School District 4

School District 4 (第四学区) is a school district found in Academy City. It is bordered by School District 3 and 14 to the north, School District 19 to the east, School District 6 to the southeast, School District 5 to the southwest, and School District 1 and 16 to the west.

The district's primary focus is food related facilities.

Principles
As stated, the district's primary focus is food related facilities. Dishes from all over the world are found in the school district. It is an area lined with many restaurants even for Academy City.

Battle Royale Arc
The Professor contacts SCHOOL's Kakine Teitoku and introduces himself and his destructive nanodevice called "Mimosa". Although the Professor is supposed to kill off Kakine using the Mimosa, Kakine manages to escape unscathed.

Kamisato Rescue Arc
During stage 3 of the 48 Hours to Restore Order, as Useful Spider were deploying the Breath of Blessing in multiple areas, Machina conquered Bee Hoon Street and brought down the giant fan before they could lift it up into the air.

Toaru Kagaku no Accelerator
A trio of high school students; Takada Youko, Nakahara Hiromi and Kidera Minori, broke into the Atmospheric Continuum Mechanics Research Facility and stole the secret weapon that was being developed, intending to use it against Accelerator and steal a sample of his genetic information to sell. Anti-Skills were called to the scene but the trio made their getaway by cutting through the floor and escaping through the underground.