The teenager hit the headlines last weekend when it was revealed he was the father of two girls, born to his 17-year-old girlfriend two weeks ago.
Manchester City Council said it had already started collecting evidence for a possible court case when the news broke that the Spurley Hey high school pupil had become the country's youngest father of twins. He was 13 when they were born.
A spokeswoman said: "Any child who had attended the school for a period of time would have benefited from its strong sex education policy, and been able to make informed decisions."
The boy's parents could be fined up to pound;1,000. The Government, currently consulting on proposals to cut truancy, wants to increase this to up to pound;5,000.
Trevor Phillips, 15