MOBILE, Alabama – The preschoolers at St. Ignatius Catholic School held the annual Order of Impalas Mardi Gras parade on Feb. 8. The event has been a tradition at the Spring Hill school since 1984.Each of the six classes had a different theme: “When I grow up I will be…,” “Fairytales and Superheroes,” “Circus,” “Nursery Rhymes,” “Disney” and “Animals.”