Hi
I have read your requirement and i am sure I can help you in this as we have done many similar work in past.
We are IT company deals in App and Web development, App and Web designing, backend, SEO/SMM cloud services, and enterprise solutions.
We have knowledge of Xcode IDE(Objective-C), Swift, Eclipse IDE, React Native, Unity 3d, Android SDK, ADT Plugin, Java Programming, JSON, XML, flutter, Utility APIs, MySQL and SQL server database, super level UI design and much more.
Please revert me i will surely able to help you in this school App and web,