Sahil is now with family in Pakistan and with Pakistani police, ACC Thompson added.
BBC: Kidnapped Oldham boy Sahil Saeed found safe in Pakistan
She also said Sahil had never been apart from either herself or her husband.
The school's director, Abdul Shakoor, witnessed the moment when Sahil was reunited with an uncle.
Punjab police said Sahil was well, playing with toys, smiling and in an "OK state of mind".
Police told a news conference Sahil's family had been phoned with instructions about where to find him.
Sahil had been placed on official watch lists to ensure he cannot be taken out of the country.
Sahil was found 20 miles away from Jhelum, near a village school in the town of Dinga in the Gujrat district, local police said.
BBC: Kidnapped Oldham boy Sahil Saeed found safe in Pakistan
On Saturday, Sahil's mother Akila Naqqas pleaded for his safe return, saying she would forgive his son's captors if they released him.
The BBC spoke to a man who lives close to the school and claims to have been the first to spot Sahil.
Police said that Sahil had also spoken by phone to his father.
Mr Malik had previously said someone "very close to the family" had taken Sahil and that police were closing in on the kidnappers.
George Sherriff, a spokesman for the British High Commission in Islamabad, said it was "continually monitoring the situation" and was in touch with Sahil's family.
What headline did Sahil Kapur of TPM give this story?
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Sahil Lavingia was a freshman at the University of Southern California in 2010 when he got an email from Ben Silbermann, chief executive and co-founder of the fast-growing online scrapbook Pinterest.
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When he saw that Sahil Lavingia, founder of Gumroad and a founding member of the team at Pinterest, had office hours during SXSW in Austin, he seized the opportunity to meet.
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The BBC's Orla Guerin, in Pakistan, says that a week after Sahil's disappearance it remains unclear whether there has been contact with the kidnappers of if negotiations were taking place over a ransom payment.
"He saw Sahil and he was so glad, weeping, and then he just bore down to the earth and prostrated and thanked Allah that he had seen Sahil, " he told BBC Radio 4's PM programme.
In the three bedroom apartment from which founder Sahil Baghla and his team run the business, they stock only 20 different items, half of which are different color t-shirts that get sent to the printer as the orders arrive.
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