By Guy Taylor A Shropshire private school that has boasted it would not pass on Labour’s planned VAT hike to fee-paying parents is being propped up by Chinese investors, City A.M. can reveal. Adcote School, an independent school for girls, courted controversy in April for funding a motorway billboard saying “VAT? What VAT?” to advertise its decision that it will absorb the cost of the VAT hike if introduced. But amid concerns that Labour’s policy, which was confirmed in Wednesday’s Kings Speech, could result in an exodus of students to the state sector, questions are swirling about how the ins…