"Over the past decade, schools in northern Nigeria have become frequent targets for armed groups, who often carry out abductions to seek ransom payments or leverage deals with the government.Over the past decade, schools in northern Nigeria have become frequent targets for armed groups, who often carry out abductions to seek ransom payments or leverage deals with the government."
Now, let's add the bit that the BBC missed out.
Now, why are the BBC ignoring the ISLAMIC elephant in the room?
These are religiously motivated attacks on Christians.
the Fulani terrorists aka 'Bandits' abduct 25 school girls, killing the vice principal in a deadly attack on kebbi State School in Nigeria.
Fulani terrorists. Between October 2019 and September 2024, these militias were responsible for 47% of all civilian killings in Nigeria, amounting to 36,056 deaths, which exceeds the combined toll of Boko Haram and the Islamic State West Africa Province (ISWAP). The violence is characterized by systematic attacks on Christian farming communities, often conducted at night, involving mass killings, abductions, and the burning of homes and churches.

BBC News
GGCSS Maga: Gunmen kidnap 25 girls from Nigerian school in Kebbi state
The army is called in to help the police search nearby forests and rescue the kidnapped girls.