LePort Montessori School - Irvine San Marino campus offers Montessori Preschool/Kindergarten in a beautiful, nurturing environment. Accepting children 18 months to 6 years for open enrollment. Additional programs include Mommy & Me and Summer Camp. We offer more than daycare for toddlers and preschoolers with an authentic Montessori school, led by trained Montessori teachers. Life skills, social development, and reading, writing and arithmetic starting in preschool.