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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Org. that opposes school vouchers 3 letters:

NEA: Org. opposing school vouchers
NEA: Org. that opposes school vouchers
NEA: Org. opposed to school vouchers
NEA: Org. opposed to private school vouchers