Average

Cleta Harder Developmental School

High School

981 N. Euclid Street, La Habra, CA 90631

Last updated: April 2026

Private

Students

8:1

Student-Teacher

Kindergarten – 12th

Grades Served

—

About Cleta Harder Developmental School

Cleta Harder Developmental School is a private high school in La Habra, CA 90631. The school serves approximately 24 students in grades Kindergarten – 12th with a student-teacher ratio of 8:1. It holds a MySchoolScout rating of 6.7/10, an average rating overall.

Located in a neighborhood with a median household income of $98,009, where 31% of adults hold a bachelor's degree or higher.

Compare to Public Schools

Beta

How Cleta Harder Developmental School compares to 14 public schools serving similar grades in La Habra, CA

Student-Teacher Ratio

8:1

This School

22.3:1

Public Avg

Avg School Size

This School

665

Public Avg

Avg School Scout Rating

6.7

This School

6.4

Public Avg

Nearby High Schools

School	Distance	Enrollment	STR	Rating
Cleta Harder Developmental School (this school)	—	24	8:1	6.7
El Cerrito Elementary	0.1 mi	420	22.1:1	7.9
Walnut Elementary	0.3 mi	454	21.6:1	5.0
La Habra High	0.6 mi	1,977	23.8:1	4.7
Arbolita Elementary	0.7 mi	374	23.4:1	7.0
Washington Middle	0.9 mi	548	19.6:1	7.3
Sierra Vista Elementary	1.1 mi	454	22.7:1	5.4
El Portal Elementary	1.2 mi	509	23.1:1	5.5
Las Lomas Elementary	1.4 mi	416	20.8:1	7.3
Ladera Palma Elementary	1.4 mi	601	25:1	6.6
Macy Elementary	1.4 mi	408	22.7:1	7.2
Sonora High	1.6 mi	1,707	23.1:1	7.0
Imperial Middle	1.9 mi	445	18.5:1	6.7
Las Positas Elementary	1.9 mi	582	22.4:1	6.9
Olita Elementary	2.0 mi	416	23.1:1	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

Limited Data · 1/4 metrics

Student Progress—Not Available

Requires 2+ years of test data

Academics6.7Above Average100%

Student proficiency on state tests, adjusted for community poverty levels.·Area estimate · Based on 14 schools in La Habra

College Readiness—Not Available

Data not available for this school

Resources & Environment—Not Available

Requires school resource data

How we calculate scores →

Test Scores

Test score data not yet available for this school.

Location

981 N. Euclid Street, La Habra, CA 90631

Nearby Schools

20 within 2.5 mi

School	Distance	Enrollment	Rating
El Cerrito Elementary La Habra	0.1 mi	420	7.9
Walnut Elementary La Habra	0.3 mi	454	5.0
L'Heritage Francais La Habra	0.5 mi	30	6.7
La Habra High La Habra	0.6 mi	1,977	4.7
Arbolita Elementary La Habra	0.7 mi	374	7.0
Washington Middle La Habra	0.9 mi	548	7.3
Sierra Vista Elementary La Habra	1.1 mi	454	5.4
Las Lomas Elementary La Habra	1.4 mi	416	7.3
El Portal Elementary La Habra	1.2 mi	509	5.5
Ladera Palma Elementary La Habra	1.4 mi	601	6.6
Macy Elementary La Habra	1.4 mi	408	7.2
Sonora High La Habra	1.6 mi	1,707	7.0
Committed Christian School La Habra	1.8 mi	18	6.7
Imperial Middle La Habra	1.9 mi	445	6.7
Las Positas Elementary La Habra	1.9 mi	582	6.9
PRIMANTI MONTESSORI ACADEMY Whittier	1.8 mi	50	7.1
Olita Elementary La Habra	2.0 mi	416	4.5
Jordan Elementary Whittier	1.9 mi	468	5.4
Stepping Stones Academy Fullerton	2.3 mi	20	6.7
Hermosa Drive Elementary Fullerton	2.5 mi	302	5.5

Neighborhood Census ACS (2018-2022)

Census data for ZIP 90631 (ACS 2018-2022 5-Year Estimates) · Data sources

Median Income

$98,009

Median Home Value

$716,700

Median Rent

$1,872/mo

Population

69,064

College Educated

31.3%

Homeownership

60%

Avg Commute

30 min

Poverty Rate

9.3%

Median Age

38.6

Similar Schools

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

School	Enrollment	Rating
Brite Horizons School Scotts Valley, CA	26	6.7
Committed Christian School La Habra, CA	18	6.7
Eko Multi-Purpose Center Compton, CA	22	6.7
Honors Academy Fullerton, CA	17	6.7
Alta Vista Academy Chula Vista, CA	30	6.8
Esperanza High (Continuation) Gridley, CA	28	6.9

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 Kindergarten through 12th.

How many students attend Cleta Harder Developmental School?

Cleta Harder Developmental School has an enrollment of approximately 24 students.

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

The student-teacher ratio at Cleta Harder Developmental School is 8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

What is Cleta Harder Developmental School's MySchoolScout rating?

Cleta Harder Developmental School has a composite rating of 6.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, equity, and school environment into a single score.

Is Cleta Harder Developmental School a private school?

Yes, Cleta Harder Developmental School is a private coeducational school. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

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Quick Facts NCES PSS (SY 2024-25)

Grades: Kindergarten – 12th
Enrollment: 24
Student-Teacher Ratio: 8:1
Teachers (FTE): 3
Type: private
Coed Status: coed
County: Orange
Phone: (562) 694-5655
Data Year: 2025–2026

Resources & Links

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How We Rate Schools

Our ratings combine academic performance, growth, equity, and school environment into a single 1-10 score using publicly available data.

Read our methodology

Data Sources: School Info: NCES PSS (SY 2024-25) Neighborhood: Census ACS (2018-2022) Ratings: MySchoolScout (2024) Full data source details