Complex sentence: When she goes sober her IQ skyrockets which led to her gaining the highest score on the GED test ever in the state of California; unfortunately this also leaves her irritable and violent to the point where giving her more pot becomes the only option.
Split into simpler sentences: When she goes sober her IQ skyrockets; this led to her gaining the highest score ever on the GED test in the state of California. Unfortunately, this also leaves her irritable and violent, to the point where giving her more pot becomes the only option.