Zhè suǒ xuéxiào yóu gōngbàn zhuǎnwéi mínbàn yǐjīng shí nián le.
It has been ten years since this school went from state-run to private.
Tips
usage
Its fixed opposite is 民办, privately run. 公立 is close, but that word stresses public status while this one stresses who set the place up and who pays for it. It sits in front of a noun, as in 公办学校 or 公办幼儿园, and is not used as a predicate.