Por si algún profe quiere investigar sobre estas 70 apps y ver si le son de utlidad. Yo uso algunas // The 70 Best Apps For Teachers And Students - Edudemic. These are listed as itunes apps, but I'm sure a lot of them can be found for Android as well.
Teacher's Survival Kit (Gift Idea), from Serenity Now, I like this for the beginning of school. As a gift to the teacher to introduce your child and I know this will make him/her stand out from the crowd
Nameless papers drive me crzay! Easy and adorable. No Name board. Clip papers that don't have names on them to the board and have students go check there instead of spending your time trying to figure out who they belong to!