Gabriel Dropout is an underrated 2017 anime that deserves an English dub, the characters along with the animation is what makes Gabriel Dropout such an underrated masterpiece. The writing also helps out too as many people would consider the humor to be very funny. 

We believe that Funimation would be able to do a fantastic job at dubbing Gabriel Dropout since they have very good voice actors/actresses for the job.

If 2017 animes like Dragon Maid or KonoSuba can get an English dub, then I believe that Gabriel Dropout should get one too from Funimation as well.