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
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
Enrollment
204
Student-Teacher
10.7:1
Score
7.7
Grades
1st – 12th
Updated
2021-22
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
BetaHow Delphian School compares to the 3 public schools in Sheridan, OR
Student Demographics
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.
Data Unavailable
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)
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.
Explore More Schools
Neighborhood Context
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
- Phone
- (503) 843-3521
- Data Year
- 2022–2023
Resources & Links
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 methodologyRelated reading
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