Complex sentence: Despite racial prejudices and negativity towards Japanese Americans, Tsukamoto was encouraged by Principal Isabell Jackson to pursue a a career in teaching and became one of the first Japanese-American educators, joining the Elk Grove Unified School District.
Split into simpler sentences: Despite racial prejudices and negativity towards Japanese Americans, Tsukamoto was encouraged by Principal Isabell Jackson to pursue a teaching career. She became one of the first Japanese-American educators, joining the Elk Grove Unified School District.