The school is located on Leslie Street, just north of Elgin Mills Road.

At this time, secondary school classes were restricted to the first and second floors.

Richmond Green had an enrolment of approximately 331 Grade 9 and 10 students and over 30 staff in its inaugural school year.

In its second year, the number of students increased to 500 as Grade 11 courses were added.

In May 2009, Richmond Green had approximately 1000 students, with new students arriving regularly due to new housing developments in Richmond Hill and Markham.