St. Joachim is a Catholic school that serves children in pre-kindergarten through eighth grade.
As an integral part of the greater parish community, this school provides a safe and nurturing environment and excellent education rooted in the teachings of Jesus Christ and traditions of the Catholic Church.
St. Joachim, in partnership with parents, prepares students to be lifelong learners and to actively participate in their faith, in their communities, and in the world.
St. Joachim School and Parish recognize parents and guardians as their children´s primary educators.
Together, we endeavor to educate the whole student. Based upon a firm foundation of Christian values and beliefs, we strive to achieve this goal by challenging the student spiritually, intellectually, socially, physically, and emotionally.
We foster an appreciation and respect for diversity that contributes to the development of community.
We aspire to develop self-aware individuals who recognize their unique gifts and who use their talents for the good of others.
Quick Stats (2025)
- Top Ranked CA School
- Grades: Prekindergarten-8
- Enrollment: 374 students
- Average class size: 36 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Joachim School ranks among the top 20% of private schools in California for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1958
School Calendar
Student Body
Total Students
374 students
Student Body Type
Co-ed
% Students of Color
94%
State avg.: 51%
Students by Grade

Academics and Faculty
Total Classroom Teachers
12 teachers
Student : Teacher Ratio
31:1
National avg.: 13:1
Average Class Size
36 students
Tuition and Acceptance Rate
School Notes
- School Motto: We believe that each child is a unique and precious gift from God.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What is St. Joachim School's ranking?
St. Joachim School ranks among the top 20% of private schools in California for: Highest percentage of students of color and Largest student body.
When is the application deadline for St. Joachim School?
The application deadline for St. Joachim School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Joachim School located?
St. Joachim School is located in the Longwood Winton Grove neighborhood of Hayward, CA.
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