[2] Student Transportation of America was founded in 1997 by Denis J. Gallagher, who is the chairman and CEO of the company.

[2] With roots that can be traced to New Jersey's Coast Cities Bus Service established in 1922 by Gallagher's grandfather, STA successfully completed an initial public offering and its income participating securities (IPS) began trading on the Toronto Stock Exchange in December 2004.

[3] Student Transportation has grown considerably through its "A‑B‑C-D" (Acquisition, Bid, Conversion, and Direct-to-Parent) growth strategy.

In 2018, Student Transportation was sold to Caisse de dépôt et placement du Québec and Ullico.

PWT's Transit and Motorcoach operations were divested to Keolis in 2024.