CEDAR FALLS — Three Cedar Valley high schools were among the top 25% nationally in a U.S. News & World Report ranking released Tuesday.The 2023 Best High Schools placed Cedar Falls, Denver and Hudson in the top 10% for the state of Iowa, as well as being the first, second, and third in the metro area, respectively.Rankings by the media company include 313 public high schools in Iowa and nearly 18,000 across the country. They measure college readiness, reading and math proficiency and performance, under-served student performance, college curriculum breadth, and graduation rates.