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Average

#920 of 1,790 private schools in CA

Arrow Montessori School of San Dimas

Elementary School

818 W GLADSTONE ST, San Dimas, CA 91773

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 14 schools in San Dimas. Learn more

Enrollment

46

Student-Teacher

7.9:1

Score

6.2

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

In San Dimas

#4 of 4

public schools

California elementary schools

#538 of 1,102

Academic performance

8.3 / 10

Very strong

About Arrow Montessori School of San Dimas

Arrow Montessori School of San Dimas serves 46 students from prekindergarten through eighth grade in this well-established Los Angeles County community. As a regular public school following Montessori principles, the school maintains an exceptionally small class environment with just 6 full-time teachers, creating an intimate 7.9:1 student-teacher ratio that allows for highly personalized attention. The school has earned impressive recognition, receiving a 9.0 out of 10 rating from MySchoolScout and ranking #93 out of 1,790 California elementary schools, placing it in the 95th percentile statewide.

This outstanding performance reflects the school's commitment to the Montessori educational approach, which emphasizes self-directed learning and hands-on discovery. Located on West Gladstone Street, the school serves families in an affluent suburban neighborhood where the median household income reaches $101,466 and 38% of residents hold bachelor's degrees or higher. The area's low poverty rate of 9.4% and median home values of $714,400 reflect the community's stability and educational investment.

Arrow Montessori School of San Dimas offers families seeking a small, nurturing Montessori environment an exceptional option within the public school system, situated in one of San Dimas' thriving suburban neighborhoods.

What Parents Should Know

With an enrollment of 46 students, Arrow Montessori School of San Dimas is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 7.9:1, Arrow Montessori School of San Dimas offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

As a private school, Arrow Montessori School of San Dimas 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 Arrow Montessori School of San Dimas compares to 12 public schools serving similar grades in San Dimas, CA

Student-Teacher Ratio
7.9:1
This School
vs
24.4:1
Public Avg
Avg School Size
46
This School
vs
1,138
Public Avg
Avg School Scout Rating
6.2
This School
vs
7.0
Public Avg

Student Demographics

Hispanic 43.5% vs 0%
White 28.3% vs 0%
Asian 10.9% vs 0%
Black 8.7% vs 0%
Arrow Montessori School of San Dimas San Dimas Public Avg

Nearby Elementary Schools

School Rating
Arrow Montessori School of San Dimas (this school) 6.2
Arma J. Shull Elementary 7.2
Gladstone Elementary 7.2
Vista (Alternative)
Lone Hill Middle 7.5
Fred Ekstrand Elementary 8.0
Allen Avenue Elementary 6.4
Ramona Middle 7.2
Grace Miller Elementary 7.8
La Verne Heights Elementary 6.6
Oak Mesa Elementary 6.8
J. Marion Roynon Elementary 7.9
Blue Ridge Academy 4.5

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 CA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
A- 8.1 / 10
View breakdown
Student-Teacher Ratio 7.9:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C- 1.5 / 10
View breakdown
School Day Length 5 hours
Annual Instructional Hours 900
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A 9.0 / 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)
C 3.2 / 10
View breakdown
Enrollment 46
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)

Hispanic 43.5%
White 28.3%
Asian 10.9%
Black 8.7%
Two or More 8.7%

Source: NCES Private School Survey (PSS)

Location

818 W GLADSTONE ST, San Dimas, CA 91773

Nearby Alternatives

Families considering Arrow Montessori School of San Dimas may also want to explore other elementary schools in the area. Willow Elementary (rated 8.8/10, 1.0 miles away, in nearby Glendora), which scores notably higher. Another option is Fred Ekstrand Elementary (rated 8.0/10, 1.2 miles away), which scores notably higher. Additionally, Arma J. Shull Elementary (rated 7.2/10, 0.2 miles away), which scores slightly higher. For more schools in San Dimas, see our San Dimas schools guide .

Nearby Schools

20 within 1.5 mi
School Distance Rating
Arrow Montessori School of San Dimas San Dimas 0.0 mi
Arma J. Shull Elementary San Dimas 0.2 mi 7.2
DOVE DAY SCHOOL- EDUCATIONAL PROGRAMS- INC. San Dimas 0.5 mi
Gladstone Elementary San Dimas 0.6 mi 7.2
Sutherland Elementary Glendora 0.8 mi 6.5
Chaparral High (Continuation) San Dimas 0.9 mi 7.0
Vista (Alternative) San Dimas 0.9 mi
San Dimas High San Dimas 1.1 mi 8.4
Adult Transition Program San Dimas 1.1 mi
Lone Hill Middle San Dimas 1.1 mi 7.5
Willow Elementary Glendora 1.0 mi 8.8
CANYON VIEW SCHOOL San Dimas 1.3 mi 6.7
Fred Ekstrand Elementary San Dimas 1.2 mi 8.0
Glendora High Glendora 1.6 mi 5.9
Arrow High (Continuation) Glendora 1.4 mi 5.4
Oak Knoll Alternative Glendora 1.4 mi 5.4
Bridges Community Day Glendora 1.4 mi
ST DOROTHY CATHOLIC SCHOOL Glendora 1.7 mi 5.6
St. Dorothy Elementary School Glendora 1.7 mi
KINDERCARE LEARNING CENTER San Dimas 1.5 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91773 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$105,926

Median Home Value

$754,700

Median Rent

$2,232/mo

Population

33,917

College Educated

40.4%

Homeownership

71.3%

Avg Commute

31.9 min

Poverty Rate

9.2%

Median Age

42.7

Community Profile

The community surrounding Arrow Montessori School of San Dimas has a median household income of $105,926. It is a well-educated community where 40% of adults hold a bachelor's degree or higher. The median home value in the area is $754,700, with a median rent of $2,232/month. The local poverty rate of 9.2% is relatively low. The average commute for residents is 32 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
ACADEMY ON THE HILL Aliso Viejo, CA 6.2
LEPORT MONTESSORI Del Mar, CA 6.2
Meridian Elementary Meridian, CA 6.2
OLIVE CREST ACADEMY Garden Grove, CA 6.2
SIERRA VISTA KIRK BAUCHER SCHOOL Modesto, CA 6.2
Summerland Elementary Summerland, CA 6.2

Frequently Asked Questions

Common questions about Arrow Montessori School of San Dimas

What grades does Arrow Montessori School of San Dimas serve?

Arrow Montessori School of San Dimas serves students in grades Pre-K through 8th.

How many students attend Arrow Montessori School of San Dimas?

Arrow Montessori School of San Dimas has an enrollment of approximately 46 students.

What is the student-teacher ratio at Arrow Montessori School of San Dimas?

The student-teacher ratio at Arrow Montessori School of San Dimas is 7.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Arrow Montessori School of San Dimas rank in CA?

Arrow Montessori School of San Dimas is ranked #920 out of 1,790 private schools in CA.

What is Arrow Montessori School of San Dimas's MySchoolScout rating?

Arrow Montessori School of San Dimas has a composite rating of 6.2 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 Arrow Montessori School of San Dimas a private school?

Yes, Arrow Montessori School of San Dimas 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 Arrow Montessori School of San Dimas a religious school?

No, Arrow Montessori School of San Dimas is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,574/100K)

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

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 8th
Enrollment
46
Gender Split
52% M / 48% F
Student-Teacher Ratio
7.9:1
Teachers (FTE)
6
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
5 hours
Days Per Year
180 days
Setting
Large Suburb
County
LOS ANGELES
Data Year
2022–2023

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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