In 2021, a majority in the Danish Parliament decided to introduce a parents income criteria into the admission model for gymnasiums. This means that today, each gymnasium has three quotas (high income, middle income, low income) and they need to be equilibrated. So if your child is middle-income, but the nearest gymnasium is already full with children from that background, then the next closest one will be considered.
…and many other initiatives which you can read about in this post that we made on social media. If you want to take a deeper dive into the 58 pages, check out the official document here.