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  
Cougar Chronicles

Cronicas Cougar
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
"Faith, Excellence, Challenge, and Innovation"

335 N Sycamore Ave
Rialto, CA 92376
St. Catherine of Siena School is now enrolling for the 2018-19 school year.

See admissions page for more information.