The student is a 14-year-old at the Memorial School in the Vineland School District.
The student's mother contacted police after she found the photos Thursday.
When interviewed by police, the student told detectives that he and the aide, Lauren Breslin, 23, had a "relationship" for the last month and that she had kissed him several times during school hours. He also said that Breslin had sent him photos from her cellular phone and called him on the phone after school.
Breslin was arrested and jailed early Friday morning on account of Endangering the Welfare of a Child. Her phone was confiscated and will be examined for evidence after a search warrant is approved.
The Vineland Board of Education says Breslin had been working as an aide since mid-October.
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