	80 (10.1%)	46.4	173^rd of 371 public middle schools	53.4%		44.9	183^rd of 368 public middle schools	50.3%	10			42.5	47.8	37.3	42.5			32.7	35.5	24.1	30.8		22.8	22.8	95%	4.1%	$18,783	$721	$18,061
Twality Middle School	Public	6-8	14650 SW 97th Ave	Tigard	97224	Washington County	Tigard-Tualatin School District 23J	No	(n/a)	No	No	(503) 431-5200	1,006	48	20.9	57.8%	499 (49.6%)	38 (3.8%)	272 (27.0%)	61 (6.1%)	2 (0.2%)	23 (2.3%)	108 (10.7%)	59.6	112^th of 371 public middle schools	69.8%		56.3	129^th of 368 public middle schools	64.9%	17			48.5	51.0	41.8	47.0			40.9	37.9	34.7	37.8		29.8	29.8	94.4%	4.8%	$16,983	$301	$16,681
Gardiner Middle School	Public	6-8	205 Williams St	Oregon City	97045	Clackamas County	Oregon City School District 62	No	(n/a)	No	No	(503) 785-8200	699	25	28.3	54.2%	453 (64.8%)	7 (1.0%)	179 (25.6%)	11 (1.6%)	2 (0.3%)	0 (0.0%)	43 (6.2%)	47.7	172^nd of 371 public middle schools	53.6%		47.1	174^th of 368 public middle schools	52.7%	2			44.0	39.8	41.7	41.8			29.4	33.8	32.6	31.9		25.7	25.7	92.4%	7.2%	$18,464	$451	$18,013
Jackson Middle School	Public	6-8	10625 SW 35th	Portland	97219	Multnomah County	Portland School District 1J	No	(n/a)	No	No	(503) 916-5680	715	37	19.3	61.8%	472 (66.0%)	51 (7.1%)	77 (10.8%)	13 (1.8%)	0 (0.0%)	8 (1.1%)	85 (11.9%)	92.2	24^th of 371 public middle schools	93.5%		92.4	27^th of 368 public middle schools	92.7%	3			62.4	67.9	64.4	65.0			56.4	68.2	57.2	60.8		54.0	54.0	93%	6.5%	$21,578	$867	$20,712

Frequently Asked Questions about Three Rivers Charter School

Is Three Rivers Charter School a good school?

Three Rivers Charter School ranks 52^nd of 371 Oregon middle schools. SchoolDigger rates this school 4 stars out of 5.

How many students attend Three Rivers Charter School?

In the 2024-25 school year, 108 students attended Three Rivers Charter School.

What district is Three Rivers Charter School in?

West Linn-Wilsonville School District 3J

What is the racial makeup of Three Rivers Charter School?

Students at Three Rivers Charter School are 60% White, 16% Two or more races, 13% Asian, 10% Hispanic.

Rate Three Rivers Charter School!

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Latest Oregon data All new data »

2015–16 through 2017–18 immunization rates (updated)NewOct 20, 2026

2014–15 through 2025–26 immunization rates (updated)NewOct 19, 2026

2025–26 OSAS test scoresSep 25, 2026

2023–24 through 2024–25 school spending dataAug 24, 2026

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.