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Average

#1073 of 1,787 private schools in CA

North Bridge Academy

Middle School

17 BUENA VISTA AVE, Mill Valley, CA 94941

Private

Enrollment

68

Student-Teacher

5.2:1

Score

6.0

Grades

2nd – 8th

Data vintage2021-22

How this school compares

California private schools

#1,073 of 1,787

In Mill Valley

#4 of 4

public schools

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North Bridge Academy

6.0/10

Middle School in Mill Valley · grades 2nd – 8th. Start here, then compare fit against nearby and district options.

Old Mill Elementary

9.2/10

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

Park Elementary

8.9/10

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

About North Bridge Academy

North Bridge Academy is a private middle school in Mill Valley, CA. North Bridge Academy serves approximately 68 students, and covers grades 2nd-8th, and has a 5.2:1 student-teacher ratio. North Bridge Academy has a current MySchoolScout rating of 6.0 out of 10 and ranks #1,073 of 1,787 private schools in CA.

How it compares0.5 pts below CA schools
  • This school 6.0 · Average
  • CA avg 6.5

What Parents Should Know

At 68 students, North Bridge Academy is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.

At 5.2:1 students to teachers, North Bridge Academy sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.

North Bridge Academy 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 North Bridge Academy compares to 6 public schools serving similar grades in Mill Valley, CA

Student-Teacher Ratio
5.2:1
This School
vs
19.7:1
Public Avg
Avg School Size
68
This School
vs
380
Public Avg
Avg School Scout Rating
6.0
This School
vs
8.8
Public Avg

Student Demographics

White 88.2% vs 0%
Asian 2.9% vs 0%
North Bridge Academy Mill Valley Public Avg

Nearby Middle Schools

School Rating
North Bridge Academy (this school) 6.0
Old Mill Elementary 9.2
Park Elementary 8.9
Mill Valley Middle 8.7
Edna Maguire Elementary 7.9
Strawberry Point Elementary 9.1
Tamalpais Valley Elementary 9.2

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)
A 9.4 / 10
View breakdown
Student-Teacher Ratio 5.2:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C+ 3.9 / 10
View breakdown
School Day Length 6.5 hours
Annual Instructional Hours 1,137.5
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C 3.4 / 10
View breakdown
Diversity Index 21%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
B- 4.5 / 10
View breakdown
Enrollment 68
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 88.2%
Two or More 8.8%
Asian 2.9%

Source: NCES Private School Survey (PSS)

Location

17 BUENA VISTA AVE, Mill Valley, CA 94941

Nearby Alternatives

Families considering North Bridge Academy may also want to explore other middle schools in the area. Old Mill Elementary (rated 9.2/10, 0.4 miles away), which scores notably higher. Another option is Park Elementary (rated 8.9/10, 0.5 miles away), which scores notably higher. Additionally, Mill Valley Middle (rated 8.7/10, 1.2 miles away), which scores notably higher. For more schools in Mill Valley, see our Mill Valley schools guide .

Nearby Schools

20 within 2.3 mi
School Distance Rating
North Bridge Academy Mill Valley 0.0 mi
Old Mill Elementary Mill Valley 0.4 mi 9.2
Park Elementary Mill Valley 0.5 mi 8.9
MARIN HORIZON SCHOOL Mill Valley 0.7 mi 7.5
Marin Horizon School Mill Valley 0.7 mi
Mill Valley Middle Mill Valley 1.2 mi 8.7
THE HELIX SCHOOL Mill Valley 1.1 mi
Edna Maguire Elementary Mill Valley 1.2 mi 7.9
MOUNT TAMALPAIS SCHOOL Mill Valley 1.4 mi 6.9
Mount Tamalpais School Mill Valley 1.4 mi
Tamalpais High Mill Valley 1.4 mi 7.9
TERRA MARIN SCHOOL Mill Valley 1.3 mi 7.9
Terra Marin School Mill Valley 1.7 mi
MARIN PRIMARY & MIDDLE SCHOOL Larkspur 1.7 mi 7.2
OAc San Francisco Larkspur 1.7 mi
Chronos Academy Lakspur 1.7 mi
ST PATRICK SCHOOL Larkspur 2.0 mi 7.2
Neil Cummins Elementary Corte Madera 2.0 mi 8.6
San Andreas High (Continuation) Larkspur 2.2 mi 8.5
Tamiscal High (Alternative) Larkspur 2.3 mi 4.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94941 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$210,217

Median Home Value

$1,990,100

Median Rent

$2,949/mo

Population

32,349

College Educated

76.9%

Homeownership

66.6%

Avg Commute

27.5 min

Poverty Rate

5.4%

Median Age

45.6

Similar Schools

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

School Rating
HOPE CHRISTIAN ACADEMY Lancaster, CA 6.1
Manzanita Middle Richmond, CA 5.9
PATHWAY SCHOOL INC. Laguna Hills, CA 5.9
SACRED HEART NATIVTY SCHOOLS San Jose, CA 5.9
ATHENA ACADEMY Palo Alto, CA 6.2
Julian Junior High Julian, CA 6.2

Frequently Asked Questions

Common questions about North Bridge Academy

What grades does North Bridge Academy serve?

North Bridge Academy serves students in grades 2nd through 8th.

How many students attend North Bridge Academy?

North Bridge Academy has an enrollment of approximately 68 students.

What is the student-teacher ratio at North Bridge Academy?

The student-teacher ratio at North Bridge Academy is 5.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does North Bridge Academy rank in CA?

North Bridge Academy ranks #1,073 of 1,787 private schools in CA.

What is North Bridge Academy's MySchoolScout rating?

North Bridge Academy has a current MySchoolScout rating of 6.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

Is North Bridge Academy a private school?

Yes, North Bridge Academy 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 North Bridge Academy a religious school?

No, North Bridge Academy is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

Walk Score
92 Walker's Paradise
Bike Score
55 Bikeable

Powered by Walk Score

Quick Facts NCES PSS (SY 2021-22)

Grades
2nd – 8th
Enrollment
68
Gender Split
63% M / 37% F
Student-Teacher Ratio
5.2:1
Teachers (FTE)
13
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
6.5 hours
Days Per Year
175 days
Setting
Large Suburb
County
Marin County

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