Preschool Summer Camp The San Marino Preschool Summer Camp is for children ages 1 1/2 – 5 years. We provide a creative and enriching environment for young children to enjoy the summer in the company of friends old and new. The program is designed for weekly attendance for children ages 3-5 years old and monthly attendance for children 1 1/2 years old. Camps run for 10 weeks starting from the second week of June to the third week of August. For our current rates, daily schedule, and weekly themes please browse our Summer Camp Brochure.