The school is part of the Inspired Education Group, founded in 2013 by Lebanese-British businessman Nadim Nsouli and headquartered in London.

Sports played at St. John's include Football (Soccer), Volleyball, Cross Country, Swimming, Basketball, Rugby, Track and Field, Baseball, Softball and Golf.

The scored a first place in the event, making it the school's second ISST win for anything in under a year.

In 2007, the Varsity Girls squad won the Division II Football ISSTs in Vienna, beating Cairo American College 4-1 in the final.

In 2013 the Varsity Girls squad came in third place for Division I Football ISSTs in London, beating TASIS 3-0.

On November 13, 2010, the Varsity Boys football team won the ISSTs for the first time.