Private School Review - Established 2003
The Delphian School Top 3 · Highest Avg. ACT Score (OR)
Bridges Middle School Top 4 · Lowest Acceptance Rate (OR)
West Hills Christian School

Best Oregon Private Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) (2026-27)

For the 2026-27 school year, there are 55 private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) serving 14,920 students in Oregon. You can also find more schools membership associations in Oregon.
The top ranked private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon include Mannahouse Christian Academy, Portland Christian Middle & High School, and Oregon Episcopal School.
The average tuition cost is $12,235, which is higher than the Oregon private school average tuition cost of $10,569.
74% of private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (2026-27)

  • # Private Schools: 55

Quick Facts (2026-27)

  • # Private Schools: 55

Top Ranked Private Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon (2026-27)

Bridges Middle School Photo
Bridges Middle School
Gr: 5-8 | 64 students
Avg. class size: 12 students
Special Education School
2510 SW 1st Avenue
Portland, OR 97201
(503) 688-2922
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The Delphian School Photo
The Delphian School
Gr: K-12 | 229 students
Avg. class size: 13 students
Sports: 6 | Extracurriculars: 36
Alternative School
20950 South West Rock Creek Road
Sheridan, OR 97378
(503) 843-3521
(6)
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International School Of Portland Photo
International School Of Portland
Gr: PK-5 | 346 students
Avg. class size: 13 students
Sports: 3 | Extracurriculars: 4
Specialized Curriculum
2305 S Water Avenue
Portland, OR 97201
(503) 226-2496
(17)
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Oregon Episcopal School Photo
Oregon Episcopal School
Gr: PK-12 | 861 students
Avg. class size: 16 students
Sports: 10 | Extracurriculars: 59
Episcopal
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
(5)
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International Leadership Academy Photo
International Leadership Academy
Gr: PK-5 | 105 students
Sports: 8 | Extracurriculars: 2
Alternative School
14788 Boones Ferry Road
Lake Oswego, OR 97035
(503) 662-8452
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Blanchet Catholic School Photo
Blanchet Catholic School
Gr: 6-12 | 450 students
Avg. class size: 20 students
Sports: 14 | Extracurriculars: 36
Catholic
4373 Market St Ne
Salem, OR 97301
(503) 391-2639
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Canyonville Academy Photo
Canyonville Academy
Gr: 9-12 | 42 students
Avg. class size: 10 students
Sports: 8 | Extracurriculars: 4
Christian
250 E 1st St
Canyonville, OR 97417
(541) 839-4401
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Central Christian School Photo
Central Christian School
Gr: PK-12 | 419 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 6
Christian
2731 SW Airport Way
Redmond, OR 97756
(541) 548-7803
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De La Salle North Catholic High School Photo
De La Salle North Catholic High School
Gr: 9-12 | 239 students
Avg. class size: 21 students
Sports: 4 | Extracurriculars: 8
Catholic
4300 NE Killingsworth Street
Portland, OR 97218
(503) 285-9385
(1)
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East Linn Christian Academy Photo
East Linn Christian Academy
Gr: PK-12 | 377 students
Christian
36883 Victory Dr
Lebanon, OR 97355
(541) 259-2304
(2)
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Edison High School Photo
Edison High School
Gr: 9-12 | 140 students
Avg. class size: 9 students
Sports: 13
Special Education School
9020 SW Beaverton Hillsdale Hwy
Portland, OR 97225
(503) 297-2336
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Eugene Christian School Photo
Eugene Christian School
Gr: PK-8 | 352 students
Avg. class size: 21 students
Sports: 3 | Extracurriculars: 3
Christian
2895 Chad Drive
Eugene, OR 97408
(541) 554-1517
(18)
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Map of Faith Bible Christian School
Faith Bible Christian School
Gr: PK-12 | 335 students
Avg. class size: 24 students
Sports: 9 | Extracurriculars: 4
Christian
8975 NE Walker Rd #120
Beaverton, OR 97006
(503) 681-8254
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Gaarde Christian School Photo
Gaarde Christian School
Gr: PK-8 | 210 students
Avg. class size: 16 students
Extracurriculars: 2
Christian
11265 SW Gaarde Street
Portland, OR 97224
(503) 639-5336
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Hood View Adventist School Photo
Hood View Adventist School
Gr: PK-8 | 178 students
Avg. class size: 15 students
Sports: 5 | Extracurriculars: 2
Seventh Day Adventist
26505 Se Kelso Rd.
Boring, OR 97009
(503) 663-4568
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Horizon Christian School Photo
Horizon Christian School
Gr: PK-12 | 696 students
Avg. class size: 23 students
Sports: 12 | Extracurriculars: 12
Christian
23370 SW Boones Ferry Rd.
Tualatin, OR 97062
(503) 783-6642
(3)
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Life Christian School Photo
Life Christian School
Gr: PK-12 | 260 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 1
Christian
5585 Sw 209th Ave
Beaverton, OR 97078
(503) 259-1329
(2)
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Map of Livingstone Adventist Academy
Livingstone Adventist Academy
Gr: PK-12 | 137 students
Avg. class size: 17 students
Sports: 3
Seventh Day Adventist
5771 Fruitland Road NE
Salem, OR 97317
(503) 363-9408
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Mannahouse Christian Academy Photo
Mannahouse Christian Academy
Gr: NS-12 | 363 students
Avg. class size: 24 students
Sports: 5 | Extracurriculars: 10
Christian
9200 NE Fremont
Portland, OR 97220
(503) 252-5207
(23)
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Map of Morning Star Christian School
Morning Star Christian School
Gr: NS-8 | 279 students
Avg. class size: 22 students
Christian
19741 Baker Rd
Bend, OR 97702
(541) 382-5091
(1)
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Show 20 more private schools in Oregon (out of 55 total schools)
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Frequently Asked Questions

What are the top ranked private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon?
The top ranked private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon include Mannahouse Christian Academy, Portland Christian Middle & High School, and Oregon Episcopal School.
How many private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Oregon?
55 private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Oregon.
How much do private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) cost in Oregon?
The average tuition cost is $12,235, which is higher than the Oregon private school average tuition cost of $10,569.
How diverse are private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon?
Oregon private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are approximately 23% minority students, which is lower than the Oregon private school average of 26%.
What percentage of private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are religiously affiliated in Oregon?
74% of private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Oregon are religiously affiliated (most commonly Christian and Catholic).
57
Private Schools
14,920
Students
$12,235
Avg. Tuition
23%
Students of Color
12:1
Student-Teacher Ratio

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