The Japan High School Baseball Federation held a steering committee meeting for the 85th Spring Koshien (Senbatsu) in Osaka today decided to open the tournament up to four additional schools for a total thirty-six.
Regular Slots: thirty schools (+2)
Twenty-first Century Slots: four schools (+1)
Special 85th Anniversary Slot: one school (new)
Jingu Tournament Slot: one school
The regular slot will feature one school from Hokkaido, two from Tohoku, six from Kanto/Tokyo, two from Hokushinetsu, three from Tokai, six from Kinki, three from Chugoku, three from Shikoku, and four from Kyushu.
Selection rules for the Twenty-first Century and Special 85th Anniversary slots will be decided during another steering committee meeting in September.
Source: Nikkan Sports 7/4/2012