On the far left is the rear of 106 Franklin St. Across the street is 101 Franklin St. To the right, behind the tree, is the south side of the school.

In 1903, there was an initiative in town to broaden educational efforts by engaging school students in maintaining gardens. For the Sewall School, a Mr. Kelly, a local landowner, allowed the use of several of his empty housing lots that were directly across Franklin St. from the school. Each student in grades one through four was given a small plot to manage.
[ref. The Brookline Chronicle, November 7, 1903]
incl. Streets

[Courtesy of the Digital Commonwealth (CC BY-NC-ND). From the Brookline Photograph Collection published by the Public Library of Brookline]