The official website for the Dies Irae anime has posted that the series will have 12 episodes and 6 online episodes. the series will be streamed on Crunchyroll and Funimation will be doing the dubbing. The link to the website can be found here.
The official twitter account for the Gakuen Babysitters anime posted that the anime will premier in January 2018. The link to the website for the anime can be found here.