Tribune editorial: Utah’s charter school system needs to stop encouraging longshots

In the last two weeks, we have seen the high and the low of Utah charter schools.The high came April 30, when U.S. News & World Report issued its annual report on the best high schools in each state. The top three in Utah — and six of the top 10 — were charter schools.The low came Thursday when one of the largest charters — American International School of Utah — announced it is closing in August after years of financial difficulties. More than 1,300 AISU students hav