Dixie has said there will be NO highrise anything there. Unless/until Dixie lets folks know something, what comes next is just speculation or gossip.
Island Academy is all grown up and leaving home for a new adventure. They are moving everything, two buildings have left already today, the white one and the green one. Simon Backley
Here's some photos (below) from the Ambergris Today.
The Island Academy is moving to Mahogany Bay Village. LITERALLY! Moving Day. Today their green building is off its foundation and being prepped to be barged to its new home!!! https://www.facebook.com/ambergristoday/posts/4666558813389492
The Island Academy is moving to Mahogany Bay Village south of San Pedro Town. This afternoon, the first of its three buildings was transported on a barge to the school’s new location.
San Pedro Sun