'Tougher' GCSEs and A-levels revealed
9 April 2014 Last updated at 13:58 BST
The government has announced plans for more rigorous GCSEs and A-levels in England.
From 2015 tougher GCSEs in English and maths will be introduced into classrooms, along with more challenging A-levels.
The content of GCSEs in other subjects is being overhauled from 2016.
The BBC's education correspondent Luke Walton reports.