The education watchdog Estyn says nearly a quarter of the secondary schools inspected last year were judged as 'unsatisfactory' - the lowest grade.
Its report, published today, warns school standards are not improving as they should be.
Responding to the Estyn Chief Inspector's Annual Report, the largest teachers' union in Wales said:
It is regrettable that, once again, the Chief Inspector has used the Annual Report to pander to Welsh Government policies and initiatives and apportion blame for any lack of impact on the profession.
This report will do nothing to restore Estyn's credibility with teachers.
Teaching union ATL Cymru has called on the Welsh Government to improve professional development for teachers and school leaders.
Responding to the annual report from education watchdog Estyn, Dr Philip Dixon, Director or ATL Cymru, says "too much seems at a standstill and some sectors are going backwards. However there are definite signs of hope."
It would easy to become despondent reading the Chief Inspector's Report of progress made in the last year.
Too much seems at a standstill and some sectors are going backwards. However, as one reads deeper, there are definite signs of hope.
There is some excellent, innovative practice being developed and most schools which have been revisited by Estyn are showing improvement.
It's also heartening to read that some schools are reducing the effects of poverty quite considerably.
The report highlights the absolute crucial importance of good quality professional development for staff and leaders.
The Welsh Government should take heed and prioritise that need.
The Chief Inspector's observation about the lack of attention given to pupil's views on what and how they learn is a timely reminder that children and young people are at the heart of the system, and that must never be forgotten by anyone involved in education.
The Welsh Government has insisted "we are making progress" on improving school standards.
The annual report from education watchdog Estyn, published today, warns that "standards of education in Wales have not improved in the main."
The Welsh Government admits "building an excellent education system will take time."
We welcome the Chief Inspector’s comprehensive report and thank Estyn for their work.
We’ve been honest and up-front about the challenges facing our education system and it’s clear from this report that we must continue to work together to improve key areas such as teaching, assessment and literacy and numeracy.
Building an excellent education system, which is the ambition of everyone in the sector, will take time but we are not complacent and we are making progress.
We know there is a lot of good practice across Wales and, as last year’s GCSE results showed, we are closing the gap with England when it comes to performance.
We are determined to put the right policies and initiatives in place to create an education system that truly delivers for our young people.
We will now consider the report and will respond formally in the plenary in March.
Estyn's Chief Inspector has said the watchdog is "very concerned" about the standards in Wales' secondary schools.
Ann Keane admitted: "I had hoped to see better signs of improvement across the board."
23 per cent of the secondary schools inspected in the last year were judged as 'unsatisfactory', up from 14 per cent the previous year.
She told our reporter Tom Sheldrick that the common problems in those schools were weaknesses in leadership, policies on marking and absenteeism not being applied consistently, and not enough being done to help particular groups, such as children from deprived backgrounds.
Nearly a quarter of secondary schools inspected by Wales' education watchdog in the last year were judged 'unsatisfactory.'
The proportion ranked in the lowest category by Estyn is now 23 per cent, a jump from 14 per cent the previous year.
Estyn's has published its annual report today, and warns "standards of education in Wales have not improved in the main. The pace of improvement needs to accelerate and leaders in schools need to keep pace with the best, both inside and outside Wales."
Last December, Wales fell further behind in the so-called 'PISA' worldwide assessment of pupils' maths, reading and science skills.
Estyn has highlighted problems with the quality of teaching, assessment, literacy and numeracy, and leadership within schools.
It said special and independent schools continue to perform well, while the majority of primary schools are good or better.
However, the watchdog will be returning to 70 per cent of secondary schools next year for follow-up inspections, due to worrying standards in particularly areas, or across the whole school.
Headteachers in Wales have been told they're not doing enough to deal with the impact poverty has in the classroom. It remains one of the main factors in poor education performance.
Now, the schools inspectorate says more needs to be done to help children from poorer backgrounds. Tom Sheldrick reports now on the struggle to close that gap.
Jassa Scott, from school inspectorate Estyn, told ITV News that although there are examples of good practice in schools across Wales, many are still not making tackling poverty a priority.
Estyn recommends that schools and local councils develop a common approach and work with other agencies to engage disadvantaged families more in school life.Among the report's other recommendations for schools are:
- adopting clear systems for working with outside agencies to support disadvantaged learners
- identifying a senior member of staff to co-ordinate work with external services and agencies
- making sure staff know how to raise the achievement of disadvantaged learners.
Schools in Wales need to do more to tackle poverty, according to a report from school inspectors Estyn.
The report says that although many schools are aware of the importance of improving stands and wellbeing of disadvantaged pupils, addressing poverty is still not a high enough priority for schools across Wales.