You can also see the HPISD school map here: http://www.hpisd.org/Portals/0/docs/business/hpisd_map.pdf
If you need some help finding a rental in the Highland Park School District, I would be glad to help you. I can set you up on a search that alerts you with the most updated listings that fit your criteria. It can save you a lot of time searching online, especially if you are looking for specific criteria such as the school district. Let me know if this would be helpful for you.
RE/MAX About Dallas