Tom and Katie Cruise's doll-like daughter Suri is to be trained in Scientology after her third birthday this week.

The Cruises are sending their daughter five days a week to the Church of Scientology's $8,000-a-year New Village Academy in Los Angeles, launched last year by Tom's friend, fellow actor Will Smith.

It is staffed by trained Scientologists and lists 'study technology' as a key curricular focus.

'The children have a lot of responsibilities from a very young age,' says a source. 'The school is particularly strict about nutrition, demanding a low-carb, low-sodium and low-sugar organic diet.

Katie, 30, has herself only just come to the end of her punishing Purification Rundown diet, apparently as a prelude to having a second child.