Mr. Jahn was using MapsMadeEasy app to plot overlay flights to make orthographic maps. Mr. Jahn has background in civil engineering and land surveying, so I could use the technical apps. Now DroneBlocks makes it easy for the kids to do the programming. These articles were written in the Fall/Winter 2015 before Mr. Jahn found DroneBlocks. DB is what I wanted for the drones since Hour of Code.
http://hse21shorts.com/2015/12/15/native-grasslands-part-1-what-a-class/
http://hse21shorts.com/2015/12/17/native-grasslands-part-2-can-drones-deepen-learning/