What is the international school of boston? The International School of Boston (ISB) is an independent, non-profit, age 2 - grade 12 multilingual school. With a mix of local and international student body and faculty, ISB is one of the oldest, most respected bilingual schools in the United States.
INTENSIVE ENGLISH. The Intensive English Program is designed for students seeking to dramatically improve their English in a short time frame. Our ESL classes run 20 hours a week, 4 hours a day for 12 weeks. ESL CULTURAL EXPOSURE. At ISAL, you will discover the cultural side of Boston while improving your language skills. TUTORING.