The East Side Hebrew Institute was a traditional Jewish day school

Jewish day school

A Jewish day school is a modern Jewish educational institution that is designed to provide Jewish children with both a Jewish and a secular education in one school on a full time basis, hence its name of "day school" meaning a school that the students attend for an entire day and not on a part time...

, in the Lower East Side

Lower East Side

The Lower East Side, LES, is a neighborhood in the southeastern part of the New York City borough of Manhattan. It is roughly bounded by Allen Street, East Houston Street, Essex Street, Canal Street, Eldridge Street, East Broadway, and Grand Street....

 of Manhattan

Manhattan

Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...

, in New York City. It was "once one of the major institutions of the Jewish East Side".
The East Side Hebrew Institute (or as it was called: ESHI) was founded in 1910 by a group of immigrants from the town of Zhitomir in Russia. Mr. David R. Zaslowsky was its first principal and founder. The school spent the bulk of its years, 1928–1974, in a large red brick building at the corner of 8th Street and Avenue B (295 East 8th Street).
At first, ESHI was a Talmud Torah

Talmud Torah

Talmud Torah schools were created in the Jewish world, both Ashkenazic and Sephardic, as a form of public primary school for boys of modest backgrounds, where they were given an elementary education in Hebrew, the Scriptures , and the Talmud...

.