the Rancho Campus

of St. Mary's Montessori


Welcome to the Rancho Cucamonga Campus

Since our opening in this beautiful city, we have been blessed to see our students grow and thrive. For years, our families have entrusted us with their children, which motivates us to continue to strive in being the best Montessori school in Rancho Cucamonga.


Nice to Meet You!


School Details


6880 N. Victoria Windrows Loop
Rancho Cucamonga, CA 91730


contact information

Phone: 1-909-200-2727


Rancho Cucamonga Licensing Number
Infant/Toddler : 364842076   |   Primary : 364841885