Contact Us St. Mary School is located in inland North San Diego County, near the San Diego Wild Animal Park. Escondido is approximately 35 miles north of San Diego and 20 miles from our beautiful California coastline. Mount Palomar is northeast of the city and the Anza-Borrego State Desert is less than two hours to the east. Address and Telephone Number St. Mary School 130 East 13th AvenueEscondido, CA, 92025(760)-743-3431office@stmesc.org Office Hours 8:00am-2:50pmMondays, Tuesdays, Thursdays, and Fridays 8:45am-11:50pmWednesdays and Early Dismissal Days For questions, please e-mail the appropriate contact: General Information: office@stmesc.org Applications, Registration & Tuition: lhuelskamp@stmesc.org Map and Directions