Our reporter Hannah Thomas has been meeting students at Mountain Ash Comprehensive School.
They have been sharing their results with us and telling us their plans for the future.
More top news
The companies employ around 48,000 workers, with Tata owning UK plants including Port Talbot in South Wales, which employs 4,000.
Rain will edge in to western parts later with some heavy bursts possible.
Dogs Trust is calling on Welsh Assembly members to join its campaign against puppy smuggling.