Mexico  will end the school year more than a month early, the country's education minister has announced, as it prepares to host the World Cup amid a scorching heat wave. Education Secretary Mario Delgado made the announcement in a social media post on Thursday, prompting a wave of criticism amid fears about the impact on education and concerns from parents who will need to find alternative childcare. On Friday, President Claudia Sheinbaum appeared to backtrack, saying the schedule was merely a proposal. But Delgado doubled down during an event in the northern state of Sonora. "We're going to end the school year on June 5 because many states are already experiencing high temperatures, and there's also the issue of the World Cup," the French AFP news agency quoted him as saying.…