Complex sentence: In 1878, she was the first woman to matriculate at the University of Otago; passed the first section of her B.A. in 1882; and the second in 1884.
Split into simpler sentences: In 1878, she became the first woman to matriculate at the University of Otago. She passed the first section of her B.A. in 1882 and the second in 1884.