Complex sentence: After 29 years the school made a new campus in 1930 that opened 1931 after 62 years the school moved to a new campus in 1993, along the foothills of Frenchman Mountain.
Split into simpler sentences: After 29 years the school made a new campus in 1930 that opened in 1931. Then, after 62 years the school moved to a new campus in 1993, along the foothills of Frenchman Mountain.