They also go to the prom together, and it's swell.
"It was important to me but it was also important that it was part of the story – nobody cares, let's see how their relationship goes," creator and executive producer Patrick Ness told BuzzFeed News at a panel for the show.
There is, for example, the no-nonsense way Charlie says he likes guys, and in particular Matteusz.
There's not a big storyline about the stresses of coming out like we've seen many times before in shows aimed at teenagers. They just get together.
BBC Three - Class, Series 1, The Coach with the Dragon Tattoo, The Coach with the Dragon Tattoo - The Coach with the Dragon Tattoo
A dreadful new monster threatens the school, and the gang must unite to fight against it.
BBC Three - Class, Series 1, For Tonight We Might Die, For Tonight We Might Die - For Tonight We Might Die…
When monsters invade Coal Hill, four students form an unlikely alliance to defeat them.