The Irregular at Magic High School: Nine Schools Competition Arc

Mahouka Koukou no Rettousei: Kyuukousen-hen
魔法科高校の劣等生 九校戦編
A Magic Senior High School's Low-Ranked Student: The Details of the Nine Schools' Matches
A Poorly Performing Student of a Magic High School: Nine Schools' Competition Compilation
Mahōka Kōkō no Rettōsei: Kyūkōsen-hen
Mahouka Koukou no Rettousei - Kyuukousen Hen
Mahouka Koukou no Rettousei - Kyuukousen-hen
Mahouka Koukou no Rettousei - Nine Schools Competition
The Irregular at a Magic High School: A Record of the Nine Schools' Competition
The Irregular at Magic High School: Nine School Competition Arc
The Irregular of a Magic High School: The Story of the Nine Schools' Tournament
The Poor Performing Student of a Magic High School: The Volume of the Nine Schools' Battle
魔法科高校的劣等生:九校戰篇

Prequel

manga
2011
Publishers:
"Magic" is a product of neither legends nor fairy tales. It has become a technology of reality for nearly a century. Various countries in the world are locked in a race in nurturing "Magicians." Shiba Tatsuya is an honors student without magic capability at First High School, a magic high school along with his sister who happens to the top student among the freshmen. What will happen to him, and how will he live his school life where he is one of the many reserves in the school looked down upon by the chosen magical students? (Source: jCafe24)

Sequel

manga
2016
Publishers:
Natsuyasumi-hen follows a variety of characters over their summer break between the Nine School Competition Arc and the Yokohama Disturbance Arc.

Adaptation

novel
2011
Publishers:
The year is 2095. Magic has been tamed as another form of technology, and the practice of magic is now a rigorous discipline. Brother and sister Tatsuya and Miyuki Shiba are just about to start their first year at the renowned First Magic High School of Japan. But the school's ironclad rules mean that the brilliant Miyuki enters the prestigious Course 1, while her older brother, Tatsuya, is relegated to Course 2--and that's just the beginning of their troubles! (Source: Yen Press)