May 6, 2017 by Kyra Gurney  kgurney@miamiherald.com   It’s hard to imagine that Dayme Delgado ever struggled in school. When the 18-year-old graduated from Mater Academy Charter High School last week, she had a 5.2 GPA and two associate degrees. In a few months, Dayme will head to the Massachusetts Institute of Technology, where she…