The Announcement Room is a room in Akademi High School.
As of the November 15, 2015 Build, the room is located on the third floor in the western wing. As of the December 18th, 2017 Build, the room has a single office chair and desk, with a laptop on it at the back of the room. As of the December 19th, 2017 Build, the laptop will only appear if the security system is installed at school.
As of the March 31st, 2016 Build, a hiding spot that consists of a box and tables can be found in the hallway outside the room.
At the January 20th, 2017 Build, there is a long desk, two tables with chairs, a blackboard and a recording booth with a table and four chairs.
In a video the room had several computers on desks, various other pieces of technology and office supplies are around. Five office chairs are situated at the desks. It also had a 'mini room' that included more desks.
Currently the only purpose of the Announcement Room is to be a security room. The room will provide Yandere-chan the ability to disable or delete evidence from the security system that is installed when she kills a Student Council member.
In the future, it will be more difficult to disable or delete security footage.