As a parent, I can understand the fears and concerns
1. we should find out what our children want and try and encourage them. As a kid everyone wants to become a doctor, army officer, super police officer; if the same desire persists in the child and as parents you can support it, then go all out and put them in extra coaching classes.
2. do some background checks on the team conducting these classes. are they reliable, is the locality good, are the teachers credible
3.speak to parents and children who are already in such coaching groups. Sometimes speaking to the support staff can give us much needed information
4. even if its a little expensive, zoom down on one of the reasonably well known brands. Once you've selected one then go with your son or daughter of a few days to get a feel of what the center is really like
5.once you enroll your child, it doesn't end there. you need to focus on the transport, hours spent in the center, access to privacy for washrooms and infrastructure.
6.form a a contact group of parents what's up or sms and keep track of the progress and the problems if any faced at the unit.
7. encourage your child to be your friend and share anything that happens out of the ordinary at the unit.
8. Lastly trust your intuitions as a parent and observe whether your child is happy at these classes or is he or she suffering silently.