Runaway teacher Jeremy Forrest is due back in the UK after going on the run with his pupil, sources said.
The 30-year-old married amateur musician, from Ringmer, East Sussex, is understood to be at a French airport awaiting a flight.
More top news
Kate will join Prince William on a tour of the Stephen Lawrence Centre before visiting a charity working with disadvantaged young people.
There is an "urgent need" for a "simpler and more trusted" system for investigating clinical failures, according to a damning report.
Over 100 mothers and fathers were investigated for leaving their children unsupervised in the final three months of 2014, new figures find.