Horizon Montessori School offers classes for children 18 months to six years old. Toddler classes have about seven children in each, and run from September to June. Parents with children three to six years old can enroll their students in the September to June program or the year-round class that is held Monday through Friday, 7:30 am - 6 pm. In addition, Horizon plans an extended day class specifically for 5-year-olds. Summer classes are also available to all students.