Secondary Teacher – Mathematics

Trinity Grammar School · Summer Hill, NSW

Employment

Full time, Permanent

Subject

Mathematics

Sector

Independent

Teaching level

Secondary

Salary range

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Closing date

26 October 2026

12 days remaining

Posted 13 Oct 2026

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About Trinity Grammar School

Year range

K-12

School staff (FTE)

401.4

254.7 teaching · 146.7 non-teaching

Students per teacher

9:1

teaching FTE basis

Total enrolments

2,296

Language other than English

61%

Socio-educational background

Well above the Australian average

More disadvantage Average More advantage

Source: ACARA My School data

Role description

Term 1 2027 Commencement

Trinity Grammar School is one of Australia’s leading independent boys’ schools, renowned for academic excellence, character formation and educational innovation. Through a strong commitment to learning, pastoral care, sport and co-curricular participation, Trinity seeks to develop every boy in mind, body and spirit.

Due to growth of student enrolments, we are seeking an outstanding and enthusiastic Mathematics Teacher to join our highly regarded Mathematics Faculty. This position involves teaching across Stages 4-6 (Years 7-12) and is ideally suited to educators who are passionate about developing mathematical understanding, curiosity and confidence in students at every stage of their learning journey.

The successful candidate will demonstrate the ability to engage and inspire students across a broad range of abilities, from building strong mathematical foundations in the middle years through to supporting students undertaking advanced senior studies. Experience teaching Stage 6 Mathematics will be highly regarded, as will the capacity to contribute to acceleration, extension and enrichment opportunities within the Faculty.

While Trinity delivers both the NSW Higher School Certificate and the International Baccalaureate Diploma Programme, experience with the IB is not essential. We welcome applications from exceptional teachers who are committed to professional growth and collaborative practice within a dynamic and academically rigorous environment.

About the Faculty

Our Mathematics Faculty is a large, collaborative and high-performing team of educators d…

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