The Catholic faith community of St. Irenaeus School is committed to helping our children develop to their full spiritual and academic potential.
Our mission is to welcome all children and recognize individual differences, gifts, abilities, and learning styles.
We partner with our parents and the Parish to foster discipleship, stewardship, and leadership.
Quick Facts (2026)
- Top-Ranked CA School
- Grades: Prekindergarten-8
- Enrollment: 308 students
- Yearly Tuition: $7,825
- Acceptance rate: 95%
- Average class size: 22 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Irenaeus Parish School ranks among the top 20% of private schools in California for:
Category
Attribute
Student Body
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1963
Colors
Red and White
First Day of School
Mon. Aug 24, 2026
Student Body
Total Students
308 students
Student Body Type
Co-ed
% Students of Color
80%
State avg.: 52%
Students by Grade
Academics and Faculty
Total Classroom Teachers
16 teachers
Student-Teacher Ratio
19:1
National avg.: 11:1
% Faculty w/Advanced Degree
70%
Average Class Size
22 students
Classroom Dress Code
Formal
Casual uniform most days, formal uniform for specific events
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Tuition varies depending on parishioner status and number of children in the family. Tuition is adjusted yearly.
Acceptance Rate
95%
National avg.: 82%
Admissions Director
Mrs. Lily LoBasso
Admissions Associate
Lina Calderon
Application URL
Sports
Total Sports Offered
5 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
5 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Arts and Music Programs:
Recreational Athletic Programs:
Chess ClubStudent Government
Arts and Music Programs:
BandChoir
Recreational Athletic Programs:
Cheerleading/Pep Squad
School Notes
- School Mascot: Eagle
- Our school opened its doors for the first time in September of 1963. From that time our mission has been to provide our students with the best Catholic education possible. Our commitment to providing our students with a challenging academic program continues. Our students' academic preparation and achievements are reflected in their honors, awards, and successes in their high school and college years, and in their careers. We offer a variety of extra-curricular activities and programs including fine arts, Honors Math, Accelerated Reading and Math, PE, and Extended Day Care.
Source: Verified school update
Frequently Asked Questions
How much does St. Irenaeus Parish School cost?
St. Irenaeus Parish School's tuition is approximately $7,825 for private students.
What is the acceptance rate of St. Irenaeus Parish School?
The acceptance rate of St. Irenaeus Parish School is 95%, which is higher than the national average of 81%.
What sports does St. Irenaeus Parish School offer?
St. Irenaeus Parish School offers 5 interscholastic sports: Basketball, Cheering, Flag Football, Track and Field and Volleyball.
What is St. Irenaeus Parish School's ranking?
St. Irenaeus Parish School ranks among the top 20% of private schools in California for: Largest student body.
When is the application deadline for St. Irenaeus Parish School?
The application deadline for St. Irenaeus Parish School is rolling (applications are reviewed as they are received year-round).
School Calendar
View the St. Irenaeus Parish School yearly calendar below. Note key dates such as:
Event
Date
First Day of School
August 24, 2026 (Monday)
Thanksgiving Break - No School
November 23, 2026 (Monday)
School Open House
January 31, 2027 (Sunday)
TK/K Last Day
June 08, 2027 (Tuesday)
LAST DAY - Noon Dismissal
June 10, 2027 (Thursday)
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People that viewed St. Irenaeus Parish School also viewed these schools: St. Bonaventure.
The nearest high school, elementary school and preschool to St. Irenaeus Parish School is Wisdom Mission School (0.6 miles away)
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