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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 Estimated Score

Estimated academic score. This school does not have standardized test data. Based on OR statewide data. Learn more

Enrollment

204

Student-Teacher

10.7:1

Score

7.7

Grades

1st – 12th

Updated 2021-22

How this school compares

Oregon schools

#7 of 49

About Delphian School

Delphian School serves 204 students in grades 1-12 in Sheridan, Oregon, offering an intimate learning environment with a 10.7:1 student-teacher ratio and 19 full-time equivalent teachers. This regular public school has earned impressive recognition, ranking #10 out of 186 schools statewide and earning a strong 8.4 out of 10 MySchoolScout rating, placing it in the 95th percentile among Oregon schools. The school's small size allows for personalized attention and close relationships between students and faculty throughout the elementary, middle, and high school years.

With fewer than 20 students per teacher on average, Delphian School can provide individualized support that helps students thrive academically. The school draws from a community where the median household income is $72,121 and median home values are $290,500, reflecting a stable residential area. About 14% of local residents hold bachelor's degrees or higher, while the poverty rate stands at 11.1% in this ZIP code of approximately 10,500 people.

Delphian School sits in the town setting of Sheridan, nestled in Oregon's Yamhill County, where students benefit from both the close-knit community atmosphere of a smaller town and the school's exceptional academic standing among the state's top-performing institutions.

What Parents Should Know

As a private school, Delphian School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Financial Overview

Source: IRS Form 990 (2023 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$74,817
Per-Pupil Revenue
Total revenue ÷ enrollment
$54,912
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
0.73x — At Risk
Tuition Dependency
Share of revenue from program services (tuition, fees)
110%
Total Assets
End-of-year total assets from IRS filing
$69.3M

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 204 students. Not all private schools file Form 990.

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
6.3
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 7.7
Faulconer-Chapman School 5.4
Sheridan High School 5.7

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

Score Breakdown

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 7.7/10, 1.5 miles away), with a very similar rating. Another option is Perrydale School (rated 6.4/10, 9.5 miles away, in nearby Amity), a more accessible option. Additionally, Dallas Community Charter (rated 6.4/10, 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 7.7
Faulconer-Chapman School Sheridan 1.7 mi 5.4
Sheridan High School Sheridan 1.9 mi 5.7
Willamina Elementary School Willamina 2.7 mi 7.1
Willamina High School Willamina 2.7 mi 6.1
Willamina Middle School Willamina 2.7 mi 6.4
Perrydale School Amity 9.5 mi 6.4
Lyle Elementary School Dallas 13.5 mi 6.9
Oakdale Heights Elementary School Dallas 14.0 mi 8.8
Dallas Community Charter Dallas 14.2 mi 6.4
Amity Middle School Amity 10.9 mi 5.9
LaCreole Middle School Dallas 14.2 mi 6.9
Amity Elementary School Amity 11.0 mi 5.4
Amity High School Amity 11.0 mi 4.7
Dallas High School Dallas 14.6 mi 2.6
Willamette Elementary School Mcminnville 12.1 mi 6.0
Whitworth Elementary School Dallas 14.6 mi 6.9
FAITH CHRISTIAN SCHOOL Dallas 14.9 mi 4.8
Falls City Elementary School Falls City 16.6 mi 6.9
Newby Elementary School Mcminnville 12.8 mi 5.3

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

Community Profile

The community surrounding Delphian School has a median household income of $80,680. It is a community where 15% of adults hold a bachelor's degree or higher. The median home value in the area is $341,200, with a median rent of $1,078/month. The local poverty rate of 8.7% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Sheridan AllPrep Academy Sheridan, OR 7.7
LIVINGSTONE ADVENTIST ACADEMY Salem, OR 7.8
FRANCISCAN MONTESSORI EARTH SCHOOL Portland, OR 7.9
Helix Charter School Helix, OR 7.9
OAK HILL SCHOOL Eugene, OR 7.9
Sherman County School Moro, 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 is ranked #27 out of 186 private schools in OR.

What is Delphian School's MySchoolScout rating?

Delphian School has a composite rating of 7.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. 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

FBI UCR. County-level only.

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
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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