The Delphian School Photo - Delphian is on 720 acres in the beautiful coastal mountains of the Pacific Northwest in Oregon. Here teachers don't lecture in front of a blackboard while students frantically take notes. At our school, students learn at their own pace and study independently with a personalized program that is specifically designed to satisfy their specific needs and interests.

Best Yamhill County Private High Schools (2026)

For the 2026 school year, there are 4 private high schools serving 689 students in Yamhill County, OR.
The top-ranked private high school in Yamhill County, OR is The Delphian School.
The average acceptance rate is 72%, which is lower than the Oregon private high school average acceptance rate of 80%.
75% of private high schools in Yamhill County, OR are religiously affiliated (most commonly Christian).

Top-Ranked Yamhill County Private High Schools (2026)

School
Location
Quick Facts
The Delphian School
The Delphian School Photo - Delphian is on 720 acres in the beautiful coastal mountains of the Pacific Northwest in Oregon. Here teachers don't lecture in front of a blackboard while students frantically take notes. At our school, students learn at their own pace and study independently with a personalized program that is specifically designed to satisfy their specific needs and interests.
Alternative School
(6)
20950 South West Rock Creek Road
Sheridan, OR 97378
(503) 843-3521
Gr: K-12 | 229 students Avg. class size: 13 students Sports: 6 | Extracurrculars: 36 Tuition & acceptance rate listed
Ambleside Of Willamette Valley
(Christian)
600 E 3rd St
Newberg, OR 97132
(503) 821-7303
Gr: K-10 | 63 students
C.S. Lewis Academy
C.S. Lewis Academy Photo - See You at the Pole 2019
(Christian)
(6)
1605 N College St
Newberg, OR 97132
(503) 538-0114
Gr: K-12 | 192 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 6 Tuition & acceptance rate listed
Veritas School
Veritas School Photo
(Christian)
26288 NE Bell Rd
Newberg, OR 97132
(503) 538-1962
Gr: K-12 | 205 students Avg. class size: 17 students Sports: 2 | Extracurrculars: 8 Tuition listed
[+] Show Closed Private Schools in Yamhill County, Oregon

Yamhill County Private Schools (Closed)

School
Location
Quick Facts
121 NE Yamhill St
Sheridan, OR 97378
(971) 706-0268
Gr: K-12 | 22 students Avg. class size: 5 students Tuition & acceptance rate listed
Peace Valley School (Closed 2022)
Special Program Emphasis
5384 Duniway Road
Dayton, OR 97114
(971) 706-0485
Gr: 10 | 8 students Tuition listed
2142 Ne Mcdonald Lane
Mcminnville, OR 97128
(503) 472-9189
Gr: PK-5 | 33 students

Overview

This County (Yamhill County)
This State (OR)
# Schools
4 Schools

Student Body:

# Students
689 Students
25,392 Students
% Average Students of Color
32%
26%

Academics and Faculty:

# Teachers
96 Teachers
2,347 Teachers
Average Student-Teacher Ratio
7:1
11:1
% Average Faculty w/Advanced Degree
62%
67%
Average Class Size
15 students
16 students
Average Number of AP Courses
15 courses
11 courses
Average SAT score
1276
(Out of 1600)
1241
Average ACT score
30
(Out of 36)
27

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$29,067
$15,253
Average Summer Program Cost
$3,095
$1,571
Average % on Financial Aid
32%
31%
Average Financial Aid Grant
$7,500
$5,977
Average Acceptance Rate
72%
80%
Average Endowment Size
$33.6 million
$37.88 million

Students by Ethnicity:

0.37
0.57
# American Indian Students
6 Students
252 Students
% American Indian Students
1%
1%
# Asian Students
117 Students
1,703 Students
% Asian Students
17%
7%
# Hispanic Students
16 Students
1,858 Students
% Hispanic Students
2%
7%
# Black Students
17 Students
1,021 Students
% Black Students
2%
4%
# White Students
549 Students
15,937 Students
% White Students
78%
62%
# Hawaiian Students
n/a
209 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
1 Student
4,516 Students
% of Others Students
n/a
18%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
17 extracurriculars
11 extracurriculars
Average Number of Sports
5 sports
7 sports

Frequently Asked Questions

What are the top-ranked private high schools in Yamhill County, OR?
The top-ranked private high schools in Yamhill County, OR is The Delphian School.
How many private high schools are located in Yamhill County?
4 private high schools are located in Yamhill County.
What percentage of private high schools are religiously affiliated in Yamhill County?
75% of private high schools in Yamhill County are religiously affiliated (most commonly Christian).
Which private high schools in Yamhill County are often viewed compared to one another?
Popular comparisons of private high schools in Yamhill County include: Veritas School vs. C.S. Lewis Academy, C.S. Lewis Academy vs. Veritas School

Recent Articles

Free Private Schools & Voucher Programs in 2025
Free Private Schools & Voucher Programs in 2025
Updated guide to free private schools and school voucher programs, 2025 policies, costs, equity issues, and how families access tuition support.
Social Emotional Learning 2025: Policy, Practice and Outcomes
Social Emotional Learning 2025: Policy, Practice and Outcomes
Updated 2025 review of social emotional learning in schools, research outcomes, key trends, challenges and future paths for parents and educators.
Private School Admissions for Siblings: Costs and Timing
Private School Admissions for Siblings: Costs and Timing
Learn how private school admissions for siblings affect costs, discounts, and timing strategies for families planning multiple enrollments.