Nope! As per the official website there are no such mentions about any app. Although JAI PUBLIC SCHOOL JHUNJHUNU have a website.

For the website you can copy paste the link below on your browser:

https://jaipublicschooljjn.org/

If you want to contact the school authorities then you contact through the details provided below:

• Tel:01592-231015,9116630401
• Email: jai.school@yahoo.com

I hope this answer helps. All the very best for your future endeavors!