Complex sentence: From 1821 to 1826 she attended a school run by the Miss Byerlys at Barford House, and after that Avonbank inStratford-on-Avon where she received a traditional education in arts, the classics, decorum and propriety given to young ladies at the time.
Split into simpler sentences: From 1821 to 1826 she attended a school run by the miss Byerlys at Barford House, later moved to Avonbank, Stratford-on-Avon. Here she received the traditional education in arts, the classics, decorum and propriety given to young ladies at the time.