Complex sentence: Johnson was educated at Newcastle-under-Lyme School, an independent school in the market town of Newcastle-under-Lyme in Staffordshire, followed by the University of Birmingham and the University of California, Berkeley.
Split into simpler sentences: Johnson was educated at Newcastle-under-Lyme School, an independent school in the market town of Newcastle-under-Lyme in Staffordshire. He attended the University of Birmingham and the University of California, Berkeley.