Thanks for the guidelines and suggestions. If i apply for student visa which state takes international students easily. As the spousal sponsorship is getting harder, wife doesnt want to leave canada and cant leave as she has applied for PR. However kids want to reunite. Is there any organisation working in ontario that helps with such cases? Or any law that helps in reunification of father and kids?
Study permits are approved by IRCC which is the federal government, not by individual provinces. Given your wife has sponsored you for PR, the chances of getting a study permit approved are likely very very low.
Once your children are adults and working, there may be an option for them to sponsor you. Until then, you need to qualify for PR on your own.
If you want assistance with the process, you and your wife can pay for the services of an immigration lawyer or consultant to help you.