Preschool Age Ranges Preschool 3: ages 3 – 4 Preschool 1: ages 3 1/2 – 4 1/2 Preschool 2: ages 3 1/2 – 4 1/2 20 children per classroom Classroom Schedules: Preschool 1 Room (PDF) Preschool 2 Room (PDF) Preschool 3 Room (PDF)