So, in true AISD fashion, they set their working GIS data for the attendance zone options to public. If you know what to search for, you can find them.
I don't know if these are what were considered or if one of these options was chosen. However, the last modified date is pretty recent.
Option 3 is the nuclear option. Half of Northwest Hills will drive past Anderson to go to Navarro along with all of Allandale and most of Crestview. It looks like LBJ, Northeast, and Eastside all get the axe.
Current: https://www.arcgis.com/apps/mapviewer/index.html?webmap=185958ef39cb4c15a016b9231ba17b8c
Option 1: https://www.arcgis.com/apps/mapviewer/index.html?webmap=57e9c5655b4645859b3bd01c51f62e41
Option 2: https://www.arcgis.com/apps/mapviewer/index.html?webmap=85c7eab9962d4056a5540d5e5a5d79cb
Option 3: https://www.arcgis.com/apps/mapviewer/index.html?webmap=fe1cda4a5af24afabefc0369689d040a
EDIT: these maps are of the verticals. If you click on a boundary polygon, the pop up will tell you which elementary and middle schools will track to the high school in that option scenario.