Still Thins are not as bad as they were 6 years ago, when there was a queue/waiting for 2/3 years. Better to arrive 1st and start the admission process. If successful call your family immediately otherwise wait for the strat of the new academic year. Below is the list of International schools

https://www.expatwoman.com/qatar/education/school-fees-in-qatar

https://www.international-schools-database.com/in/doha

http://www.expat-quotes.com/guides/qatar/education/international-schools...

https://www.qatarliving.com/education-0/wiki/primary-secondary-schools