St. Catherine of Siena School in Rialto, California is a Preschool through Eighth
Grade Parish School. We are located just south of Foothill Blvd on Sycamore Ave
behind St. Catherine of Siena Church.  

Phone: (909) 875-7821        FAX:  (909) 875-7948

Our Office hours are:      
7:30 a.m. to 4:00 p.m.
                       7:30 a.m. to 2:00 p.m. Minimum Day

Our School hours are:   8:00 a.m. to 3:00 p.m. Monday - Friday K-8
                      7:00 a.m. to 5:00 p.m. Monday - Friday Preschool
                      8:00 a.m. to 12:00 p.m. Minimum Day Schedule  
The Office of Catholic Schools has a Facebook
page.  On this page you can stay up to date with
what is happening at our school and all the others
throughout the Diocese of San Bernardino.  
Please show your support and "Like" the Office of
Catholic Schools at
St. Catherine of Siena School
"Active Catholic Christians, Life-Long Learners, Leaders, Persons of Global
Awareness & Responsible Citizens"

335 N Sycamore Ave
Rialto, CA 92376