Do any expats in Singapore send their children to local schools?

I do know of a few students in my (local) school whom are from expat families. All local schools prepare students of sufficient academic ability for Cambrige certification. However in local schools, there may be a restriction on subject combination, as certain subjects may not be offered in a school or that the school deems that only those whom have shown high ability (example scoring above 65% for Additional Mathematics for entry exam) are eligible to take certain subjects, since local schools are ranked by their O level and A level results. Also, there is a requirement to take a Mother Tongue subject, which a foreign student can apply for exemption subject to ministry approval.