Peter Ooi has a Bachelor of Science (University of N.S.W) and Diploma of Education. His teaching experience includes:
- Over 40 years teaching all levels of mathematics to Ext. 2 HSC, in high schools.
- Over 35 years experience as a tutor.
- 13 years as a Senior Maths teacher and Computer Coordinator at Randwick Boys High School.
- 17 years as a Senior Maths teacher and Computer Coordinator at South Sydney High School.
- Founder of "Advanced Mathematical Publications" Trial HSC Examination Papers.
- Former HSC marker.