Complex sentence: Varela was built as an overcrowding relief school for G. Holmes Braddock High School and Miami Sunset High School; construction began in 1998 but due to delays during construction (mainly concerning funding and local area politics) the school's opening was pushed back several times.
Split into simpler sentences: Varela was built as an overcrowding relief school for G. Holmes Braddock High School and Miami Sunset High School. Construction began in 1998 but due to delays during construction (mainly concerning funding and local area politics) the school's opening was pushed back several times.