Assertion: school's room | /r/AtLocation | large lecture halls
Facets:
Source sentences:
text: As interest in a graded system of instruction developed in this period, urban school districts hired ushers to assist master teachers; students recited lessons to these assistants in separate rooms attached to large lecture halls.
text: As interest in a graded system of instruction developed in this period, urban school districts hired ushers to assist master teachers; students recited lessons to these assistants in separate rooms attached to large lecture halls.