Tens of thousands of teenagers became the first to receive the results of tougher GCSE exams in English and Maths today.
For the first time they were awarded number grades instead of letters.
It's all part of reforms designed to raise standards.
Overall, passes dipped slightly - but for many pupils there was plenty to celebrate, as Christine Alsford reports.
It is the first year in England that traditional grades have been replaced by numbers, with all subjects being scored like that by 2020.
The reforms are the biggest shake-up of the exam system for a generation. Here's what's changed.