The schools inspectorate Estyn says the quality of local authority education services for children and young people in Monmouthshire and Merthyr Tydfil is "unsafisfactory".
It is recommending both should be taken into special measures.
The reports say the councils have not done enough to work out where they need to improve, and how best to help poor performing schools.
More top news
Two brothers from Cardiff are campaigning for their cousin's murder to be re-investigated 76 years after she died.
The historic Llangollen chain bridge, which is thought to be the 'oldest in the world' will re-open today after 30 years of disuse.
Wales have confirmed that 19-year-old uncapped Newport Gwent Dragons centre Tyler Morgan will be part of their World Cup training squad.