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Average

#1551 of 1,790 private schools in CA

Cleta Harder Developmental School

High School

981 N EUCLID ST, La Habra, CA 90631

Private Estimated Score

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

Enrollment

34

Student-Teacher

11.3:1

Score

5.0

Grades

7th – 12th

Updated 2021-22

How this school compares

In La Habra

#3 of 3

public schools

California high schools

#249 of 277

Academic performance

7.5 / 10

Very strong

About Cleta Harder Developmental School

Cleta Harder Developmental School serves 34 students in grades 7-12 in La Habra, providing an intimate educational environment with a remarkably low 11.3:1 student-teacher ratio. This small public high school operates with just 3 full-time equivalent teachers, allowing for highly personalized attention and individualized instruction that many larger schools cannot provide. The school has earned strong recognition with a 9.0 out of 10 MySchoolScout rating and ranks #658 out of 1,790 California schools, placing it in the 63rd percentile statewide.

This impressive standing reflects the school's effectiveness in serving its specialized student population through its developmental approach to education. Located on North Euclid Street, Cleta Harder sits in an established suburban community where families enjoy economic stability, with a median household income of $98,009 and home values averaging $716,700. The surrounding 90631 zip code area is home to nearly 70,000 residents, with 31% holding bachelor's degrees or higher and a relatively low poverty rate of 9.3%.

The school's small size creates a close-knit learning community where students receive focused support throughout their secondary education years. Cleta Harder Developmental School operates within La Habra's large suburban setting, providing specialized educational services in a well-established Orange County neighborhood.

What Parents Should Know

With an enrollment of 34 students, Cleta Harder Developmental 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.

As a private school, Cleta Harder Developmental 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 Cleta Harder Developmental School compares to the 14 public schools in La Habra, CA

Student-Teacher Ratio
11.3:1
This School
vs
22.3:1
Public Avg
Avg School Size
34
This School
vs
665
Public Avg
Avg School Scout Rating
5.0
This School
vs
7.3
Public Avg

Student Demographics

Hispanic 79.4% vs 0%
Asian 8.8% vs 0%
White 5.9% vs 0%
Black 5.9% vs 0%
Cleta Harder Developmental School La Habra Public Avg

All Schools in La Habra

School Rating
Cleta Harder Developmental School (this school) 5.0
El Cerrito Elementary 8.7
Walnut Elementary 6.0
La Habra High 6.4
Arbolita Elementary 8.2
Washington Middle 7.9
Sierra Vista Elementary 6.3
El Portal Elementary 5.8
Las Lomas Elementary 8.3
Ladera Palma Elementary 7.9
Macy Elementary 7.9
Sonora High 8.2
Imperial Middle 7.4
Las Positas Elementary 7.9
Olita Elementary 5.0

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)
B 6.3 / 10
View breakdown
Student-Teacher Ratio 11.3:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B+ 6.6 / 10
View breakdown
School Day Length 6.2 hours
Annual Instructional Hours 1,240
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C+ 4.2 / 10
View breakdown
Diversity Index 36%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C- 2.0 / 10
View breakdown
Enrollment 34
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 79.4%
Asian 8.8%
White 5.9%
Black 5.9%

Source: NCES Private School Survey (PSS)

Location

981 N EUCLID ST, La Habra, CA 90631

Nearby Alternatives

Families considering Cleta Harder Developmental School may also want to explore other high schools in the area. Sonora High (rated 8.2/10, 1.6 miles away), which scores notably higher. Another option is WHITTIER CHRISTIAN HIGH SCHOOL (rated 6.8/10, 1.4 miles away), which scores notably higher. Additionally, La Habra High (rated 6.4/10, 0.6 miles away), which scores notably higher. For more schools in La Habra, see our La Habra schools guide .

Nearby Schools

20 within 1.8 mi
School Distance Rating
Cleta Harder Developmental School La Habra 0.0 mi
El Cerrito Elementary La Habra 0.1 mi 8.7
Walnut Elementary La Habra 0.3 mi 6.0
L'HERITAGE FRANCAIS La Habra 0.5 mi 8.2
L'Heritage Francais La Habra 0.5 mi
La Habra High La Habra 0.6 mi 6.4
Arbolita Elementary La Habra 0.7 mi 8.2
Washington Middle La Habra 0.9 mi 7.9
Sierra Vista Elementary La Habra 1.1 mi 6.3
Las Lomas Elementary La Habra 1.4 mi 8.3
El Portal Elementary La Habra 1.2 mi 5.8
WHITTIER CHRISTIAN HIGH SCHOOL La Habra 1.4 mi 6.8
Ladera Palma Elementary La Habra 1.4 mi 7.9
Macy Elementary La Habra 1.4 mi 7.9
Sonora High La Habra 1.6 mi 8.2
Committed Christian School La Habra 1.8 mi
Imperial Middle La Habra 1.9 mi 7.4
Las Positas Elementary La Habra 1.9 mi 7.9
PRIMANTI MONTESSORI ACADEMY Whittier 1.8 mi
PRIMANTI MONTESSORI ACADEMY Whittier 1.8 mi 7.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 90631 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$102,208

Median Home Value

$757,900

Median Rent

$2,029/mo

Population

68,615

College Educated

32%

Homeownership

61.5%

Avg Commute

30.4 min

Poverty Rate

9.1%

Median Age

39.2

Community Profile

The community surrounding Cleta Harder Developmental School has a median household income of $102,208. It is an area where 32% of adults hold a bachelor's degree or higher. The median home value in the area is $757,900, with a median rent of $2,029/month. The local poverty rate of 9.1% is relatively low. The average commute for residents is 30 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
Canyon Oaks High Monrovia, CA 5.0
Carr Lake Community Day Salinas, CA 5.0
Mountain High Lake Arrowhead, CA 5.0
RELENTLESS OR NOTHING INSTITUTE Inglewood, CA 5.0
STELLAR PREPARATORY HIGH SCHOOL Hayward, CA 5.0
Surprise Valley High Cedarville, CA 5.0

Frequently Asked Questions

Common questions about Cleta Harder Developmental School

What grades does Cleta Harder Developmental School serve?

Cleta Harder Developmental School serves students in grades 7th through 12th.

How many students attend Cleta Harder Developmental School?

Cleta Harder Developmental School has an enrollment of approximately 34 students.

What is the student-teacher ratio at Cleta Harder Developmental School?

The student-teacher ratio at Cleta Harder Developmental School is 11.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Cleta Harder Developmental School rank in CA?

Cleta Harder Developmental School is ranked #1551 out of 1,790 private schools in CA.

What is Cleta Harder Developmental School's MySchoolScout rating?

Cleta Harder Developmental School has a composite rating of 5.0 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 Cleta Harder Developmental School a private school?

Yes, Cleta Harder Developmental 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 Cleta Harder Developmental School a religious school?

No, Cleta Harder Developmental School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,533/100K)

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

Quick Facts NCES PSS (SY 2021-22)

Grades
7th – 12th
Enrollment
34
Gender Split
76% M / 24% F
Student-Teacher Ratio
11.3:1
Teachers (FTE)
3
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
6.2 hours
Days Per Year
200 days
Setting
Large Suburb
County
ORANGE
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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