Hermiston Adventist School Photo

Best Umatilla County Private Schools (2026)

For the 2026 school year, there are 5 private schools serving 206 students in Umatilla County, OR (there are 35 public schools, serving 13,316 public students). 2% of all K-12 students in Umatilla County, OR are educated in private schools (compared to the OR state average of 10%).
The top-ranked private schools in Umatilla County, OR include Hermiston Adventist School and Pendleton Christian School.
The average acceptance rate is 90%, which is higher than the Oregon private school average acceptance rate of 84%.
100% of private schools in Umatilla County, OR are religiously affiliated (most commonly Seventh Day Adventist and Assembly of God).

Top-Ranked Umatilla County Private Schools (2026)

School
Location
Quick Facts
Hermiston Adventist School
Hermiston Adventist School Photo
(Seventh Day Adventist)
1300 NW Academy Ln
Hermiston, OR 97838
(541) 567-8523
Gr: PK-8 | 25 students Extracurrculars: 2 Tuition listed
Pendleton Christian School
Pendleton Christian School Photo - Pendleton Christian School, Pendleton, Oregon
(Seventh Day Adventist)
3121 SW Hailey Ave
Pendleton, OR 97801
(541) 276-0615
Gr: 1-8 | 22 students Avg. class size: 15 students Sports: 1 | Extracurrculars: 3 Tuition & acceptance rate listed
Blue Mt. Valley Adventist School
(Seventh Day Adventist)
78606 1st St
Athena, OR 97813
(541) 566-0954
Gr: K-8 | 14 students
Hermiston Christian Center & School
(Assembly of God)
1825 W Highland Ave
Hermiston, OR 97838
(541) 567-3480
Gr: PK-12 | 83 students
Milton-stateline Adventist School
(Seventh Day Adventist)
(1)
53565 W. Crockett Rd
Milton Freewater, OR 97862
(541) 938-7131
Gr: PK-8 | 62 students Avg. class size: 12 students Extracurrculars: 4 Tuition listed

Overview

This County (Umatilla County)
This State (OR)
# Schools
5 Schools

Student Body:

# Students
206 Students
58,150 Students
% Average Students of Color
18%
25%

Academics and Faculty:

# Teachers
21 Teachers
5,021 Teachers
Average Student-Teacher Ratio
10:1
12:1
% Average Faculty w/Advanced Degree
63%
63%
Average Class Size
14 students
16 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$4,504
$11,876
Average % on Financial Aid
50%
30%
Average Financial Aid Grant
$100
$4,075
Average Acceptance Rate
90%
84%

Students by Ethnicity:

0.43
0.61
# American Indian Students
2 Students
403 Students
% American Indian Students
1%
1%
# Asian Students
6 Students
2,978 Students
% Asian Students
3%
5%
# Hispanic Students
26 Students
3,642 Students
% Hispanic Students
13%
6%
# Black Students
1 Student
1,640 Students
% Black Students
1%
3%
# White Students
148 Students
31,781 Students
% White Students
74%
55%
# Hawaiian Students
1 Student
379 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
15 Students
17,027 Students
% of Others Students
8%
29%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
7 extracurriculars
Average Number of Sports
1 sports
6 sports

Frequently Asked Questions

What are the top-ranked private schools in Umatilla County, OR?
The top-ranked private schools in Umatilla County, OR include Hermiston Adventist School and Pendleton Christian School.
How many private schools are located in Umatilla County?
5 private schools are located in Umatilla County.
How diverse are private schools in Umatilla County?
Umatilla County private schools are approximately 18% minority students, which is lower than the Oregon private school average of 25%.
What percentage of students in Umatilla County go to private school?
2% of all K-12 students in Umatilla County are educated in private schools (compared to the OR state average of 10%).
What percentage of private schools are religiously affiliated in Umatilla County?
100% of private schools in Umatilla County are religiously affiliated (most commonly Seventh Day Adventist and Assembly of God).
Which private schools in Umatilla County are often viewed compared to one another?

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