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Average

#1236 of 1,787 private schools in CA

Justin-siena

High School

4026 MAHER ST, Napa, CA 94558

Private

Enrollment

601

Student-Teacher

13.8:1

Score

5.7

Grades

9th – 12th

Data vintage2021-22

How this school compares

California private schools

#1,236 of 1,787

In Napa

#5 of 9

public schools

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Justin-siena

5.7/10

High School in Napa · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Northwood Elementary

6.8/10

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

Hopewell Baptist Christian Academy

Nearby

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

About Justin-siena

Justin-siena is a private high school in Napa, CA. Justin-siena serves approximately 601 students, and covers grades 9th-12th, and has a 13.8:1 student-teacher ratio. Justin-siena has a current MySchoolScout rating of 5.7 out of 10 and ranks #1,236 of 1,787 private schools in CA.

How it compares0.8 pts below CA schools
  • This school 5.7 · Average
  • CA avg 6.5

What Parents Should Know

Justin-siena 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 Justin-siena compares to 7 public schools serving similar grades in Napa, CA

Student-Teacher Ratio
13.8:1
This School
vs
20.4:1
Public Avg
Avg School Size
601
This School
vs
600
Public Avg
Avg School Scout Rating
5.7
This School
vs
5.8
Public Avg

Student Demographics

White 46.3% vs 0%
Hispanic 20.1% vs 0%
Asian 12.3% vs 0%
Black 3.2% vs 0%
Justin-siena Napa Public Avg

Nearby High Schools

School Rating
Justin-siena (this school) 5.7
Vintage High 6.2
Napa Valley Independent Studies 6.1
Valley Oak High 5.0
Napa High 5.1
New Technology High 6.1
Napa County Juvenile Hall/Court
Napa County Community 6.1

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 CA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B- 5.1 / 10
View breakdown
Student-Teacher Ratio 13.8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C 3.0 / 10
View breakdown
School Day Length 6.2 hours
Annual Instructional Hours 1,085
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A 8.9 / 10
View breakdown
Diversity Index 70%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
B 5.5 / 10
View breakdown
Enrollment 601
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 CA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 46.3%
Hispanic 20.1%
Two or More 17.1%
Asian 12.3%
Black 3.2%
Native American 0.8%
Pacific Islander 0.2%

Source: NCES Private School Survey (PSS)

Location

4026 MAHER ST, Napa, CA 94558

Nearby Alternatives

Families considering Justin-siena may also want to explore other high schools in the area. Pueblo Vista Elementary (rated 8.1/10, 1.0 miles away), which scores notably higher. Another option is Willow Elementary (rated 7.4/10, 0.7 miles away), which scores notably higher. Additionally, Northwood Elementary (rated 6.8/10, 0.3 miles away), which scores notably higher. For more schools in Napa, see our Napa schools guide .

Nearby Schools

20 within 1.5 mi
School Distance Rating
Justin-Siena Napa 0.1 mi
Northwood Elementary Napa 0.3 mi 6.8
Hopewell Baptist Christian Academy Napa 0.5 mi
NAPA MONTESSORI CHILDREN'S HOUSE INC. Napa 0.5 mi
ST APOLLINARIS SCHOOL Napa 0.5 mi 5.0
St. Apollinaris Elementary School Napa 0.5 mi
ST JOHN'S LUTHERAN SCHOOL Napa 0.7 mi 5.3
St. John's Lutheran Elementary Napa 0.7 mi
Unidos Middle Napa 0.7 mi 5.6
Redwood Middle Napa 0.6 mi 3.8
Willow Elementary Napa 0.7 mi 7.4
La Sagrada Familia Catholic International Home School Academy Napa 0.8 mi
Kolbe Academy and Trinity Prep Napa 0.9 mi
KOLBE ACADEMY & TRINITY PREP Napa 0.9 mi 5.2
Pueblo Vista Elementary Napa 1.0 mi 8.1
Bel Aire Park Elementary Napa 0.9 mi 6.5
Sunrise Montessori of Napa Valley Napa 1.1 mi
SUNRISE MONTESSORI OF NAPA VALLEY Napa 1.1 mi 4.9
Vintage High Napa 0.9 mi 6.2
West Park Elementary Napa 1.5 mi 2.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94558 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$109,444

Median Home Value

$855,600

Median Rent

$2,248/mo

Population

64,552

College Educated

38.3%

Homeownership

67.3%

Avg Commute

23.6 min

Poverty Rate

8.5%

Median Age

44.5

Similar Schools

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

School Rating
Central High Fresno, CA 5.7
George Washington Preparatory High Los Angeles, CA 5.7
High Tech High Media Arts San Diego, CA 5.7
PALMA SCHOOL Salinas, CA 5.7
PARACLETE HIGH SCHOOL Lancaster, CA 5.7
Paradise Senior High Paradise, CA 5.7

Frequently Asked Questions

Common questions about Justin-siena

What grades does Justin-siena serve?

Justin-siena serves students in grades 9th through 12th.

How many students attend Justin-siena?

Justin-siena has an enrollment of approximately 601 students.

What is the student-teacher ratio at Justin-siena?

The student-teacher ratio at Justin-siena is 13.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Justin-siena rank in CA?

Justin-siena ranks #1,236 of 1,787 private schools in CA.

What is Justin-siena's MySchoolScout rating?

Justin-siena has a current MySchoolScout rating of 5.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

Is Justin-siena a private school?

Yes, Justin-siena is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is Justin-siena a religious school?

Justin-siena has a Roman Catholic religious affiliation.

11 schools nearby View map →

Neighborhood Context

Walk Score
42 Car-Dependent
Transit Score
26 Some Transit
Bike Score
67 Bikeable

Powered by Walk Score

Quick Facts NCES PSS (SY 2021-22)

Grades
9th – 12th
Enrollment
601
Gender Split
48% M / 52% F
Student-Teacher Ratio
13.8:1
Teachers (FTE)
44
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
6.2 hours
Days Per Year
175 days
Setting
Small City
County
Napa County

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