The Delphian School Photo - At Delphian, you'll design your own high school education, much like at university. There are core courses which everyone does, but many others that you can choose based on your own interests. Then you'll study these subjects on your own, or maybe along with another student, learning from your materials instead of from a teacher lecturing to the whole class

Best Oregon Private Schools (2026)

For the 2026 school year, there are 460 private schools serving 58,150 students in Oregon (there are 1,294 public schools, serving 539,626 students). 10% of all K-12 students in Oregon attend private schools (compared to the national average of 10%).
The average private school tuition is $11,269 for elementary schools and $15,172 for high schools (view national tuition averages).
The top-ranked private schools in Oregon include All Saints Chool, Oregon Episcopal School, and Catlin Gabel School.
The average acceptance rate is 84% (view national acceptance rates). Minority enrollment is 25% and the student-teacher ratio is 12:1.
51% of schools are religiously affiliated, with most being Christian or Catholic.

Overview

This State (OR)
US
# Schools
460 Schools

Student Body:

# Students
58,150 Students
5,700,153 Students
% Average Students of Color
25%
34%

Student By Grade

Academics and Faculty:

# Teachers
5,010 Teachers
508,036 Teachers
Average Student-Teacher Ratio
12:1
11:1
% Average Faculty w/Advanced Degree
63%
55%
Average Class Size
16 students
15 students
Average Number of AP Courses
12 courses
13 courses
Average SAT score
1241
(Out of 1600)
1234
Average ACT score
27
(Out of 36)
26

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$11,865
$14,882
Average Summer Program Cost
$674
$1,137
Average % on Financial Aid
30%
35%
Average Financial Aid Grant
$4,045
$7,141
Average Acceptance Rate
84%
82%
Average Endowment Size
$73.96 million
$61.9 million

Students by Ethnicity:

0.61
0.65
# American Indian Students
403 Students
29,879 Students
% American Indian Students
1%
1%
# Asian Students
2,978 Students
265,082 Students
% Asian Students
5%
5%
# Hispanic Students
3,642 Students
507,336 Students
% Hispanic Students
6%
9%
# Black Students
1,640 Students
416,665 Students
% Black Students
3%
7%
# White Students
31,781 Students
2,933,309 Students
% White Students
55%
52%
# Hawaiian Students
379 Students
20,067 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
17,027 Students
1,471,980 Students
% of Others Students
29%
26%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
7 extracurriculars
9 extracurriculars
Average Number of Sports
6 sports
7 sports

Top-Ranked Oregon Private Schools by County (2026)

County
# Schools
# Students
% of K-12 Students in Private Schools
2
121
3%
8
1,401
14%
51
5,906
9%
3
162
3%
3
204
3%
6
260
3%
3
256
6%
1
65
3%
23
3,381
12%
12
931
6%
14
2,442
8%
8
744
7%
6
635
6%
1
24
2%
42
3,591
8%
5
200
4%
13
1,413
6%
1
44
1%
36
4,882
8%
99
14,430
15%
4
471
4%
4
163
5%
5
206
2%
4
312
8%
1
16
2%
2
219
6%
89
14,315
15%
9
1,012
6%

Frequently Asked Questions

What are the top-ranked private schools in Oregon?
The top-ranked private schools in Oregon include All Saints Chool, Oregon Episcopal School, and Catlin Gabel School.
How many private schools are located in Oregon?
There are 460 private schools are located in Oregon.
How much do private schools cost in Oregon?
The average private school tuition in Oregon is $11,269 for elementary schools and $15,172 for high schools
How diverse are private schools in Oregon?
Approximately 25% of students in Oregon private schools are minority students (compared to the national percentage).
What percentage of students in Oregon go to private school?
10% of all K-12 students in Oregon attend private schools (compared to the national average of 10%).
What percentage of private schools are religiously affiliated in Oregon?
51% of private schools in Oregon are religiously affiliated, with most being Christian or Catholic.
Which private schools in Oregon are often viewed compared to one another?

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