Quick Facts (2026-27)
- Top Ranked CA School
- Grades: Prekindergarten-8
- Enrollment: 172 students
- Acceptance rate: 99%
- Average class size: 16 students
- Application Deadline: None / Rolling
- Source: ✓Verified school update
St. Catherine Of Siena School
About the School
- St. Catherine of Siena School in Rialto, California is a Preschool through Eighth Grade Parish School.
- It is located just south of Foothill Blvd. Our School Board is looking for new members who would like to add insight and input in the future and stability of our school.
- We strive to empower our students with the ability to foster reconciliation and build community by developing an appreciation and understanding of our multi-cultural diversity.
- Thus we enable students to become instruments of peace, harmony and justice.
- We acknowledge one another's gifts, service to others, and the nurturing bonds of unity and love with all people.
- The St. Catherine of Siena School mission calls us to educate children, to embrace their diversity, to go out into the world and live as disciples of Christ, to share faith and His Love with others, to be good stewards of our environment, and to be co-creators of His justice and peace.
Quick Facts (2026-27)
- Top Ranked CA School
- Grades: Prekindergarten-8
- Enrollment: 172 students
- Acceptance rate: 99%
- Average class size: 16 students
- Application Deadline: None / Rolling
- Source: ✓Verified school update
School Rankings
St. Catherine Of Siena School ranks among the top 20% of private schools in California for:
Category
Attribute
Diversity
Advanced Degrees
School Facts
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Students By Grade
Year Founded
1956
School Calendar
Student Body
Total Students
172 students
Student Body Type
Co-ed
% Students of Color
98%
State avg.: 52%
Academics & Faculty
Total Classroom Teachers
9 teachers
Student-Teacher Ratio
19:1
National avg.: 11:1
% Faculty w/Advanced Degree
90%
Average Class Size
16 students
Matriculation DataMatric. Data
Classroom Dress Code
Formal
School Uniform
Tuition & Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
Three payment plans available, and each can be either 10 or 12 months. Tuition assistance is available.
Acceptance Rate
99%
National avg.: 82%
Application URL
Sports
Total Sports Offered
5 sports
School Notes
- School Motto: FAITH. EXCELLENCE. CHALLENGE.
Source: Verified school update
Frequently Asked Questions
What is the acceptance rate of St. Catherine Of Siena School?
The acceptance rate of St. Catherine Of Siena School is 99%, which is higher than the national average of 80%.
What sports does St. Catherine Of Siena School offer?
St. Catherine Of Siena School offers 5 interscholastic sports: Basketball, Flag Football, Soccer, Track and Field and Volleyball.
What is St. Catherine Of Siena School's ranking?
St. Catherine Of Siena School ranks among the top 20% of private schools in California for: Highest percentage of students of color and Highest percentage of faculty with advanced degrees.
When is the application deadline for St. Catherine Of Siena School?
The application deadline for St. Catherine Of Siena School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
People that viewed St. Catherine Of Siena School also viewed these schools: Lighthouse Christian Academy.
The nearest high school and elementary school to St. Catherine Of Siena School is Altus Academy Rialto (0.3 miles away)
The nearest preschool is Lighthouse Christian Academy (1.9 miles away)
Show me:
Show me:
