Tuesday’s attack, which saw 16 injured, took place at the Ahmet Koyuncu Vocational and Technical Anatolian High School in Siverek district.
The attacker, who was an ex-student in his late teens, fired “indiscriminately with a shotgun” before killing himself with the weapon, local governor Hasan Şildak said.
Justice Minister Gürlek said 95 individuals had been taken into custody following government concerns over online behaviour following the attacks.
They have been accused of sharing footage relating to the attack despite a broadcast ban, sharing content that could create fear among the public, praising crime and criminals while encouraging the commission of offences, and publicly circulating misleading misinformation aimed at discrediting official statements.
Restrictions have also been imposed on 1,104 social media accounts, Gürlek said.
Another 67 people have been taken into custody after being accused of sharing posts indicating that attacks would be carried out at other schools.
