Average

Winston Preparatory School

High School

1 Saint Vincent Drive, San Rafael, CA 94903

Last updated: April 2026

Private

Students

2.5:1

Student-Teacher

4th – 12th

Grades Served

—

About Winston Preparatory School

Winston Preparatory School is a private high school in San Rafael, CA 94903. The school serves approximately 29 students in grades 4th – 12th with a student-teacher ratio of 2.5:1. It holds a MySchoolScout rating of 5.5/10, an average rating overall.

Located in a neighborhood with a median household income of $127,464, where 55% of adults hold a bachelor's degree or higher.

Compare to Public Schools

Beta

How Winston Preparatory School compares to 19 public schools serving similar grades in San Rafael, CA

Student-Teacher Ratio

2.5:1

This School

19.5:1

Public Avg

Avg School Size

This School

477

Public Avg

Avg School Scout Rating

5.5

This School

5.1

Public Avg

Nearby High Schools

School	Distance	Enrollment	STR	Rating
Winston Preparatory School (this school)	—	29	2.5:1	5.5
Mary E. Silveira Elementary	0.6 mi	437	24.3:1	3.6
Miller Creek Middle	0.8 mi	593	17.4:1	5.2
Phoenix Academy	1.6 mi	10	5:1	5.5
Marin County Special Education	1.6 mi	225	7.3:1	4.0
Marin's Community	1.6 mi	61	30.5:1	2.1
Marin County Juvenile Court	1.8 mi	5	5:1	5.5
Vallecito Elementary	2.1 mi	412	22.9:1	5.4
Lucas Valley Elementary	2.2 mi	364	24.3:1	4.6
Venetia Valley K-8	2.3 mi	771	20.3:1	3.8
Terra Linda High	2.5 mi	1,205	20.8:1	7.6
Sun Valley Elementary	3.4 mi	509	23.1:1	6.7
Coleman Elementary	3.9 mi	380	23.8:1	4.3
San Rafael High	4.4 mi	1,302	21.7:1	7.0
Madrone High Continuation	4.4 mi	120	13.3:1	5.0
Glenwood Elementary	4.6 mi	315	21:1	6.4
James B. Davidson Middle	4.7 mi	1,040	19.3:1	6.2
San Pedro Elementary	4.7 mi	497	22.6:1	4.5
Laurel Dell Elementary	4.8 mi	283	23.6:1	5.5
Bahia Vista Elementary	5.0 mi	542	24.6:1	4.8

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

Score Breakdown

Limited Data · 1/4 metrics

Student Progress—Not Available

Requires 2+ years of test data

Academics5.5Average100%

Student proficiency on state tests, adjusted for community poverty levels.·Area estimate · Based on 17 schools in San Rafael

College Readiness—Not Available

Data not available for this school

Resources & Environment—Not Available

Requires school resource data

How we calculate scores →

Test Scores

Test score data not yet available for this school.

Location

1 Saint Vincent Drive, San Rafael, CA 94903

Nearby Schools

20 within 2.1 mi

School	Distance	Enrollment	Rating
GATE Academy San Rafael	0.1 mi	62	5.5
Mary E. Silveira Elementary San Rafael	0.6 mi	437	3.6
Miller Creek Middle San Rafael	0.8 mi	593	5.2
STAR ACADEMY San Rafael	1.0 mi	81	5.5
FUSION ACADEMY MARIN San Rafael	1.0 mi	24	5.5
Fusion Academy Marin San Rafael	1.0 mi	13	5.5
BOOST of Cypress School San Rafael	1.2 mi	8	5.5
Hamilton TK-8 Novato	1.5 mi	522	4.5
Novato Charter Novato	1.6 mi	266	4.1
MARIN WALDORF SCHOOL San Rafael	1.4 mi	175	5.5
Marin Waldorf School San Rafael	1.4 mi	128	5.5
Phoenix Academy San Rafael	1.6 mi	10	5.5
Marin County Special Education San Rafael	1.6 mi	225	4.0
Marin's Community San Rafael	1.6 mi	61	2.1
Saint Isabella School San Rafael	1.9 mi	246	5.5
Montessori de Terra Linda San Rafael	1.9 mi	79	5.5
Vallecito Elementary San Rafael	2.1 mi	412	5.4
Mark Day School San Rafael	2.1 mi	383	5.5
Marin County Juvenile Court San Rafael	1.8 mi	5	5.5
MARK DAY SCHOOL San Rafael	2.1 mi	392	5.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94903 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$127,464

Median Home Value

$1,149,400

Median Rent

$3,026/mo

Population

31,135

College Educated

55.1%

Homeownership

65.5%

Avg Commute

28 min

Poverty Rate

7.6%

Median Age

48.7

Similar Schools

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

School	Enrollment	Rating
Alps View High (Continuation) Weaverville, CA	21	5.5
Anaheim Magnolia Christian School Anaheim, CA	35	5.5
Big Pine High Big Pine, CA	26	5.5
Butte View High Sutter, CA	27	5.5
Calvary Chapel Big Bear Christian School Big Bear City, CA	28	5.5
Calvary Chapel Monrovia PSP MONROVIA, CA	24	5.5

Frequently Asked Questions

Common questions about Winston Preparatory School

What grades does Winston Preparatory School serve?

Winston Preparatory School serves students in grades 4th through 12th.

How many students attend Winston Preparatory School?

Winston Preparatory School has an enrollment of approximately 29 students.

What is the student-teacher ratio at Winston Preparatory School?

The student-teacher ratio at Winston Preparatory School is 2.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

What is Winston Preparatory School's MySchoolScout rating?

Winston Preparatory School has a composite rating of 5.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, equity, and school environment into a single score.

Is Winston Preparatory School a private school?

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

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Quick Facts NCES PSS (SY 2024-25)

Grades: 4th – 12th
Enrollment: 29
Student-Teacher Ratio: 2.5:1
Teachers (FTE): 12
Type: private
Coed Status: coed
County: Marin
Phone: (415) 993-5533
Data Year: 2025–2026

Resources & Links

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How We Rate Schools

Our ratings combine academic performance, growth, equity, and school environment into a single 1-10 score using publicly available data.

Read our methodology

Data Sources: School Info: NCES PSS (SY 2024-25) Neighborhood: Census ACS (2019-2023) Ratings: MySchoolScout (2024) Full data source details