Answer based on context:

508,000 in the region are at state secondary schools - the highest in England, with 101,000 at Kent, the highest in England for a county and completely selective, then 70,000 in Hampshire, 60,000 in Surrey, 45,000 in West Sussex, 36,000 in Oxfordshire, 35,000 in Buckinghamsire. The lowest is 6,000 at Bracknell Forest, then Reading with about 6,000. Of all regions, the South-East has the greatest percentage that attend a grammar school - 12%; the next highest it the South-West - 6%. The most-educated people (National Qualifications Framework level 4 or above) in the region live in Elmbridge (51%), then Waverley, and Epsom and Ewell; 33% of people are at this level for the South-East, only second to London at 40%.

How many of the students at state secondary schools do not go to Kent?
407000