Casa Dia Montessori (2026 Profile)

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Casa Dia Montessori

10109 Watson Road
Saint Louis, MO 63127

Tel: (314) 835-9500

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Casa Dia Montessori Photo #1 - Welcome To Our School!

Casa Dia Montessori offer a safe and nurturing environment while promoting the physical, social, emotional, and intellectual development of young children.

You will see frequent, positive and warm interactions between adults and children.

Nutritious meals and snacks are provided throughout the day as are organized morning and afternoon outside play times.

We offer a developmentally appropriate curriculum for your child. Montessori allows children the freedom to select individual activities which correspond to their own periods of interest and readiness and to progress at their own pace.

Our specially trained teachers encourage independence while developing a healthy self-concept.

We offer regular communications with our parents and effective administration.

We have ongoing evaluations of our program and administration which allows us to continually provide high-quality early childhood programs at affordable prices.

Parents are considered an integral part of the program, as parents are viewed as the children's first teachers.

Quick Facts (2026)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 62 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: Verified school update

School Overview

School Type

Montessori School

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-Kindergarten

Year Founded

1976

Summer School Offered

Yes

School Calendar

Student Body

Total Students

62 students

Student Body Type

Co-ed

% Students of Color

20%

State avg.: 21%

Students by Grade

Academics and Faculty

Total Classroom Teachers

4 teachers

Student-Teacher Ratio

16:1

National avg.:

Average Class Size

15 students

Number of AP/Advanced Courses

10 courses

Classroom Dress Code

Casual

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Admissions Director

Angela Hafer

Application URL

School Notes

School Motto: Education for life

Casa Dia Montessori offer a safe and nurturing environment while promoting the physical, social, emotional, and intellectual development of young children.
You will see frequent, positive and warm interactions between adults and children.
Nutritious meals and snacks are provided throughout the day as are organized morning and afternoon outside play times.
We offer a developmentally appropriate curriculum for your child.
Montessori allows children the freedom to select individual activities which correspond to their own periods of interest and readiness and to progress at their own pace.
Our specially trained teachers encourage independence while developing a healthy self-concept.
We offer regular communications with our parents and effective administration.
We have ongoing evaluations of our program and administration which allows us to continually provide high-quality early childhood programs at affordable prices.
Parents are considered an integral part of the program, as parents are viewed as the children's first teachers.

Source: Verified school update

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Frequently Asked Questions

When is the application deadline for Casa Dia Montessori?

The application deadline for Casa Dia Montessori is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 62 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: Verified school update

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Did You Know?

The average private school tuition in Saint Louis, MO is $17,419 for elementary schools and $21,551 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Saint Louis, MO is 81% (read more about average acceptance rates across the country).