His avuncular tone failed to entirely blunt the gist of his message: Our graduate students pay us to come on digs.
We're the home to the world's best colleges and universities, where more students come to study than any place on Earth.
Most of our KPS students come through Head Start and go on to Four Year Old Kindergarten, or 4K, which helps prepare them for school.
Some 120, 000 foreign students come to the U.S. on J-1 visas every year.
Mr Cameron said there was no limit on the number of Indian students that could come to British universities, as long as they had an English language qualification and a place to study.
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The disaggregation of data can have extraordinary effects on students and I have seen great programs that have come from leveraging this information.
You know, the big test is if they start testing students on these ideas in state assessment tests and that would come even longer down the line.
Another topic that was heavily discussed was about the effectiveness of the age restrictions on Facebook, with some students saying that they have come across many users under the age of 13 online.
On 3 April, once the errors had come to light, Schools Minister Jim Knight said that the increase in students staying on was "clearly related to the current economic climate".
At the same time it is so rewarding to see these global plans come to fruition and witness first-hand the impact it is having on students and alumni.
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We should be supporting university students who come to Britain and invest in Britain, but we should also be having tougher action on illegal immigration.
The figures come on the same day the Chief Inspector of Borders John Vine warned that thousands of overseas students may have been allowed to stay in Britain illegally because UK Border Agency staff failed to check out tip-offs about them - a backlog of 153, 000 had built up at one point, he said.
Staff at Lola Ya Bonobo say that some 40, 000 people come through its doors each year, including tourists and local schoolchildren, as well as graduate students conducting research on everything from bonobo behaviour to the evolution of the human brain.
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