Spin-off of Baka to Test to Shoukanjuu that has been serialized on Famitsu Comic Clear website since 2010. These specials are included in the Baka to Test Ni! BD/DVD releases.
Anix is the best site to watch Baka & Test - Summon the Beasts: Spinout! Specials SUB online, or you can even watch Baka & Test - Summon the Beasts: Spinout! Specials DUB in HD quality. You can also find Silver Link. anime on Anix website.