The first volume of the shounen manga
Baka to Test to Shoukanjuu will be released on December 26th, 2009. The manga is serialized in the shounen manga magazine
Shounen Ace.
==========
A second shounen/seinen manga adaptation started serialization in the male oriented web comic magazine
Famitsu Comic Clear on October 30th, 2009, the manga is titled:
バカとテストと召喚獣 SPINOUT! それが僕らの日常。
Baka to Test to Shoukanjuu SPINOUT! Sore ga Bokura no Nichijou.
The manga is drawn by namo.
The first chapter of the shounen/seinen web manga can be read on its Famitsu Comic Clear's page:
http://www.famitsu.com/comic_clear/se_bakatest/