The guard has been charging strangers N5,000 to set them up with students for sexual encounters.
The undercover investigation conducted by The Cable revealed that an unnamed security guard employed by the school authorities has been charging strangers N5,000 to set them up with students from the school.
During his meeting with the undercover reporters, the security guard boasted about how he can hook girls up with men who were looking for "a nice time" most usually at Bani Guest House, a popular lodge along the Langtang highway.
Despite that the only students available during the time of the investigation were SS3 girls who were writing their final exams, the guard said that it was "no big deal" to make the arrangement as long as they were willing to pay.
He boasted, "I am giving you outgoing students. There are some writing exams, it's just to get a clue to know them and ask if they can do this for me. There are girls who do 'runs' but the issue is money.
"You'll discuss how much you'll give them. All those girls are small girls and they don't know money much. If you treat them well, they will look for you if you're still around."
After he was paid N5,000 to make the arrangement, the guard went around the school in search of the schoolgirls he could use to satisfy his clients' needs.
He later put a call through to them to inform them that two girls had agreed and would meet with them later that day after their exams.
However, the girls failed to show up. As the guard later explained, this was due to the fact that they finished their paper late and couldn't sneak out because they had another paper the next morning.
This led to the termination of the arrangement by the reporters who later spoke to one of the students in the class who told them that the guard's activities is well known, even possibly to the school authorities.
She said, "He used to be a kitchen staff. He impregnated one of the girls in the hostel, you know the hostel is close to the kitchen, and I think as a punishment, he was moved from the kitchen to the gate."
An official of Langtang's Old Girls' Association also told The Cable that there were previous allegations of a male teacher who was doing a similar thing with the schoolgirls.
She said, "The pimp, we were told, wasn't even a security guard but one of the male teachers. We have tried to investigate but we couldn't find anything. We confronted the former principal - who is now retired - with this and she said there was no such thing going on.
"There was a specific teacher allegedly doing this with SS3 girls but no one could give his name or any useful information in getting to the root of the matter.
"We even got a girl whom we were told knew this pimp, and when we called her, she denied knowing a thing. So, we had to disregard the rumour, because if you tell us something is happening, you should be able to give us the needed information to work with.
"If we had a name at least, we could have done something covertly with some of the old girls who now teach at the college, and our Jos chapter could have showed up in the school unannounced."
One of the graduating girls also revealed to reporters that members of staff also make sexual advances towards schoolgirls, often asking them out on dates or to offices in the dead of the night.
She said, "One teacher used to call girls to his office in the night, but I don't know what he used to do with them. One of the girls told us that when she went to his office, he only asked her out, and that when it's weekend she would follow him to his house."
She also mentioned that the head of the school's ICT department took advantage of lessons to inappropriately touch the girls sexually.
The Ministry of Education, which directly supervises federal government colleges, denied knowledge of the allegations of pimping at Langtang and asked the reporters to provide substantial proof.