(JTA) A brand-new, $50 million campus. A month in Israel every year. And a program to help students turn their social-service ideas into fully fledged nonprofits.These are just some of the perks offered by the Jewish Leadership Academy, a new Jewish day school in Miami that aims to merge traditional Jewish learning with the trappings of the nation’s most elite private schools.The new school plans to open in 2023 with middle school and high school grades of up to 45 students each, and will initially accept applications for 6th, 7th, 9th and 10th grades. Unusually for a Jewish day school,...