A TALENTED swimmer is one step closer to her Olympic dream after winning a scholarship at a top US university. Christa Wilson, who will be heading to Grand Canyon University in Arizona, is the second star athlete from Ripon Grammar School to be snapped up by a top American institution. Earlier this month it was revealed that Mena Scatchard, one of the fastest young middle-distance runners in the UK, won a funded place at Princeton University. Christa, 17, is ranked in Britain’s top four for the 200m butterfly and will be studying chemistry at the Arizona university which is renowned for its exceptional sports teams.