Despite some gains in student achievement, Las Vegas has been named the worst city in the nation for education, according to two rankings released this week. Parenting Magazine came out with a list of the top 10 worst cities for education in America in 2012. Topping that list is Las Vegas, which was dinged for its schools’ high pupil-to-teacher ratio and a lower-than-average per-pupil funding. The magazine, which has a circulation of more than 2 million readers, cited the recession as a cause for Las Vegas’ low education ranking. The Clark County School District was recently downgraded by two Wall...