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Limited Profile

Not enough data to generate a rating

Stratford Preparatory Blackford

High School

3800 Blackford Avenue, San Jose, CA 95117

Private

Enrollment

806

Student-Teacher

11.9:1

Grades

6th – 12th

Updated 2024-25

About Stratford Preparatory Blackford

Stratford Preparatory Blackford is a private high school in San Jose, CA 95117. The school serves approximately 806 students in grades 6th – 12th with a student-teacher ratio of 11.9:1. Located in a neighborhood with a median household income of $115,778, where 44% of adults hold a bachelor's degree or higher.

What Parents Should Know

As a private school, Stratford Preparatory Blackford 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.

Compare to Public Schools

Beta

How Stratford Preparatory Blackford compares to 149 public schools serving similar grades in San Jose, CA

Student-Teacher Ratio
11.9:1
This School
vs
22.2:1
Public Avg
Avg School Size
806
This School
vs
624
Public Avg

Nearby High Schools

School Rating
Stratford Preparatory Blackford (this school)
Boynton High 6.4
Discovery Charter 6.4
Easterbrook Discovery 7.8
Monroe Middle 4.3
Latimer 7.1
Moreland Middle 6.2
Lynbrook High 8.8
Del Mar High 6.9
Sherman Oaks Elementary 7.8
Luther Burbank Elementary 7.8
Joaquin Miller Middle 8.1
Herbert Hoover Middle 5.7
Price Charter Middle 7.2
River Glen 7.0
Willow Glen High 7.6
Steindorf STEAM K-8 Magnet 7.5
Willow Glen Middle 5.8
Muwekma Ohlone Middle 5.3
Downtown College Preparatory 8.4
Downtown College Preparatory Middle 4.3

Showing 20 of 149 schools. View all schools in San Jose

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

School Profile

Limited Data
Grades
6th – 12th
Enrollment
806 students
Type
Private
Student-Teacher Ratio
11.9:1
Address
3800 Blackford Avenue, San Jose, CA 95117
Phone
(408) 247-4400
Data Year
SY 2024-25
Why doesn't this school have a score?

We don't have enough verified data to rate this school fairly. Private schools in CA aren't required to report standardized test scores to the state, which limits the data available for our rating model.

Our rating model requires at least 2 of 4 data components (academics, student progress, college readiness, and resources) to generate a meaningful score. Schools below this threshold receive a Limited Profile to avoid misleading ratings.

Learn more about our methodology →

Test Scores

Test score data not yet available for this school.

Location

3800 Blackford Avenue, San Jose, CA 95117

Nearby Alternatives

Families considering Stratford Preparatory Blackford may also want to explore other high schools in the area. Manuel De Vargas Elementary (rated 8.0/10, 1.2 miles away). Another option is Easterbrook Discovery (rated 7.8/10, 1.2 miles away). Additionally, WEST VALLEY MIDDLE SCHOOL (rated 6.9/10, 0.2 miles away). For more schools in San Jose, see our San Jose schools guide .

Nearby Schools

20 within 1.2 mi
School Distance Rating
HARKER San Jose 0.1 mi 5.6
Boynton High San Jose 0.2 mi 6.4
AS-SAFA ACADEMY San Jose 0.2 mi
WEST VALLEY MIDDLE SCHOOL San Jose 0.2 mi 6.9
AS-SAFA INSTITUTE/AS-SAFA ACADEMY San Jose 0.2 mi
Action Day Middle School San Jose 0.2 mi
As-Safa Institute/As-Safa Academy San Jose 0.2 mi
Harker School, The San Jose 0.3 mi
Lynhaven Elementary San Jose 0.5 mi 6.2
Leroy Anderson Elementary San Jose 0.7 mi 6.2
Discovery Charter San Jose 0.8 mi 6.4
Challenger School - Strawberry Park San Jose 0.8 mi
George C. Payne Elementary San Jose 1.2 mi 6.4
STARBRIGHT SCHOOL San Jose 1.0 mi
ACADEMY OF MANDARIN IMMERSION San Jose 1.1 mi
TRUST MONTESSORI SCHOOL San Jose 1.1 mi 4.4
SANIKU GAKUIN SANTA CLARA JAPANESE SCHOOL San Jose 1.1 mi 3.1
Easterbrook Discovery San Jose 1.2 mi 7.8
Trust Primary School San Jose 1.1 mi
Manuel De Vargas Elementary San Jose 1.2 mi 8.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95117 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$115,778

Median Home Value

$1,425,200

Median Rent

$2,367/mo

Population

27,798

College Educated

44.4%

Homeownership

35.6%

Avg Commute

24.3 min

Poverty Rate

9.9%

Median Age

35.5

Community Profile

The community surrounding Stratford Preparatory Blackford has a median household income of $115,778. It is a well-educated community where 44% of adults hold a bachelor's degree or higher. The median home value in the area is $1,425,200, with a median rent of $2,367/month. The local poverty rate of 9.9% is relatively low. The average commute for residents is 24 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
21st Century STEM Academy Sacramento, CA
AGBU Manoogian-Demirdjian Canoga Park, CA
Adventure Christian School Roseville, CA
Al-Arqam Islamic School & College Preparatory Sacramento, CA
Amory Academic Academy Barstow, CA
BASIS Independent Silicon Valley San Jose, CA

Frequently Asked Questions

Common questions about Stratford Preparatory Blackford

What grades does Stratford Preparatory Blackford serve?

Stratford Preparatory Blackford serves students in grades 6th through 12th.

How many students attend Stratford Preparatory Blackford?

Stratford Preparatory Blackford has an enrollment of approximately 806 students.

What is the student-teacher ratio at Stratford Preparatory Blackford?

The student-teacher ratio at Stratford Preparatory Blackford is 11.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

Is Stratford Preparatory Blackford a private school?

Yes, Stratford Preparatory Blackford 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.

11 schools nearby View map →

Neighborhood Context

City Safety
High (3,210/100K)

FBI UCR 2024. City-level (San Jose). Data >1 year old.

Quick Facts NCES PSS (SY 2024-25)

Grades
6th – 12th
Enrollment
806
Student-Teacher Ratio
11.9:1
Teachers (FTE)
68
Type
private
Coed Status
coed
County
Santa Clara
Data Year
2025–2026

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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