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 0.3 mi
Gr: 1-12 | 59 students
Special Education School
205 N Maple Ave
Rialto, CA 92377
(909) 829-9999
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 2.0 mi
Gr: K-12 | 290 students
Avg. class size: 20 students
Sports: 6
Christian
1391 W Merrill Ave
Rialto, CA 92376
(909) 820-9072
Distance: 2.4 mi
Gr: NS-PK | 40 students
Daycare / Preschool
960 Bloomington Ave.
Bloomington, CA 92316
(909) 877-3399
Distance: 3.0 mi
Gr: K-12 | 16 students
Pentecostal
9999 Linden Avenue
Bloomington, CA 92316
(909) 904-3890
Distance: 0.3 mi
Gr: 1-12 | 59 students
Special Education School
205 N Maple Ave
Rialto, CA 92377
(909) 829-9999
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 2.0 mi
Gr: K-12 | 290 students
Avg. class size: 20 students
Sports: 6
Christian
1391 W Merrill Ave
Rialto, CA 92376
(909) 820-9072
Distance: 3.0 mi
Gr: K-12 | 16 students
Pentecostal
9999 Linden Avenue
Bloomington, CA 92316
(909) 904-3890
Distance: 3.3 mi
Gr: 8-11 | 22 students
Avg. class size: 15 students
Sports: 1 | Extracurriculars: 1
17487 Arrow Blvd
Fontana, CA 92335
(909) 427-0900
Distance: 0.3 mi
Gr: 1-12 | 59 students
Special Education School
205 N Maple Ave
Rialto, CA 92377
(909) 829-9999
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 2.0 mi
Gr: K-12 | 290 students
Avg. class size: 20 students
Sports: 6
Christian
1391 W Merrill Ave
Rialto, CA 92376
(909) 820-9072
Distance: 3.0 mi
Gr: K-12 | 16 students
Pentecostal
9999 Linden Avenue
Bloomington, CA 92316
(909) 904-3890
Distance: 3.3 mi
Gr: 8-11 | 22 students
Avg. class size: 15 students
Sports: 1 | Extracurriculars: 1
17487 Arrow Blvd
Fontana, CA 92335
(909) 427-0900
Distance: 1.9 mi
Gr: PK-12 | 101 students
Avg. class size: 12 students
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Distance: 2.4 mi
Gr: NS-PK | 40 students
Daycare / Preschool
960 Bloomington Ave.
Bloomington, CA 92316
(909) 877-3399
Distance: 3.4 mi
Gr: PK-8 | 218 students
Catholic
17434 Miller Ave
Fontana, CA 92336
(909) 822-4431
Distance: 3.6 mi
Gr: PK-K | 90 students
Daycare / Preschool (Baptist)
8833 Palmetto Ave
Fontana, CA 92335
(909) 357-9377
Distance: 4.4 mi
Gr: PK-K | 81 students
Daycare / Preschool
855 E Hospitality Lane
San Bernardino, CA 92408
(909) 889-0700
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
Merle S. Casey Elementary School
(Math: 17% | Reading: 19%)
Rank:
Rank:
2/
Bottom 50%10
219 North Eucalyptus Ave.
Rialto, CA 92376
(909) 820-7904
Rialto, CA 92376
(909) 820-7904
0.5 miles
Gr: K-5 | 563 students Student-Teacher Ratio: 23:1 Minority enrollment: 98%
Lida M. Henry Elementary School
(Math: 20-24% | Reading: 32%)
Rank:
Rank:
4/
Bottom 50%10
470 East Etiwanda Ave.
Rialto, CA 92376
(909) 820-7909
Rialto, CA 92376
(909) 820-7909
0.6 miles
Gr: K-5 | 391 students Student-Teacher Ratio: 23:1 Minority enrollment: 99%
Rialto High School
(Math: 16% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
595 South Eucalyptus Ave.
Rialto, CA 92376
(909) 421-7500
Rialto, CA 92376
(909) 421-7500
0.6 miles
Gr: 9-12 | 2,623 students Student-Teacher Ratio: 23:1 Minority enrollment: 99%
Levi Bemis Elementary School
(Math: 20% | Reading: 20%)
Rank:
Rank:
2/
Bottom 50%10
774 East Etiwanda Ave.
Rialto, CA 92376
(909) 820-7916
Rialto, CA 92376
(909) 820-7916
0.8 miles
Gr: K-5 | 566 students Student-Teacher Ratio: 23:1 Minority enrollment: 97%
J. Calvin Boyd Elementary School
(Math: 9% | Reading: 25%)
Rank:
Rank:
1/
Bottom 50%10
310 East Merrill St.
Rialto, CA 92376
(909) 820-7929
Rialto, CA 92376
(909) 820-7929
0.9 miles
Gr: K-5 | 569 students Student-Teacher Ratio: 25:1 Minority enrollment: 98%
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Did You Know?
The average private school tuition in San Bernardino County, CA is $13,723 for elementary schools and $14,717 for high schools (read more about average private school tuition across the country).
The average acceptance rate in San Bernardino County, CA is 88% (read more about average acceptance rates across the country).
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