Yes, she taught poor children.
Mother Teresa was never married and had no children.
The Sisters of Charity
Mother Teresa
She strove to teach poor children of literate and basic hygiene. She helped the poor, the ill and the ill families. Mother Theresa expressed her Christian values by feeding the poor and giving them medical aid and was led by God.
Mother Teresa
Mother Teresa looked after the poor.
Mother Teresa considered Jesus as her husband. She promise not to get marry or have any children. She was a nun in Catholic Church. She helped poorest of the poor of India. She spent her whole life by helping homeless, diseased, poor people, children and some are adults.
In 1948, Mother Teresa left the Sisters of Loretto and started a school in the slums to teach the children of the poor.
When she joined the Sisters of Loreto they sent her to India to teach in their schools in that country.
Yes, Mother Teresa worked with the poorest of the poor and her Missionaries of Charity continue that work today.
Mother Teresa worked with the poor, homeless, and sick; she did not found cities.
She never had one. She was only dedicated to children, the poor, the ill / sick / disabled, and the elderly.