Mahōka Kōkō no Rettōsei: Nankai Sōjō-hen

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)

Mahouka Koukou no Rettousei Shizoku Kaigi-hen (魔法科高校の劣等生 入学編) is the manga adaption of the 'Master Clans Conference Arc' from the 17th to the 19th light novels.

A terrorist bombing strikes the Ten Master Clans Conference. In order to investigate the incident, Ichijou Masaki, the eldest son of the Ichijou family, one of the Ten Master Clans, known as the Crimson Prince, temporarily transfers from Third High School to First High School. This also means becoming classmates with the goddess he admires, Shiba Miyuki. The arc follows volume 19 of the light novel.

Mahouka Koukou no Rettousei: Douran no Joshou-hen (魔法科高校の劣等生 動乱の序章編) is the manga adaption of the 'Prologue of Disturbance Arc' from the 21th to the 22th light novels.