17³Ô¹Ï

St. Isidore School

435 La Gonda Way
Danville, CA 94526
St. Isidore School serves 673 students in grades Kindergarten-8, is a member of the National Catholic Educational Association (NCEA) and the National Independent 17³Ô¹Ïs Association.
The student:teacher of St. Isidore School is 18:1 and the school's religious affiliation is Catholic.

Quick Stats (2025)

  • Top Ranked CA School
  • Grades: Kindergarten-8
  • Enrollment: 673 students
  • Yearly Tuition: $11,948
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Isidore School ranks among the top 20% of private schools in California for:

Category
Attribute

School Overview

Religious Affiliation
Grades Offered
Grades Kindergarten-8
Year Founded
1962
School Calendar
First Day of School
Mon. Sep 1, 2025

Student Body

Total Students
673 students
Student Body Type
Co-ed
% Students of Color
23%
State avg.: 51%
Students by Grade
St. Isidore School Student By Grade

Academics and Faculty

Total Classroom Teachers
37 teachers
Student : Teacher Ratio
18:1
National avg.:

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL
Source: Verified school update

Frequently Asked Questions

How much does St. Isidore School cost?
St. Isidore School's tuition is approximately $11,948 for private students.
What is St. Isidore School's ranking?
St. Isidore School ranks among the top 20% of private schools in California for: Largest student body.
When is the application deadline for St. Isidore School?
The application deadline for St. Isidore School is rolling (applications are reviewed as they are received year-round).

School Reviews

5  
I write this as a parent who has had children at St. Isidore for the past 12 years, with my youngest about to graduate, and I can say that it has been the best educational decision we made for our family. What initially drew us to the school with the faith based education in a private school setting where we were confident our children's education wouldn't be impacted by budget cuts. What we underestimated at the time was the value of the school community itself. The teachers are here because they want to be at a school like St. Isidore and they care about the students. One brief example: my daughter's 1st grade teacher was an amazing teacher and role model for my daughter. When she got married and her husband's job meant they had to move across the country, my daughter was heartbroken. The teacher promised her that she would be back to attend my daughter's 8th grade graduation. The years passed, she had kids of her own. But she did it. She came back and was at that graduation ceremony, beaming with pride, and in doing so taught these kids so much about love, commitments and community. My kids grew so much as people during their time there. They became leaders. They thrived academically, grew in their faith, and learned to serve others.
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Quick Stats (2025)

  • Top Ranked CA School
  • Grades: Kindergarten-8
  • Enrollment: 673 students
  • Yearly Tuition: $11,948
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Contra Costa County, CA is $17,896 for elementary schools and $25,811 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Contra Costa County, CA is 79% (read more about average acceptance rates across the country).

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