She later worked as a high school English teacher. He later worked as a junior high school science teacher. She planned to become a high school English teacher. Cecilia is a former school teacher and principal. Mendel worked as a substitute high school teacher. Her father was a special education teacher and a headmaster. It featured teachers discussing the difficulty of firing a tenured teacher. Sreenivasan is married to Vimala, a school teacher (retired). He married Misako, a kindergarten teacher. Williamson is married to Joanne, a former primary school teacher. She is one of the favorite students of her teacher, Sikowitz. Relations between teacher and student were stormy but affectionate. The tools were developed with a mathematics teacher and her students. She trained as a Montessori teacher. The number of students per teacher was about 11.