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Average

#762 of 1,790 private schools in CA

Top 43% of private schools

Allais School

School

20525 VALLEY BLVD, Walnut, CA 91789

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 10 schools in Walnut. Learn more

Enrollment

48

Student-Teacher

6.2:1

Score

6.5

Grades

2nd – 11th

Updated 2021-22

How this school compares

In Walnut

#1 of 3

public schools

California schools

#172 of 366

Academic performance

8.7 / 10

Exceptional

About Allais School

Allais School serves 48 students in grades 2 through 11 in Walnut, California, offering an intimate educational environment with an exceptional 6.2:1 student-teacher ratio. With only 8 full-time equivalent teachers, this small regular public school provides highly personalized attention that few schools can match. The school has earned impressive recognition, receiving a 9.0 out of 10 MySchoolScout rating and ranking #648 out of 1,790 California schools, placing it in the 64th percentile statewide.

This strong performance reflects the school's commitment to academic excellence within its close-knit learning community. Allais School's small size creates unique opportunities for individualized instruction and mentorship, allowing teachers to know each student personally and tailor their approach to individual learning needs. The low enrollment fosters a family-like atmosphere where students can build strong relationships with both peers and faculty across multiple grade levels.

The school is situated in an affluent area of Walnut where the median household income reaches $123,555 and over half of residents hold bachelor's degrees or higher. The surrounding community's educational values and resources, combined with low poverty rates of just 7.2%, create a supportive environment for academic achievement. Located in this prosperous large suburban setting, Allais School serves families who prioritize educational excellence and small-school benefits.

What Parents Should Know

With an enrollment of 48 students, Allais School 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 6.2:1, Allais School 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, Allais School 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 Allais School compares to 10 public schools serving similar grades in Walnut, CA

Student-Teacher Ratio
6.2:1
This School
vs
23.9:1
Public Avg
Avg School Size
48
This School
vs
825
Public Avg
Avg School Scout Rating
6.5
This School
vs
7.0
Public Avg

Student Demographics

White 52.1% vs 0%
Asian 20.8% vs 0%
Hispanic 18.8% vs 0%
Allais School Walnut Public Avg

Nearby Other Schools

School Rating
Allais School (this school) 6.5
Ron Hockwalt Academies (Continuation) 6.4
Vejar Elementary 6.5
Cyrus J. Morris Elementary 5.9
Walnut Elementary 7.6
Walnut High 7.5
Suzanne Middle 6.3
South Pointe Middle 7.3
Ybarra Academy for the Arts and Technology 7.4
Stanley G. Oswalt Academy 8.2
Leonard G. Westhoff Elementary 6.4

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 9.0 / 10
View breakdown
Student-Teacher Ratio 6.2:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C 2.8 / 10
View breakdown
School Day Length 6 hours
Annual Instructional Hours 1,080
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A- 7.8 / 10
View breakdown
Diversity Index 64%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C 3.3 / 10
View breakdown
Enrollment 48
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 52.1%
Asian 20.8%
Hispanic 18.8%
Two or More 8.3%

Source: NCES Private School Survey (PSS)

Location

20525 VALLEY BLVD, Walnut, CA 91789

Nearby Alternatives

Families considering Allais School may also want to explore other schools in the area. Stanley G. Oswalt Academy (rated 8.2/10, 1.7 miles away), which scores notably higher. Another option is Walnut Elementary (rated 7.6/10, 0.7 miles away), which scores notably higher. Additionally, Walnut High (rated 7.5/10, 0.8 miles away), which scores slightly higher. For more schools in Walnut, see our Walnut schools guide .

Nearby Schools

20 within 2.0 mi
School Distance Rating
Ron Hockwalt Academies (Continuation) Walnut 0.3 mi 6.4
Vejar Elementary Walnut 0.4 mi 6.5
Walnut Elementary Walnut 0.7 mi 7.6
Cyrus J. Morris Elementary Walnut 0.6 mi 5.9
Walnut High Walnut 0.8 mi 7.5
THE CROSS SCHOOL OF EDUCATION Walnut 0.9 mi
DISCOVERY WORLD MONTESSORI Walnut 0.9 mi
Suzanne Middle Walnut 1.0 mi 6.3
South Pointe Middle Walnut 1.5 mi 7.3
Institute of Knowledge Diamond Bar 1.4 mi
Hollingworth Elementary West Covina 1.3 mi 5.8
ST CHRISTOPHER-JOSEPH-AQUINAS ACADEMIC ACADEMY Diamond Bar 1.5 mi 5.2
Ybarra Academy for the Arts and Technology Walnut 1.6 mi 7.4
Telesis Academy of Science & Math West Covina 1.6 mi 7.1
Stanley G. Oswalt Academy Walnut 1.7 mi 8.2
Elite Open School Rowland Heights 1.8 mi
Leonard G. Westhoff Elementary Walnut 1.9 mi 6.4
TZU CHI ELEMENTARY SATOA Walnut 2.0 mi 6.1
TZU CHI ELEMENTARY SCHOOL Walnut 2.0 mi 5.8
Quba Islamic School Rowland Heights 2.0 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91789 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$125,742

Median Home Value

$936,800

Median Rent

$2,868/mo

Population

40,933

College Educated

53.2%

Homeownership

82.4%

Avg Commute

35.4 min

Poverty Rate

7.7%

Median Age

46.3

Community Profile

The community surrounding Allais School has a median household income of $125,742. It is a well-educated community where 53% of adults hold a bachelor's degree or higher. The median home value in the area is $936,800, with a median rent of $2,868/month. The local poverty rate of 7.7% is relatively low. The average commute in the area is 35 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
ANOVA CENTER FOR EDUCATION Concord, CA 6.5
BALBOA SCHOOL Escondido, CA 6.5
GREENACRE HOMES Sebastopol, CA 6.5
EVERGREEN CHRISTIAN SCHOOL Anaheim, CA 6.4
Mountain Park Monrovia, CA 6.4
POINT QUEST EDUCATION - EL DORADO HILLS El Dorado Hills, CA 6.6

Frequently Asked Questions

Common questions about Allais School

What grades does Allais School serve?

Allais School serves students in grades 2nd through 11th.

How many students attend Allais School?

Allais School has an enrollment of approximately 48 students.

What is the student-teacher ratio at Allais School?

The student-teacher ratio at Allais School is 6.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Allais School rank in CA?

Allais School is ranked #762 out of 1,790 private schools in CA.

What is Allais School's MySchoolScout rating?

Allais School has a composite rating of 6.5 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 Allais School a private school?

Yes, Allais School 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 Allais School a religious school?

No, Allais School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,022/100K)

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

Quick Facts NCES PSS (SY 2021-22)

Grades
2nd – 11th
Enrollment
48
Gender Split
50% M / 50% F
Student-Teacher Ratio
6.2:1
Teachers (FTE)
8
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
6 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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