Get the setup package of Моя школа 3.3.5 that is provided for free and take a look at users' reviews on Droid Informer. The app is built for Android 4.0 and above. This application is totally safe to download. MidiGame is the official developer of the tool that can be found in the Educational category.
Моя школа has been downloaded and set up by over 5K users and the latest update was released on Mar 11, 2018. The app has been rated 3.6 on Google Play.