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  
Summer Hours are:  Monday - Thursday, 8 am - 1 pm
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
Football Mania 2017 is here!
Click here to purchase online
A Big THANK YOU!! to all of our volunteers who
worked the Fireworks Booth this year.  We really
appreciate you!