Parents in Dapchi, in Yobe state, told AFP had they set up a support group after Monday's raid, which has revived memories of the 2014 abduction of more than 200 girls in Chibok.
"Our first step was to compile a comprehensive list of all the missing girls. So far, we have compiled the names of 105," said Bashir Manzo, the chairman of the newly created group.
Heavily armed jihadists stormed the boarding school in the remote town, forcing terrified students to flee into the surrounding bush.
Hopes were raised on Wednesday evening, when the spokesman for Yobe state governor Ibrahim Gaidam confirmed the abduction and said "some" of the girls had been rescued.
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But Gaidam on Thursday questioned whether there had been an abduction, while his spokesman apologised and said they had been "misled" for publishing inaccurate information.
Manzo, whose 16-year-old daughter, Fatima, is among the missing, said the schoolgirls' mothers and fathers would seek a meeting with Gaidam.
"We believe he was misinformed. The school authorities from the beginning denied and kept denying that our daughters were taken," he added.