Complex sentence: She taught in the district for 26 years, proving to be faculty member with a passion for education, and retired in the mid- 1970s She then devoted herself to working with schools by bringing students of all ethnicities together.
Split into simpler sentences: She taught in the district for 26 years, proving to be faculty member with a passion for education. After retiring in the mid- 1970s, she continued to devote herself to working with schools by bringing students of all ethnicities together.