Tedeschi was born in Gosford to Mark Tedeschi QC, Senior Crown Prosecutor for New South Wales and photographer and Vivienne Tedeschi, the daughter of a Polish Holocaust survivor, Lucy Gershwin. He grew up on the North Shore of Sydney and attended Beaumont Road Public School in West Killara and St Andrew's Cathedral School in Sydney where the headmaster discouraged him from taking part in sports lest he damage his hands.
- "Of Genius and Geekdom" by Kelly Burke, The Sydney Morning Herald, 18 September 1999, via doorman.com.au
- "The Face: Mark Tedeschi" by Rosemary Neill, The Australian, 22 March 2008
- "The Pianist and the Holocaust Survivor", Australian Jewish News, 18 August 2006 Archived 17 September 2008 at the Wayback Machine.
- "Member Profile – Simon Tedeschi", advance.org
- "Pianist Simon Tedeschi visits his old school Beaumont Road Public School in Killara" by Danielle Nicastri, North Shore Times, 29 June 2014
- "Old Andrean: Simon Tedeschi" by Melanie Pennington, Inspired (St Andrews' school paper), 2014, pp. 6–7
- Past winners, ABC Symphony Australia Young Performers Awards
- Official home page
- "Simon Tedeschi: hearing a different beat" by Sharon Verghis, The Australian, 3 July 2010
- "Piano star Simon Tedeschi shares the keys to his success in school holiday show" by Chris Hook, The Daily Telegraph, 20 September 2014
- Simon Tedeschi at the Internet Movie Database
- on YouTube his transcription of Danny Elfman's theme for The Simpsons