The Web map which feeds the application is here:https://dallasgis.maps.arcgis.com/home/item.html?id=86191151036d4ef099372f8dda9fd4bf. The data is static data, it is not getting update frequently.
This layer contains public schools (Pre-K through 12) in Maryland. Saved as a content item for use in several of the Environmental Empowerment Project maps.