Skip to main content

Very Good

#27 of 186 private schools in OR

Top 14% of private schools

Delphian School

School

20950 SW ROCK CREEK RD, Sheridan, OR 97378

Private

Enrollment

204

Student-Teacher

10.7:1

Score

7.7

Grades

1st – 12th

Data vintage2021-22

How this school compares

Oregon private schools

#27 of 186

School shortlistprofile + nearby

Shortlisting around Delphian School?

Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Delphian School

7.7/10

School in Sheridan · grades 1st – 12th. Start here, then compare fit against nearby and district options.

Sheridan Allprep Academy

8.4/10

1.5 mi away. Use as a geographic alternative in the same move search.

Faulconer-chapman School

6.3/10

1.7 mi away. Use as a geographic alternative in the same move search.

About Delphian School

Delphian School is a private school in Sheridan, OR. Delphian School serves approximately 204 students, and covers grades 1st-12th, and has a 10.7:1 student-teacher ratio. Delphian School has a current MySchoolScout rating of 7.7 out of 10 and ranks #27 of 186 private schools in OR.

How it compares1.4 pts above OR schools
  • This school 7.7 · Very Good
  • OR avg 6.3

What Parents Should Know

Delphian School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.

Compare to Public Schools

Beta

How Delphian School compares to the 3 public schools in Sheridan, OR

Student-Teacher Ratio
10.7:1
This School
vs
15.4:1
Public Avg
Avg School Size
204
This School
vs
324
Public Avg
Avg School Scout Rating
7.7
This School
vs
6.6
Public Avg

Student Demographics

White 80.9% vs 0%
Asian 11.8% vs 0%
Hispanic 4.9% vs 0%
Black 2.5% vs 0%
Delphian School Sheridan Public Avg

All Schools in Sheridan

School Rating
Delphian School (this school) 7.7
Sheridan AllPrep Academy 8.4
Faulconer-Chapman School 6.3
Sheridan High School 5.1

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

Preliminary

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in OR.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B+ 7.3 / 10
View breakdown
Student-Teacher Ratio 10.7:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A+ 9.7 / 10
View breakdown
School Day Length 8 hours
Annual Instructional Hours 1,456
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
B 6.2 / 10
View breakdown
Diversity Index 33%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.3 / 10
View breakdown
Enrollment 204
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in OR

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 80.9%
Asian 11.8%
Hispanic 4.9%
Black 2.5%

Source: NCES Private School Survey (PSS)

Location

20950 SW ROCK CREEK RD, Sheridan, OR 97378

Nearby Alternatives

Families considering Delphian School may also want to explore other schools in the area. Sheridan AllPrep Academy (rated 8.4/10, 1.5 miles away), which scores slightly higher. Another option is Perrydale School (rated 7.4/10, 9.5 miles away, in nearby Amity), with a very similar rating. Additionally, Dallas Community Charter (rated 5.7/10, 14.2 miles away, in nearby Dallas), a more accessible option. For more schools in Sheridan, see our Sheridan schools guide .

Nearby Schools

20 within 12.8 mi
School Distance Rating
Sheridan AllPrep Academy Sheridan 1.5 mi 8.4
Faulconer-Chapman School Sheridan 1.7 mi 6.3
Sheridan High School Sheridan 1.9 mi 5.1
Willamina Elementary School Willamina 2.7 mi 5.1
Willamina High School Willamina 2.7 mi 5.0
Willamina Middle School Willamina 2.7 mi 4.5
Perrydale School Amity 9.5 mi 7.4
Lyle Elementary School Dallas 13.5 mi 4.1
Oakdale Heights Elementary School Dallas 14.0 mi 6.2
Dallas Community Charter Dallas 14.2 mi 5.7
Amity Middle School Amity 10.9 mi 5.5
LaCreole Middle School Dallas 14.2 mi 6.0
Amity Elementary School Amity 11.0 mi 6.3
Amity High School Amity 11.0 mi 6.5
Dallas High School Dallas 14.6 mi 3.6
Willamette Elementary School Mcminnville 12.1 mi 6.6
Whitworth Elementary School Dallas 14.6 mi 6.6
FAITH CHRISTIAN SCHOOL Dallas 14.9 mi 4.8
Falls City Elementary School Falls City 16.6 mi 3.9
Newby Elementary School Mcminnville 12.8 mi 6.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 97378 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$80,680

Median Home Value

$341,200

Median Rent

$1,078/mo

Population

9,613

College Educated

14.6%

Homeownership

72.4%

Avg Commute

28.2 min

Poverty Rate

8.7%

Median Age

41.9

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Camas Valley School Camas Valley, OR 7.8
Helix Charter School Helix, OR 7.8
LIVINGSTONE ADVENTIST ACADEMY Salem, OR 7.8
Arlington Community Charter School Arlington, OR 7.6
FRANCISCAN MONTESSORI EARTH SCHOOL Portland, OR 7.9
North Powder Charter School North Powder, OR 7.9

Frequently Asked Questions

Common questions about Delphian School

What grades does Delphian School serve?

Delphian School serves students in grades 1st through 12th.

How many students attend Delphian School?

Delphian School has an enrollment of approximately 204 students.

What is the student-teacher ratio at Delphian School?

The student-teacher ratio at Delphian School is 10.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Delphian School rank in OR?

Delphian School ranks #27 of 186 private schools in OR.

What is Delphian School's MySchoolScout rating?

Delphian School has a current MySchoolScout rating of 7.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

Is Delphian School a private school?

Yes, Delphian School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is Delphian School a religious school?

No, Delphian School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

Walk Score
0 Car-Dependent
Bike Score
25 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES PSS (SY 2021-22)

Grades
1st – 12th
Enrollment
204
Gender Split
47% M / 53% F
Student-Teacher Ratio
10.7:1
Teachers (FTE)
19
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
8 hours
Days Per Year
182 days
Setting
Distant Town
County
Yamhill County

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.