[2] She attended the local girls' boarding school in the city of Pune, which conducted classes in three languages: Marathi, Sanskrit and English.

She retired from this position with the desire to return and contribute to her community, and from 1922 to 1950, she served as the principal of the Bene Israel High School in Mumbai, where about 600 students studied.

The school changed its name in the early 1920s, and was renamed after the Jewish philanthropist Sir Elly Kadoorie, after in a meeting between him and Reuben in London.

[7] Reuben has authored a series of English language textbooks called Ashok which have been very successful in India and have been used in schools across the Maharashtra state .

It was initiated by the publication of monthly educational called Nofet (Hebrew: נופת meaning innocence) for Jewish children, and during 1917–1920, edited the Bene Israel Year Book.

In 1947, she visited Eretz Israel on a mission from the Mumbai Zionist Association and represented Indian Jews at the first international conference "Hebrew Education in the Diaspora" held that year in Jerusalem.