After months of discussion, the District 233 school board decided it would review its 20-plus year practice of approving field trips. In the mean time, the board decided to continue its standard practice of voting on Homewood-Flossmoor High School out-of-state trips. Superintendent Von Mansfield told the board at its Committee of the Whole meeting on Jan. 29, that he thought the policy had been in place since the early 1990s. He said the reason for the vote wasn’t the cost. “It’s not the money. The money is allocated and . . .